Utility model content
The purpose of this utility model is to provide a kind of cutter heads with balancing loop, to solve existing knife handle connection
Rotation imbalance is easy to appear after cutterhead and causes machining accuracy poor and technical problem that knife handle service life is shorter.
The utility model provides a kind of cutter head with balancing loop, comprising: cutterhead, knife handle, and be arranged described
Balancing loop on knife handle;The balancing loop includes: ring body, and the ring body has opposite medial surface and lateral surface, described
Medial surface is used to surround the mounting hole at the middle part of the ring body;The lateral surface is provided with multiple with repeated hole, and multiple described matches
Repeated hole is laid along the circumferencial direction of the lateral surface;The knife handle includes: holder main body, and the mounting hole is set in the knife handle
In main body;One end that the holder main body closes on the balancing loop is equipped with cutterhead mounting portion, the other end of the holder main body
Equipped with the installation axle being connect with lathe;The cutterhead includes: discoid cutterhead portion, the side disk and 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 setting in the cutterhead portion
There is knife handle interconnecting piece, the knife handle interconnecting piece and the cutterhead mounting portion assemble;The grinding surface of the annular grinding part offers
Multiple chip spaces, multiple chip spaces run through inside and outside the annular grinding part;The two sides of multiple chip spaces
Cell wall is respectively formed cutting face.
When practical application, the inside of the holder main body is equipped with installation cavity, and the installation cavity is for placing ultrasonic wave
Energy converter, the ultrasonic transducer can convert electrical energy into mechanical energy;The outside of the holder main body is equipped with wireless power transmission
Device.
Wherein, the ultrasonic transducer includes: amplitude transformer and the piezoelectric vibrator and electricity that are arranged in the amplitude transformer
Pole piece;The first end of the amplitude transformer is provided with assembly flange, and the amplitude transformer passes through the assembly flange and the knife handle master
Body connection, the mode that the second end of the amplitude transformer is connected through a screw thread are connect with the cutterhead;The piezoelectric vibrator and described
Electrode slice is arranged in the installation cavity body of the holder main body, and the piezoelectric vibrator and the electrode slice interval are set
It sets.
Specifically, the cutter head described in the utility model with balancing loop further include: gland, the gland setting exist
Side of the assembly flange far from the piezoelectric vibrator;The gland is connect with the holder main body, and the gland compresses
The assembly flange.
Further, the wireless power transmission device includes: the receiving coil for passing sequentially through sealing and being fixedly connected, receives magnetic core
And support ring.
Further, the cutter head described in the utility model with balancing loop further include: regulating device, the tune
Regulating device is installed on described in repeated hole;The regulating device is column structure;The column structure have external screw thread, for
The internal screw thread with repeated hole matches.
Still further, the cutterhead mounting portion includes: loop tray, the center of the loop tray is equipped with round lock
Column, and the loop tray is equipped with locking hole;The cutterhead is arranged by the knife handle interconnecting piece is fixed on the round lock
It on column, and is fixed by the locking hole, the circular cylindrical configuration can be used in positioning the cutterhead;The balancing loop
It is set on the holder main body, and is fixed by jackscrew and the loop tray.
When practical application, the extending direction of the cell wall of the chip space of the cutterhead and the groove depth direction of the chip space
It is formed with angle.
Wherein, the outer diameter of the annular grinding part is greater than the outer diameter in the cutterhead portion, the first end of the annular grinding part
Test surfaces are not formed with by the end face that the cutterhead portion covers;The test surfaces and the central axis of the annular grinding part hang down
Directly, for testing end face run-out and the circularity bounce of annular grinding part.
Specifically, the upper limb in the cutterhead portion uses chamfering structure;The end face at the grinding end of the annular grinding part
Using cambered surface.
