A kind of cutter head assembly with balancing loop
Technical field
The present invention relates to machine tooling technical fields, more particularly, to a kind of cutter head assembly with balancing loop.
Background technique
Ultrasonic machining is to make the tool of small amplitude motion using supersonic frequency, and be free in liquid between workpiece by it
Abrasive material the knocking of surface to be machined is acted on, the special process for being crushed workpiece material surface gradually.Ordinary ultrasonic is processed
By liquid medium converted products, belong to the special process, application range is small, is not used in the wider machining of range, grinding
In processing, and structure is complicated for ultrasonic machine tool, at high price.Therefore, rotation Ultrasonic machining and tool rotation combination got up
Turn Ultrasonic machining mode gradually to have been more and more widely used.
Patent CN106181595A discloses a kind of concretion abrasive ultrasonic machining device and method, belongs to hard brittle material and adds
Work field, can carry out the face grinding of special-shaped hole machined peace, and the concretion abrasive ultrasonic machining device includes the feeding of XY axis
Device, work nest, main shaft column, concretion abrasive tool, Z axis servo feeding apparatus and ultrasonic wave generating system, the ultrasonic wave
For generator using ultrasonic constant-current supply, the ultrasound constant-current supply includes the electric current and voltage for acquiring ultrasonic transducer both ends
Acquisition unit and the equivalent impedance for calculating Ultrasonic machining system processing unit, the processing unit is by the equivalent of calculating
Impedance be compared with impedance settings after to the feed speed of concretion abrasive tool and/or the output electric current of supersonic generator
It is adjusted.Although above-mentioned concretion abrasive ultrasonic machining device machining accuracy is higher, inefficient, it cannot achieve guarantee and add
Rapid processing in the case where work precision.Patent TWM372763U discloses a kind of ultrasonic activation formula cutter mould group, first coil
It is fixed on fixed ontology.Sound wave generator is electrically connected to first coil.Rotating body is rotatably mounted to fixed ontology.Second
Coil is fixed on rotating body.Two first contacts are fixed on rotating body and are electrically connected to the second coil.Hilt ontology is removable
It is installed on rotating body with unloading.Two second contacts are fixed on hilt ontology, and are respectively electrically connected to two first contacts.Pressure stabilizing
Circuit board is set on hilt ontology, and there are two input terminals to be electrically connected to two second contacts, to stablize the second coil in rotation
When the input voltage that generates and export output voltages in two output ends.First piezoelectric patches and the second piezoelectric patches are respectively electrically connected to
Two output ends are vibrated with common generation.Expanding bar is fixed on hilt ontology, to give expanding, above-mentioned ultrasonic wave vibration to vibration
Dynamic formula cutter mould group machining accuracy is to be improved, and the material and processing efficiency being capable of processing are limited.Patent KR20150101628A
The device for disclosing a free profile cutting high hardness material utilizes ultrasonic wave for cutting hard material, comprising: cutting
Cutter cuts hard material and diamond lap with supersonic generator, using ultrasonic wave from supersonic generator and
It is main to make from stainless steel;One abrasive jet applies abrasive material, and the particle hard material including fine diamond cuts hard material;
And cutting tool pilot instrument, hard material is cut in vertical direction for applied force cutting tool.The device cuts one kind
Hard material can be applied using ultrasonic wave, be applied to intelligent electricity for handling hard material such as sapphire and reinforcing glass
Words etc., however the device processing efficiency of above-mentioned free profile cutting high hardness material is not high, cannot achieve and guarantees machining accuracy
In the case of rapid processing.
Existing ultrasonic knife handle structure, due to the phenomenon that will appear rotation imbalance when main shaft drives knife handle rotation, such as
After this is easy to cause cutterhead to connect with knife handle, the circular runout of cutterhead and end face run-out are big, influence machining accuracy, while also influencing
The service life of knife handle.
Based on this, the present invention provides a kind of cutter head assemblies with balancing loop to solve above-mentioned technical problem.
Summary of the invention
The purpose of the present invention is to provide a kind of cutter head assemblies with balancing loop, to solve in the prior art due to main shaft
There are rotation imbalances in rotary course, poor so as to cause machining accuracy, knife handle service life short technical problem.
