CN207506468U - A kind of food processor to operate steadily - Google Patents
A kind of food processor to operate steadily Download PDFInfo
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- CN207506468U CN207506468U CN201720523857.0U CN201720523857U CN207506468U CN 207506468 U CN207506468 U CN 207506468U CN 201720523857 U CN201720523857 U CN 201720523857U CN 207506468 U CN207506468 U CN 207506468U
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- balancing frame
- food processor
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- rotor
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- Food-Manufacturing Devices (AREA)
Abstract
A kind of food processor to operate steadily, including the engine base with motor, the stirring cup being connect with engine base, crushing knife in stirring cup, the stirring cup is removably mounted on engine base, the stirring cup includes cup body and cup lid, the motor driving crushing knife rotation, wherein, the motor is DC brushless motor, the motor includes stator, rotor, the upper bracket being arranged on above stator and the lower carriage being arranged below stator, the rotor includes the motor shaft positioned at center, the rotor core being arranged on motor shaft and the magnetic shoe being arranged on the outside of rotor core, balancing frame is arranged on the motor shaft.Above-mentioned technical proposal ensure that steady cutting of the food processor in high speed crushing process, improve crush efficiency, also reduces the swing situation of complete machine, reduces noise.
Description
Technical field
The utility model is related to food processing field more particularly to a kind of food processor to operate steadily.
Background technology
Existing food processor motor load rotating speed is high, as the diversification of cooking machine product function, frequency of use increase, mesh
It is preceding conventional using the cooking machine for having brush series excited machine, have in work short Carbon dust pollution, electrical machinery life, vibration and noise it is big, cannot
Accurate speed governing, when conventional excessive using the cooking machine material of series excited machine, crushing rotating speed reduces, and crushing effect is bad；Material compared with
When few, motor load rotating speed is high, and crushing effect is preferable, but noise is big, poor user experience, and cooking machine product is caused to have many lack
It falls into, it is impossible to meet user demand.The prior art also sets DC brushless motor in food processor, although solving above-mentioned portion
Divide problem, but it is still by the way of traditional to balance, and dispensing is increased or decreased on rotor, it is such to adjust balance
Mode is not only complicated for operation, but also due to being acted directly on rotor by increasing and decreasing dispensing, is very easy to come off, structure
Unstable, balance is poor, it is difficult to be solved the problems, such as under the premise of high-revolving on broken wall cooking machine dynamically balanced.
Utility model content
The purpose of this utility model is to provide one kind to operate steadily, the food processor of good reliability.
In order to solve the above-mentioned technical problem, the utility model provides a kind of food processor to operate steadily, including having
The engine base of motor, the stirring cup being connect with engine base, the crushing knife in stirring cup, the stirring cup are removably mounted at engine base
On, the stirring cup includes cup body and cup lid, and the motor driving crushing knife rotates, wherein, the motor is brush DC electricity
Machine, the motor includes stator, rotor, the upper bracket being arranged on above stator and the lower carriage being arranged below stator, described
Rotor includes motor shaft, the rotor core being arranged on motor shaft and the magnetic shoe being arranged on the outside of rotor core positioned at center,
Balancing frame is arranged on the motor shaft, the highest load speed of the motor is 12000 ~ 30000r/min.
Preferably, the balancing frame includes the upper balancing frame for being set in motor shaft upper end, and the upper balancing frame is located at rotor
Above iron core.
Preferably, the balancing frame includes the lower balancing frame for being set in motor shaft lower end, and the lower balancing frame is located at rotor
Below iron core.
Preferably, the cyclic structure with through-hole centered on the balancing frame, the balancing frame are equipped with multiple counterweight tanks, institute
It states and counterweight glue is equipped in counterweight tank.
Preferably, the counterweight tank is radially disposed on balancing frame, and fastening teeth is equipped in the counterweight tank.
Preferably, the upper balancing frame be equipped with multiple upper counterweight tanks, the upper counterweight tank from the top surface of upper balancing frame to
Lower recess is formed.
Preferably, the lower balancing frame be equipped with multiple lower counterweight tanks, the lower counterweight tank from the bottom surface of lower balancing frame to
Upper recess is formed.
Preferably, the periphery of the lower balancing frame is equipped with aerofoil fan, the aerofoil fan and the lower balancing frame one
Molding.Preferably, be radially equipped at intervals with multiple spacer rings on the balancing frame, formed between the multiple spacer ring described in match
Baking soda.
Preferably, it is L that the balancing frame, which is the thickness of balancing frame described in vinyl disc, the mm of wherein 5mm≤L≤12；It is described flat
The outer diameter D 1 of disk of weighing is less than the internal diameter D2 of the stator, wherein 1 mm≤D2-D1≤6 mm；Motor control is additionally provided on the motor
Making sheet, the motor control panel is arc-shaped and is arranged on the outside of balancing frame.