Compared with the existing technology, the cutter head described in the utility model with balancing loop has the advantage that
In cutter head provided by the utility model with balancing loop, comprising: cutterhead, knife handle, and be arranged in knife handle
On balancing loop;Balancing loop includes: ring body, and ring body has opposite medial surface and lateral surface, and medial surface is for surrounding ring
The mounting hole at the middle part of body;Lateral surface is provided with multiple with repeated hole, and multiple circumferencial directions with repeated hole along lateral surface are laid;Knife
Handle includes: holder main body, and mounting hole is set on holder main body;It is installed equipped with cutterhead one end that holder main body closes on balancing loop
Portion, the other end of holder main body are equipped with the installation axle connecting with lathe;Cutterhead includes: discoid cutterhead portion, and the one of cutterhead portion
Side panel face and the first end of annular grinding part are affixed, and the second end of annular grinding part is grinding end, the other side disk in cutterhead portion
It is provided with knife handle interconnecting piece, knife handle interconnecting piece and cutterhead mounting portion assemble;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.Thus
Analysis it is found that balancing loop is installed on knife handle in the cutter head provided by the utility model with balancing loop, by
Balancing loop matches mounting in repeated hole, to adjust the space bit for the whole center of gravity that knife handle, cutterhead and balancing loop are formed
It sets, maintains it on the rotation axis of knife handle, to be conducive to maintain the equilibrium state in rotation process, knife is effectively ensured
Handle and cutterhead keep balancing well during rotation, and then effectively improve machining accuracy;Further, it is possible to reduce mechanical breakdown
Generation, effectively extend knife handle service life.
In addition, the grinding end when annular grinding part has just contacted when flour milling, buffering and roughing are formed by cutting edge, made wait grind
Face is cut sword and cuts in advance more smooth, then treats flour milling by the grinding end of ring cutting part again and polishes;So
Setting, more smoothly when capable of making to be ground, ground effect is good, can buffer the cutting collision of workpiece, improve product and process matter
Amount.Also, in cutting and grinding process, on the one hand chip space plays the role of heat dissipation, on the other hand plays discharge grindstone dust
Effect, the service life of grinding part is extended while ensureing grinding quality.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the system of indication or suggestion meaning or element must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are 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 " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, the indirect phase of intermediary can also be passed through
Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
Fig. 1 is the schematic perspective view of the cutter head provided by the embodiment of the utility model with balancing loop;Fig. 2 is
The configuration schematic diagram of cutter head provided by the embodiment of the utility model with balancing loop;Fig. 3 is that the utility model is real
The side structure schematic view of the cutter head with balancing loop of example offer is provided;Fig. 4 is band provided by the embodiment of the utility model
The schematic diagram of the section structure of the cutter head of balancing loop.
As Figure 1-Figure 4, the utility model embodiment provides a kind of cutter head with balancing loop, comprising: cutterhead
1, knife handle 2, and the balancing loop 3 being arranged on knife handle 2;Balancing loop 3 includes: ring body 31, and ring body 31 has opposite interior
Side and lateral surface, medial surface are used to surround the mounting hole at the middle part of ring body 31;Lateral surface is provided with multiple with repeated hole 32 and more
A circumferencial direction with repeated hole 32 along lateral surface is laid;Knife handle 2 includes: holder main body 21, and mounting hole is set in holder main body 21
On;One end that holder main body 21 closes on balancing loop 3 is equipped with cutterhead mounting portion 22, and the other end of holder main body 21 is equipped with and lathe
The installation axle 23 of connection;Cutterhead 1 includes: discoid cutterhead portion 11, the side disk in cutterhead portion 11 and annular grinding part 12
First end is affixed, and the second end of annular grinding part 12 is grinding end, and the other side disk in cutterhead portion 11 is provided with knife handle interconnecting piece
13, knife handle interconnecting piece 13 and cutterhead mounting portion 22 assemble;The grinding surface of annular grinding part 12 offers multiple chip spaces 14, multiple
Chip space 14 is inside and outside annular grinding part 12;The two sides cell wall of multiple chip spaces 14 is respectively formed cutting face.