Based on above-mentioned purpose, the present invention provides a kind of cutter head assembly with balancing loop, including it is ultrasonic wave knife handle, dynamic flat
Weigh ring and cutterhead;
The ultrasonic wave knife handle includes handle ontology, radio transceiver device and ultrasonic transducer;
For the first end of the handle ontology for connecting with machine tool chief axis, second end offers installation cavity;The ultrasonic wave
Energy converter include amplitude transformer and be arranged in the amplitude transformer first end piezoelectric vibrator, the second end of the amplitude transformer with it is described
Cutterhead connection;The first end of the amplitude transformer has assembly flange, and the amplitude transformer passes through the assembly flange and the handle sheet
The second end of body connects;The piezoelectric vibrator is located in the installation cavity body, the piezoelectric vibrator and the radio transceiver
Device connection;First step is provided on the assembly flange;It is arranged between the first end and second end of the handle ontology useful
In the positioning convex platform for positioning the radio transceiver device;
The balancing loop is set on the position that the handle ontology is connect with the amplitude transformer, and passes through the First
Rank positioning;
The cutterhead includes discoid cutterhead portion and annular grinding part;The side disk and the annular in the cutterhead portion
The first end of grinding part is affixed, and the second end of the annular grinding part is grinding end;The other side disk in the cutterhead portion is arranged
There is knife handle connecting hole;The cutterhead portion, the annular grinding part and the knife handle interconnecting piece are arranged concentrically;The annular grinding
The grinding surface in portion offers multiple chip spaces, and multiple chip spaces run through inside and outside the annular grinding part;It is multiple
The two sides cell wall of the chip space is respectively formed cutting face.
Optionally, the above-mentioned cutter head assembly with balancing loop, the balancing loop include ring body, and the ring body has inside
Face and lateral surface;Be provided in the ring body it is multiple with repeated hole, it is described with repeated hole by the lateral surface along the ring body
It extends radially through to the medial surface.
Optionally, the above-mentioned cutter head assembly with balancing loop, further includes regulating device;
The regulating device is installed on described in repeated hole.
Optionally, the above-mentioned cutter head assembly with balancing loop, it is described that there is internal screw thread with repeated hole.
Optionally, the above-mentioned cutter head assembly with balancing loop, the regulating device are the first column, first column
Body has external screw thread;
The external screw thread is used for and the screw-internal thread fit.
Optionally, the above-mentioned cutter head assembly with balancing loop, it is described with being provided with card slot in repeated hole;
The regulating device is column, is provided with Elastic buckle on the outer surface of the column;
The Elastic buckle is used to cooperate with the card slot.
Optionally, the above-mentioned cutter head assembly with balancing loop, the regulating device are the first column, first column
Body has external screw thread;
The external screw thread is used for and the screw-internal thread fit.
Optionally, the above-mentioned cutter head assembly with balancing loop, the extending direction of the cell wall of the chip space and the chip removal
There are angles in the groove depth direction of slot.
Optionally, the end face of the above-mentioned cutter head assembly with balancing loop, the grinding end of the annular grinding part is cambered surface.
Optionally, the above-mentioned cutter head assembly with balancing loop, the annular grinding part are additionally provided with test surfaces, the test
The central axis upright in face and the annular grinding part, for testing end face run-out and the circularity bounce of annular grinding part.
Optionally, the outer diameter of the above-mentioned cutter head assembly with balancing loop, the annular grinding part is greater than the cutterhead portion
The first end of outer diameter, the annular grinding part does not form the test surfaces by the end face that the cutterhead portion covers.