The beneficial effects of the utility model are：
1 is set in by balancing frame on motor shaft, since DC brushless motor eliminates carbon brush in itself, in this premise
Under increase exacerbation scheme, balancing frame aggravates, and add using plate-like entire rotor as an applying part
Weight, so as to ensure that rotor can also ensure adjustment of balance when load reaches 12000 ~ 30000r/min, passes through plate-like
High speed centrifugation power is converted to equilibrant force, ensure that steady cutting of the food processor in high speed crushing process, additionally, due to flat
Weighing apparatus disk is set on motor shaft, therefore balancing frame has limiting with motor shaft radially, ensure that during high-speed cruising,
Balancing frame is not easily to fall off, is arranged on motor shaft always, ensure that the balance under high velocity environment, overcomes larger centrifugal force institute
The risk that comes off brought, improves crush efficiency, also reduces the swing situation of complete machine, reduces noise, when the load of motor
When rotating speed is less than 12000 r/min minutes, food processor is difficult to achieve the effect that crush at a high speed, and food cannot reach broken wall
Standard, be not easy to be absorbed by the body, balancing frame also loses its meaning in low speed environments；When motor load is more than 30000r/
Min, balancing frame can be detached from original path during high-speed cruising, so as to bear to cause balance to fail, counterweight glue
Easily because throwing away, therefore the performance of motor can be influenced at a high speed.
2. by being arranged balancing frame in motor shaft upper end, and above rotor core so that balancing frame is arranged on whole
The top of a rotor in high-speed rotation process, is accomplished recently, therefore ensure that crushing knife in motor with the distance of crushing knife
Lower high speed rotation is driven, the balance shortest distance of motor shaft is passed into crushing knife, ensure that in crushing knife crushing process
Balance so that is crushed is more thorough, improves crush efficiency, is crushed additionally, due to steady, also reduces crushed material
Noise during material so that the balance of motor has been transferred to crushing knife by shaft coupling.
3. by the setting of upper and lower balancing frame, and it is separately positioned on above and below rotor core so that entire to turn
Son has carried out hamming, ensure that motor has balance up and down in high speed crushing process, further ensures high speed operation
Stationarity in the process so that the crushing knife of food processor in most high speed crushing process, such as close to load 20000r/
It when min, can ensure dynamic balancing, ensure that machine does not shake, smooth working, and it is minimum so that noise is fallen below,
Also the service life of motor is extended.
4. by the setting of counterweight tank, dynamic balancing of the DC brushless motor during high-speed cruising is ensure that, by counterweight
Slot is arranged on balancing frame, and by setting addition counterweight glue in counterweight tank so that more convenient in motor manufacturing process
Overcome manufacturing deviation, ensure that functioning equalization so that counterweight glue is not easy to fall off so that motor is easy to process, simply, only need
Equalization point is found by instrument, and passes through and fills the dynamic balancing that counterweight glue realizes entire rotor, it is possible to ensure efficient pulverizing,
In hamming, the angle position of counterweight, balance colloid product are more intuitive, the filling balance glue on the basis of 1 grid, can be with
Simplify dynamic balancing operation, improve man efficiency, reduce cost.
5. being radially disposed on balancing frame by counterweight tank, the harmony of counterweight tank, the power of balance ensure that
More uniformly so that counterweight tank is symmetrical arranged, and itself does not influence dynamic balancing, and the balance of motor is more preferable, does not influence motor
Performance, even if there are one coming off, whole working condition is influenced also little, substantive balance damage will not be formed, prolonged
The service life of motor is grown.In addition it ensure that the accommodation space of counterweight tank has a uniformity and operability, accurate counterweight
Precision so that the setting of counterweight glue is more prone to, and fixation is also more firm.In addition fastening teeth is equipped in the counterweight tank so that
It in counterweight glue placement process, is merged with fastening teeth, extends contact area, so as to ensure that counterweight glue is arranged on counterweight
Reliability in slot, it is not easily to fall off, increase bonding force, the fastening force of counterweight glue and balancing frame, prevent motor in high temperature, high speed
Glue comes off during work, and leads to food processor noise, abnormal vibration.
6. by the setting of upper and lower counterweight tank, counterweight process can be caused to be carried out simultaneously in the upper and lower ends of rotor, so as to
The precision of counterweight is further improved, also reduces counterweight error so that the leeway bigger of selection.In addition counterweight is protected simultaneously up and down
The balance in a vertical direction with motor shaft is demonstrate,proved so that balance is more preferable, and high speed operation of motor is more stablized.
7. being integrally formed by aerofoil fan and lower balancing frame, assembling is simplified, structure is simpler, facilitates motor
Noise reduction and heat dissipation during high-speed cruising.And in the high-speed rotation of fan carry balance so that balance further by
Enhancing, avoids the shaking of complete machine in high speed crushing process.