Compared with the existing technology, the cutter head described in the utility model embodiment with balancing loop has following excellent
Gesture:
In cutter head provided by the embodiment of the utility model with balancing loop, as Figure 1-Figure 4, comprising: cutterhead
1, knife handle 2, and the balancing loop 3 being arranged on knife handle 2;Balancing loop 3 includes: ring body 31, and ring body 31 has opposite interior
Side and lateral surface, medial surface are used to surround the mounting hole at the middle part of ring body 31;Lateral surface is provided with multiple with repeated hole 32 and more
A circumferencial direction with repeated hole 32 along lateral surface is laid;Knife handle 2 includes: holder main body 21, and mounting hole is set in holder main body 21
On;One end that holder main body 21 closes on balancing loop 3 is equipped with cutterhead mounting portion 22, and the other end of holder main body 21 is equipped with and lathe
The installation axle 23 of connection;Cutterhead 1 includes: discoid cutterhead portion 11, the side disk in cutterhead portion 11 and annular grinding part 12
First end is affixed, and the second end of annular grinding part 12 is grinding end, and the other side disk in cutterhead portion 11 is provided with knife handle interconnecting piece
13, knife handle interconnecting piece 13 and cutterhead mounting portion 22 assemble;The grinding surface of annular grinding part 12 offers multiple chip spaces 14, multiple
Chip space 14 is inside and outside annular grinding part 12;The two sides cell wall of multiple chip spaces 14 is respectively formed cutting face.Thus
Analysis is it is found that be installed on knife handle 2 for balancing loop 3 in the cutter head provided by the embodiment of the utility model with balancing loop
On, by matching mounting in repeated hole 32 in balancing loop 3, to adjust the entirety that knife handle 2, cutterhead 1 and balancing loop 3 are formed
Center of gravity spatial position, maintain it on the rotation axis of knife handle 2, thus be conducive to maintain rotation process in balance
State, is effectively ensured knife handle 2 and cutterhead 1 keeps balancing well during rotation, and then effectively improves machining accuracy;And
And the generation of mechanical breakdown can be reduced, effectively extend the service life of knife handle.
In addition, when the grinding end of annular grinding part 12 has just contacted when flour milling, buffering and roughing are formed by cutting edge, make to
Flour milling is cut sword and cuts in advance more smooth, then treats flour milling by the grinding end of annular grinding part 12 again and polishes;
So set, more smoothly when capable of making grinding, ground effect is good, can buffer the cutting collision of workpiece, improve product and add
Working medium amount.Also, in cutting and grinding process, 14 one side of chip space plays the role of heat dissipation, on the other hand plays discharge
The effect of grindstone dust extends the service life of grinding part while ensureing grinding quality.
When practical application, as shown in figure 4, the inside of above-mentioned holder main body 21 is equipped with installation cavity, installation cavity physical efficiency is enough
In placing ultrasonic transducer 4, ultrasonic transducer 4 can convert electrical energy into the mechanical energy of high frequency up and down motion, that is, in reality
Cutterhead 1 not only does high speed rotary motion in the application process on border, but also does high-frequency up-down alternative motion, adds to reach ultra dense
Work is conducive to the quality for improving finished surface, prolongs the service life;Also, the outside of above-mentioned holder main body 21 is equipped with wireless defeated
Electric installation 5.
Wherein, above-mentioned ultrasonic transducer 4 includes: amplitude transformer and the piezoelectric vibrator and electricity that are arranged in the amplitude transformer
Pole piece;The first end of amplitude transformer is provided with assembly flange, and amplitude transformer is connect by assembly flange with holder main body 21, amplitude transformer
The mode that second end is connected through a screw thread is connect with cutterhead 1;Piezoelectric vibrator and electrode slice are arranged at the installation of holder main body 21
In cavity, and piezoelectric vibrator and the setting of electrode slice interval.Also, shock relieve vent can be offered on assembly flange, damping pore structure
It can interfere with ultrasonic wave transmitting, keep the fitting surface of assembly flange without friction, can preferably obstruct the transmitting of ultrasonic vibration, reduce
Energy loss;Above-mentioned shock relieve vent can be to be multiple, and multiple shock relieve vents are uniformly arranged along the circumferentially-spaced of assembly flange, thus dry
The effect for disturbing ultrasonic wave transmitting is good, and the fitting surface of assembly flange is without friction, can preferably obstruct the transmitting of ultrasonic vibration, reduces
Energy loss.
Specifically, the cutter head provided by the embodiment of the utility model with balancing loop can also include: gland, the pressure
Side of the assembly flange far from piezoelectric vibrator is arranged in lid;When practical set, gland is connect with holder main body 21, and gland compresses
Assembly flange;And sealant, it is arranged between gland and assembly flange.
Further, as shown in Fig. 2, above-mentioned wireless power transmission device 5 may include: connecing of passing sequentially through that sealing is fixedly connected
Take-up circle 51 receives magnetic core 52 and support ring 53.
Further, the cutter head described in the utility model embodiment with balancing loop can also include: to adjust
Device, the regulating device can be installed on in repeated hole 32;Regulating device can be preferably column structure;Also, column structure
It can have external screw thread, for matching with the internal screw thread with repeated hole 32.