Cutter head assembly provided by the invention with balancing loop, including ultrasonic wave knife handle, balancing loop and cutterhead;Handle ontology
First end for being connect with machine tool chief axis, second end offers installation cavity;Ultrasonic transducer includes amplitude transformer and setting
It is connect in the second end of the piezoelectric vibrator of the first end of amplitude transformer, amplitude transformer with cutterhead;The first end of amplitude transformer has assembling method
Orchid, amplitude transformer are connect by assembly flange with the second end of handle ontology;Piezoelectric vibrator is located in installation cavity body, piezoelectric vibrator and nothing
Line transmits reception device connection;First step is provided on assembly flange;It is provided between the first end and second end of handle ontology
For positioning the positioning convex platform of radio transceiver device;Balancing loop is set on the position that handle ontology is connect with amplitude transformer,
And it is positioned by first step;Cutterhead includes discoid cutterhead portion and annular grinding part;The side disk and annular in cutterhead portion
The first end of grinding part is affixed, and the second end of annular grinding part is grinding end;The other side disk in cutterhead portion is provided with knife handle company
Connect hole;Cutterhead portion, annular grinding part and knife handle interconnecting piece are arranged concentrically;The grinding surface of annular grinding part offers multiple chip removals
Slot, multiple chip spaces run through inside and outside annular grinding part;The two sides cell wall of multiple chip spaces is respectively formed cutting face.This hair
The cutter head assembly with balancing loop of bright offer has been arranged balancing loop on ultrasonic wave knife handle, so that connecting with ultrasonic wave knife handle
Cutterhead under the drive of machine tool chief axis have better dynamic property, to ensure that the cutterhead connecting with ultrasonic wave knife handle
Machining accuracy is provided with chip space on cutterhead, waste material can be discharged in time, avoiding waste material from being covered in workpieces processing again influences
Machining accuracy.
Based on this, the present invention has the advantages that dynamic property is good, machining accuracy is high compared with original technology.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first ultrasonic wave knife handle of the cutter head assembly provided in an embodiment of the present invention with balancing loop and other cutterheads
The structural schematic diagram of component connection;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is second of ultrasonic wave knife handle of the cutter head assembly provided in an embodiment of the present invention with balancing loop and other cutterheads
The structural schematic diagram of component connection;
Fig. 4 is the cross-sectional view of Fig. 3;
Fig. 5 is the structural schematic diagram of balancing loop in the cutter head assembly provided in an embodiment of the present invention with balancing loop;
Fig. 6 is the structural representation at the first visual angle of cutterhead in the cutter head assembly provided in an embodiment of the present invention with balancing loop
Figure;
Fig. 7 is the structural representation at the second visual angle of cutterhead in the cutter head assembly provided in an embodiment of the present invention with balancing loop
Figure;
Fig. 8 is the cross-sectional view of cutterhead in the cutter head assembly provided in an embodiment of the present invention with balancing loop.
Icon: 100- balancing loop;101- ring body;1011- medial surface;1012- lateral surface;102- matches repeated hole;200- handle
Ontology;The first end of 201- handle ontology;The second end of 202- handle ontology;203- first step;204- positioning convex platform;300- is wireless
Transmit reception device;400- cutterhead;401- cutterhead portion;402- annular grinding part;403- knife handle connecting hole;404- chip space;
405- test surfaces;500- amplitude transformer.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
Fig. 1 is the first ultrasonic wave knife handle of the cutter head assembly provided in an embodiment of the present invention with balancing loop and other cutterheads
The structural schematic diagram of component connection;Fig. 2 is the cross-sectional view of Fig. 1.
It is described with balancing loop as shown in Figure 1, provide a kind of cutter head assembly with balancing loop in the present embodiment
Cutter head assembly includes ultrasonic wave knife handle, balancing loop 100 and cutterhead 400;
The ultrasonic wave knife handle includes handle ontology 200, radio transceiver device 300 and ultrasonic transducer;
For the first end 201 of the handle ontology 200 for connecting with machine tool chief axis, second end 202 offers installation cavity;Institute
State the piezoelectric vibrator that ultrasonic transducer includes amplitude transformer 500 with the first end 201 that the amplitude transformer 500 is arranged in, the change
The second end 202 of width bar 500 is connect with the cutterhead 400;The first end 201 of the amplitude transformer 500 has assembly flange, described
Amplitude transformer 500 is connect by the assembly flange with the second end 202 of the handle ontology 200;The piezoelectric vibrator is located at described
In installation cavity body, the piezoelectric vibrator is connect with the radio transceiver device 300;First is provided on the assembly flange
Step 203;It is provided between the first end 201 and second end 202 of the handle ontology 200 for positioning the radio transceiver
The positioning convex platform 204 of device 300;
The balancing loop 100 is set on the position that the handle ontology 200 is connect with the amplitude transformer 500, and is passed through
The first step 203 positions;
The cutterhead 400 includes discoid cutterhead portion 401 and annular grinding part 402;One side panel in the cutterhead portion 401
The first end 201 in face and the annular grinding part 402 is affixed, and the second end 202 of the annular grinding part 402 is grinding end;Institute
The other side disk for stating cutterhead portion 401 is provided with knife handle connecting hole 403;The cutterhead portion 401, annular 402 and of grinding part
The knife handle interconnecting piece is arranged concentrically;The grinding surface of the annular grinding part 402 offers multiple chip spaces, multiple rows
Bits slot runs through inside and outside the annular grinding part 402;The two sides cell wall of multiple chip spaces is respectively formed cutting face.