8. a pair balance disc thickness is defined, when L is less than 5mm, the thickness of balancing frame is too low, it is difficult to there is counterweight space,
Cause mass that can not install, easily throw away, so as to solve the problems, such as balance proportioning；When L be more than 12 mm when, not only into
This waste, can allow motor shaft drive bigger, therefore efficiency reduces, cause motor shaft export in a part of power need to drive it is heavier
Balancing frame, so as to cause reversal of effect, in addition thickness is excessive, also causes counterweight difficult, and mass does not often work.
9. the internal diameter D2 for being less than the stator by the outer diameter D 1 of the balancing frame is set, when D2-D1 is less than 1 mm
It waits so that it is excessive to balance dish external diameter, mechanical interference easily is generated with stator, influences performance；When D2-D1 is more than 6 mm, put down
The dish external diameter that weighs is too small, and gap is too small between stator, leads to the reduction of dynamic balance weight efficiency, and cost increases.
Description of the drawings
Fig. 1 is the structure diagram of food processor described in the utility model；
Fig. 2 is the structure chart of the utility model DC brushless motor；
Fig. 3 is the structure chart of rotor described in the utility model；
Fig. 4 is the structure chart of upper balancing frame described in the utility model；
Fig. 5 is the structure chart of fastening teeth described in the utility model；
Fig. 6 is the structure chart of lower balancing frame described in the utility model；
Fig. 7 is the structure chart of stator described in the utility model；
Fig. 8 is the structure chart of lower carriage described in the utility model；
Fig. 9 is the structure chart of upper bracket described in the utility model；
Figure 10 is the structure chart of aerofoil fan described in the utility model；
Figure 11 is the structure chart of bottom cover described in the utility model；
Figure 12 is the structure chart of taper wind output channel described in the utility model.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Embodiment one：
As shown in Figure 1, a kind of food processor to operate steadily, the present embodiment is broken wall cooking machine, including with motor 1
Engine base 2 with wiring board 8, stirring cup 3, the crushing knife 4 in stirring cup 3 being connect with engine base 2, the stirring cup 3 are removable
It unloads on engine base 2, the stirring cup 3 includes cup body and cup lid（It is not shown in figure）, shown cup body is plastics cup body, is used for
Cold drink is made, the motor driving crushing knife 4 rotates, and the motor is DC brushless motor, uses the good of DC brushless motor
It is in reducing cooking machine noise, without Carbon dust pollution, improving air duct reduces each component Wen Sheng, and DC brushless motor can realize speed
Closed-loop control is spent, not because material difference causes load speed deviation big, the consistency of food processing is good, and DC brushless motor does not have
Carbon brush, without carbon dust abrasion and Carbon dust pollution, long lifespan, 2 ~ 5 times of cooking machine service life can be extended, DC brushless motor turns
Son is as moving component, and not charged, safe and reliable property is high.In practical work process, the load speed of motor 1500 ~
30000r/min（Rev/min）, 50 mesh screens crush percent of pass during 15000 r/min of load speed>98%, rotating speed is less than 9000
R/min crushing effects are bad<85%, percent of pass is crushed during higher than 30000 r/min and promotes limited, and noise increase, bearing wear
Aggravate service life reduction.
Such as Fig. 2, shown in Fig. 3, the motor includes stator 11, rotor 12,13 and of upper bracket for being arranged on 11 top of stator
The lower carriage 14 of 11 lower section of stator is arranged on, the rotor 12 includes the motor shaft 121 positioned at center, is arranged on motor shaft 121
On rotor core 122 and be arranged on the magnetic shoe 123 in the outside of rotor core 122, be arranged with balancing frame on the motor shaft 121.
The advantages of this arrangement are as follows：It is set on motor shaft 121 by balancing frame, since DC brushless motor eliminates carbon in itself
Brush, thus herein under the premise of increase exacerbation scheme, balancing frame aggravates entire rotor as an applying part, and
It aggravates using plate-like, can also ensure at a high speed so as to ensure that rotor when load reaches 12000 ~ 30000r/min
Balance, equilibrant force is converted to by plate-like high speed centrifugation power, ensure that food processor steadily cutting in high speed crushing process
It cuts, improves crush efficiency, also reduce the swing situation of complete machine, reduce noise.