Still further, above-mentioned cutterhead mounting portion may include: loop tray, the center of loop tray is equipped with round lock
Column, and loop tray is equipped with locking hole;Cutterhead 1 can be arranged by knife handle interconnecting piece 13 and is fixed on circular cylindrical configuration, and be led to
It crosses locking hole to fix, circular cylindrical configuration can be used in positioning cutterhead 1;Meanwhile above-mentioned balancing loop 3 can be set in knife handle
In main body 21, and fixed by jackscrew and loop tray.
When practical application, as shown in figure 4, the extending direction of the cell wall of the chip space 14 of above-mentioned cutterhead 1 and chip space 14
Groove depth direction is formed with angle.Chip space 14 is obliquely installed, rather than use vertical setting, cutting when, cutting face with
It is at an acute angle to flour milling, resistance can be effectively reduced, it is easier to cut.
Wherein, the outer diameter of above-mentioned annular grinding part 12 can be greater than the outer diameter in cutterhead portion 11, and the first of annular grinding part 12
End is not formed with test surfaces by the end face that cutterhead portion 11 covers;Also, the test surfaces and the central axis of annular grinding part 12 hang down
Directly, it can be used in testing end face run-out and the circularity bounce of annular grinding part 12.Test surfaces are provided with, it can be in annular grinding part
When 12 grinding rotation, the end face run-out and circularity for testing annular grinding part 12 on test surfaces by test equipments such as phasing meters are jumped
It is dynamic, to facilitate adjusting computing ballance correction.
Specifically, the upper limb in above-mentioned cutterhead portion 11 can use chamfering structure, and chamfering structure can not only effectively mitigate weight
Amount, convenient for rotation, and it is safer, without more sharp edge;The end face at the grinding end of above-mentioned annular grinding part 12 can be with
Using cambered surface, so as to effectively reduce frictional resistance, more efficient grinding.
The utility model embodiment provides a kind of design method of balancing loop again:
Wherein, d indicates the aperture for matching repeated hole, and D1 indicates that the outer diameter of the ring body, D2 indicate the internal diameter of the ring body,
L indicates that the axial length of the ring body, W indicate the ring width of the ring body.
Step S01, determine that the outer diameter D 1 of ring body, the outer diameter D 1 of ring body are equal to 1.1-1.3 times of knife handle outer diameter;
Step S02, determine that the internal diameter D2 of ring body, the internal diameter D2 and knife handle crest clearance of ring body cooperate, grade of tolerance H8
Or H10;
Step S03, the width W=D1-D2 of ring body is determined;
Step S04, the axial length L of ring body is determined, the axial length of ring body is equal to the axial direction of 0.10-0.13 times of knife handle
Length;
Step S05, the aperture d, d=0.5L+0.02D+0.2W+0.1 for matching repeated hole are determined.
The utility model embodiment provides a kind of using balancing loop adjustment knife handle/cutterhead center of gravity method again:
Number of the balancing loop side with repeated hole is 24 or 30 or 36;There are five types of regulating device of the insertion with repeated hole
Specification, weight can be respectively 0.1g, 0.2g, 0.3g, 0.4g, 0.5g.
By taking 30 balancing loops with repeated hole as an example, specific regulating step is as follows:
Step S10, dynamic balancing ring set is installed on knife handle clearance fit;
Step S20, the regulating device of 4 0.3g is installed on in repeated hole, one is installed every an angle of 90 degrees, due to gap
Cooperation, regulating device withstand knife handle and also act as the effect that balancing loop is fixed on to knife handle;
Step S30, knife handle component/cutter head assembly center of gravity is tested using barycenter test instrument, first time is enabled to measure
Laying particular stress on position is the first weighting position, and the weighting amount measured for the first time is the first weighting amount;
Step S40, the first weighting amount at position is laid particular stress on according to first measured, if first lays particular stress on position in step S20
Some position in 4 regulating devices of installation, then corresponding regulating device here of dismantling, is surveyed using barycenter test instrument
Knife handle component/cutter head assembly center of gravity is tried, enabling second of weighting amount measured is the second weighting amount;According to the second weighting amount
The corresponding combination installation of size or five kinds of weight specifications of disassembly regulating device;
Step S50, the weighting amount at position is laid particular stress on according to first measured, if first lays particular stress on position not in step S20 peace
Any one of 4 regulating devices of dress position, then being installed according to the opposite that the first weighting amount is laid particular stress at position first
The regulating device of dimension;
Step S60, step S40, step S50 are repeated until knife handle component/cutter head assembly center of gravity and knife handle are axially coincident.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.