Specifically, above-mentioned ultrasonic wave knife handle, handle ontology 200 is for playing connecting machine tool main shaft, installation ultrasonic transducer
The effect of equal components, the wireless transmission emitter being used cooperatively with radio transceiver device 300 is by ultrasonic-frequency power supply generator
The high-frequency electrical energy signal of generation is transmitted on radio transceiver device 300 by way of wireless transmission, radio transceiver
Device 300 receives the signal that wireless transmission emitter issues and passes to the signals revivification sensed at high-frequency electrical energy signal
Electrical signal of the frequency is converted to high frequency machinery using the piezoelectricity back wash effect of piezoelectric vibrator and shaken by ultrasonic transducer, ultrasonic transducer
It is dynamic, and mechanical oscillation are amplified by amplitude transformer 500 and are transferred to workpieces processing, and then traditional machine tool can be cooperated real
Existing Ultrasonic machining.Ultrasonic wave knife handle can be applied to traditional machine tool, in the case where not changing machine tool structure into
Row Ultrasonic machining, ultrasonic transducer are connect by the assembly flange of amplitude transformer 500 with handle ontology 200.In addition, the present embodiment will
Original gland and the assembly flange of amplitude transformer 500 are fabricated to an entirety, that is, form and be arranged on assembly flange edge
First step 203 simplifies overall structure, reinforces product structure intensity and further passes through first step 203 and handle ontology
Sealant is set on 200 positions connected, sealant can fill up the gap between 500 handle ontology 200 of amplitude transformer, energy
The structural strength of product is enough further strengthened, and forms waterproofing protection, is prevented from seeping water into destroying in the installation cavity body of handle ontology 200
The piezoelectric effect of piezoelectric vibrator, the ultrasonic knife handle structure intensity is preferable, and product amplitude transformer 500 after falling on the ground or colliding is not easy to incline
Tiltedly, gland is eliminated, structure is simply easily assembled, and is not easy to influence the circle bounce of amplitude transformer 500 and dynamic balancing, machining accuracy
Higher, service life is longer.
The outer wall of handle ontology 200 is equipped with positioning convex platform 204, and the positioning convex platform 204 connects for positioning to be wirelessly transferred
Receiving apparatus 300.By the way that positioning convex platform 204 is arranged on the outer wall of handle ontology 200, the position of positioning convex platform 204 can be according to design
Demand is pre-set, and when radio transceiver device 300 is mounted on ultrasonic wave cutter hub, positioning convex platform 204 can be played
The effect of positioning is installed, radio transceiver device 300 can be directly mounted at positioning convex platform 204, without adjusting repeatedly
Installation site, easy for installation, easy to operate, installation effectiveness is high.
In the present embodiment, 201 end diameter of first end of handle ontology 200,204 position of positioning convex platform handle ontology
The ratio of 202 end diameter of second end of 200 diameter and handle ontology 200 is 1:1:(0.6-0.8), 200 first end of handle ontology
The distance of 201 to positioning convex platform 204 is 1:1, the handle of the structure at a distance from 200 second end 202 of handle ontology to positioning convex platform 204
Ontology 200 can be used in connecting with the machine tool chief axis that connecting pin is relatively large in diameter, and be used cooperatively with the cutterhead 400 in the present embodiment,
With preferable dynamic equilibrium performance.
In above-mentioned 400 use process of cutterhead, when the grinding end of annular grinding part 402 has just contacted when flour milling, by cutting edge
Form buffering and roughing, make to be cut to flour milling sword cut in advance it is more smooth, then again by the grinding end of ring cutting part
Flour milling is treated to polish.So set, more smoothly when can making grinding, ground effect is good, can buffer cutting for workpiece
Collision is cut, product processing quality is improved.In cutting and grinding process, 404 one side of chip space plays the role of heat dissipation, another
Aspect plays the role of that grindstone dust is discharged, and the service life of grinding part is extended while ensureing grinding quality.
Balancing loop 100 is set on ultrasonic wave knife handle, is cooperated above-mentioned cutterhead 400 to use, be ensure that knife in process
The dynamic equilibrium of disk 400, improves machining accuracy.
Embodiment two
Fig. 3 is second of ultrasonic wave knife handle of the cutter head assembly provided in an embodiment of the present invention with balancing loop and other cutterheads
The structural schematic diagram of component connection;Fig. 4 is the cross-sectional view of Fig. 3.
The cutter head assembly with balancing loop provided in this embodiment is the cutter head assembly provided embodiment one
Further improvement, technical solution described in embodiment one also belongs to the embodiment, the technical side that embodiment one has been described
Case is not repeated to describe.
Specifically, in the present embodiment, 201 end diameter of first end of handle ontology 200,204 position of positioning convex platform handle
The ratio of 202 end diameter of second end of the diameter and handle ontology 200 of ontology 200 is (5-5.5): 4:2, handle ontology 200 first
The distance of end 201 to positioning convex platform 204 is than for 1.8-2.5 at a distance from 200 second end 202 to positioning convex platform 204 of handle ontology.
Knife handle structure in the present embodiment is suitable for connecting with the lesser machine tool chief axis of connecting pin diameter, with the cutterhead in the present embodiment
400 are used cooperatively, and have preferable dynamic equilibrium performance.
Embodiment three
Fig. 5 is the structural schematic diagram of balancing loop in the cutter head assembly provided in an embodiment of the present invention with balancing loop.
A kind of cutter head assembly with balancing loop provided applied to embodiment one or embodiment two is be provided
In balancing loop 100, balancing loop 100 described in the balancing loop 100 includes ring body 101, and the ring body 101 has medial surface
1011 and lateral surface 1012;Be provided in the ring body 101 it is multiple with repeated hole 102, it is described with repeated hole 102 by the lateral surface
1012 extending radially through to the medial surface 1011 along the ring body 101.
Specifically, ring body 101 is annular in shape, ring body 101 also has two opposite anchor rings, the axis of anchor ring and ring body 101
Line is vertical.And medial surface 1011 and lateral surface 1012 are parallel with the axis of ring body 101, and the diameter of ring body 101 is perpendicular to interior
Side 1011 and lateral surface 1012.In use, by the way that the handle ontology 200 of knife handle is passed through mounting hole, to realize balancing loop 100
Installation.It is round hole with repeated hole 102;Axis with repeated hole 102 passes through the ring heart of ring body 101.Run through medial surface with repeated hole 102
1011 and lateral surface 1012.After handle ontology 200 and cutterhead 400 are assembled to form one, then balancing loop 100 is installed on handle sheet
On body 200, then by, with mounting in repeated hole 102, adjusting knife handle, 400 and of cutterhead to realize in balancing loop 100
The spatial position for the whole center of gravity that balancing loop 100 is formed, maintains it on the rotation axis of knife handle, to be conducive to
The equilibrium state in rotation process is maintained, machining accuracy is improved, reduces the generation of mechanical breakdown.
Further, aperture and the outer diameter of ring body 101, the axial length of ring body 101 and ring body 101 with repeated hole 102
Ring width is linearly related, is calculated by experiment, when linear correlation, convenient for configuring corresponding regulating device, and is conducive to quickly
Adjustment.
Specifically, the aperture with repeated hole 102 meets following formula:
D=0.5L+0.02D+0.2W+0.1,
Wherein, d indicates the aperture for matching repeated hole 102, and D1 indicates that the outer diameter of ring body 101, D2 indicate the internal diameter of ring body 101, L table
Show that the axial length of ring body 101, W indicate the ring width of ring body 101.
The design of balancing loop 100 including the following steps:
(1) determine that the outer diameter D 1 of ring body 101, the outer diameter D 1 of ring body 101 are equal to 1.1~1.3 times of knife handle outer diameters;
(2) determine that the internal diameter D2 of ring body 101, the internal diameter D2 and knife handle crest clearance of ring body 101 cooperate, grade of tolerance H8
Or H10;
(3) the width W, 2W=D1-D2 of ring body 101 are determined;
(4) determine that the axial length L of ring body 101, the axial direction that the axial length of ring body 101 is equal to 0.10-0.13 knife handle are long
Degree;
(5) the aperture d, d=0.5L+0.02D+0.2W+0.1 for matching repeated hole 102 are determined.
By taking the quantity with repeated hole 102 is 30 as an example, using the method for adjustment 400 center of gravity of knife handle/cutterhead of balancing loop 100
Include the following steps:
(1) balancing loop 100 is sleeved on knife handle, and with knife handle clearance fit;
(2) jackscrew of 4 0.3g is installed on in repeated hole 102, installs one every an angle of 90 degrees, due to clearance fit,
Jackscrew withstands knife handle and also acts as the effect that balance ring is fixed on to knife handle;
(3) knife handle component/cutter head assembly center of gravity is tested using barycenter test instrument, enables the weighting position measured for the first time
It is set to the first weighting position, the weighting amount measured for the first time is the first weighting amount;
(4) the first weighting amount at position is laid particular stress on according to first measured, if first lays particular stress on 4 that position is installed in step 2
Some position in a jackscrew, then corresponding jackscrew here of dismantling, tests knife handle component/cutterhead using barycenter test instrument
The center of gravity of component, enabling second of weighting amount measured is the second weighting amount;It is combined according to the size of the second weighting amount is corresponding
The jackscrew of five kinds of weight specifications of installation or disassembly;
(5) the weighting amount at position is laid particular stress on according to first measured, if first lays particular stress on 4 that position is not installed in step 2
Any one of jackscrew position, then the top for laying particular stress on the opposite installation dimension at position first according to the first weighting amount
Silk;
(6) step 4, step 5 are repeated until knife handle component/cutter head assembly center of gravity and knife handle are axially coincident.
Example IV
Fig. 6 is the structural representation at the first visual angle of cutterhead in the cutter head assembly provided in an embodiment of the present invention with balancing loop
Figure;Fig. 7 is the structural schematic diagram at the second visual angle of cutterhead in the cutter head assembly provided in an embodiment of the present invention with balancing loop;Fig. 8
For the cross-sectional view of cutterhead in the cutter head assembly provided in an embodiment of the present invention with balancing loop.
A kind of cutter head assembly with balancing loop provided applied to embodiment one or embodiment two is be provided
Cutterhead 400.
In the technical solution for the cutterhead 400 that embodiment one or embodiment two provide, further, the slot of the chip space
There are certain angles in the groove depth direction of the extending direction of wall and the chip space.
Chip space is obliquely installed, is not vertical setting, cutting when, cutting face with it is at an acute angle to flour milling, can subtract
Slight drag, it is easier to cut.
In the above-mentioned technical solutions, further, the end face at the cutting face and the grinding end is electric sand face.
The end face surface in the cutting face and the grinding end is arranged to the electric sand face being made of diamond dust, can more be had
Effect it is ground.
In the above-mentioned technical solutions, further, the end face at the grinding end of the annular grinding part 402 is cambered surface.By ring
The end face setting at the grinding end of shape grinding part 402 is in cambered surface, can reduce frictional resistance, more efficient grinding.
In the above-mentioned technical solutions, further, the annular grinding part 402 is additionally provided with test surfaces 405, the test
The central axis upright in face 405 and the annular grinding part 402, for testing the end face run-out and circularity of annular grinding part 402
Bounce.
Test surfaces 405 are provided with, can pass through the testers such as phasing meter when annular grinding part 402 is ground and rotates
Device tests end face run-out and the circularity bounce of annular grinding part 402 on test surfaces 405, to facilitate adjusting computing ballance correction.
Further, the outer diameter of the annular grinding part 402 is greater than the outer diameter in the cutterhead portion 401, the annular grinding
The first end 201 in portion 402 does not form the test surfaces 405 by the end face that the cutterhead portion 401 covers.
By the outer diameter difference self-assembling formation step of the annular grinding part 402 and the cutterhead portion 401, pass through step surface
Form test surfaces 405.
Step can certainly be opened up on annular grinding part 402 forms step surface, it is closer from grinding end, it measures more quasi-
Really, but to guarantee that being ground end has enough intensity.
It is more preferable that the setting of step can make entire grinding cutterhead 400 rotate more temperature, grinding effect.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.