As shown in figure 4, the balancing frame includes the upper balancing frame 5 for being set in 121 upper end of motor shaft, the upper balancing frame 5
Above rotor core 122, and ride upon on rotor core 122.The advantages of this arrangement are as follows：By in motor shaft 121
Upper end is arranged balancing frame, and positioned at 122 top of rotor core so that balancing frame is arranged on the top of entire rotor, at a high speed
In rotary course, accomplish recently with the distance of crushing knife 4, therefore ensure that the high speed rotation under the drive of motor of crushing knife 4, protect
The balance in 4 crushing process of crushing knife has been demonstrate,proved, so that is crushed is more thorough, has improved crush efficiency, additionally, due to
It is steady to crush, also reduce the noise during comminuting matter so that the balance of motor has been transferred to crushing knife by shaft coupling
4。
On the basis of above, in the present embodiment, the balancing frame further includes the lower balancing frame for being set in 121 lower end of motor shaft
6, the lower balancing frame 6 is located at 122 lower section of rotor core.The advantages of this arrangement are as follows：By the setting of upper and lower balancing frame 6,
And it is separately positioned on above and below rotor core 122 so that entire rotor has carried out hamming, ensure that at a high speed
Motor has in crushing process balances up and down, further ensures the stationarity during high speed operation so that food processor
Crushing knife 4 in most high speed crushing process, such as close to load 20000r/min when, can ensure dynamic balancing,
It ensure that machine does not shake, smooth working, and it is minimum so that noise is fallen below, and also extends the service life of motor.
Such as Fig. 5, shown in Fig. 6, the cyclic structure with through-hole 51 centered on the balancing frame, be in the present embodiment standard circle
Ring-shaped, 121 interference of motor shaft are arranged in through-hole 51, ensure that motor shaft 121 and the installation site of balancing frame are fixed, described
Balancing frame is equipped with multiple counterweight tanks, is equipped with counterweight glue in the counterweight tank, balancing disc structure avoids counterweight glue from coming off and cause
Vibrating noise increases caused by motor is stuck, dynamic balancing is bad.The advantages of this arrangement are as follows：By the setting of counterweight tank, protect
Dynamic balancing of the DC brushless motor during high-speed cruising has been demonstrate,proved, counterweight tank has been arranged on balancing frame, and pass through counterweight
Setting addition counterweight glue in slot so that in motor manufacturing process, conveniently overcome manufacturing deviation, ensure that work is put down
Weighing apparatus so that motor is easy to process, simply, it is only necessary to find equalization point by instrument, and pass through to fill counterweight glue and realize and entirely turn
The dynamic balancing of son, it is possible to ensure efficient pulverizing, in hamming, the angle position of counterweight, balance colloid product are more intuitive,
The filling balance glue on the basis of 1 grid, can simplify dynamic balancing operation, improve man efficiency, reduce cost.
As shown in fig. 7, stator 11 is cyclic structure, including being provided at its inner portion stator core and being located on stator core
Winding 111 under the action of fan, forms axial air flowing, and effectively radiated to winding 111.
The counterweight tank is radially disposed on balancing frame, and fastening teeth 54, fastening teeth are equipped in the counterweight tank
54 are extended to form, and be integrally formed by the inner wall inward portion of counterweight tank.It is radially equipped at intervals on the balancing frame more
A spacer ring is 2 spacer rings in the present embodiment, the counterweight tank is formed between the multiple spacer ring.The setting of spacer ring, which ensure that, matches
The intermittent of Baking soda also ensures the intensity of counterweight tank.The advantages of this arrangement are as follows：It is radially spaced and set by counterweight tank
It puts on balancing frame, ensure that the harmony of counterweight tank so that counterweight tank is symmetrical arranged, and itself does not influence dynamic balancing, separately
The outer accommodation space that ensure that counterweight tank has a uniformity and operability, accurate counterweight precision so that the setting of counterweight glue
It is more prone to, fixation is also more firm.In addition fastening teeth 54 is equipped in the counterweight tank so that in counterweight glue placement process, with
Fastening teeth 54 is merged, and extends contact area, so as to ensure that counterweight glue is arranged on the reliability in counterweight tank, is not easy
It comes off, increases bonding force, the fastening force of counterweight glue and balancing frame, prevent motor glue in high temperature, high speed operation from coming off, and
Lead to food processor noise, abnormal vibration.
The counterweight tank includes the upper counterweight tank 52 that is arranged on balancing frame 5 and be arranged on lower balancing frame 6 lower matches
Baking soda 53, the upper counterweight tank 52 is recessed downwards by the top surface of upper balancing frame 5 to be formed, and the lower counterweight tank 53 is by lower balancing frame 6
Bottom surface on be recessed formed.The advantages of this arrangement are as follows：By the setting of upper and lower counterweight tank 53, it can so that counterweight process is same
When rotor upper and lower ends carry out, so as to further improve the precision of counterweight, also reduce counterweight error so that selection
Leeway bigger.In addition counterweight ensure that balance with motor shaft 121 in a vertical direction simultaneously up and down so that balance is more preferable,
High speed operation of motor is more stablized.
The periphery of the lower balancing frame 6 is equipped with aerofoil fan 15, the aerofoil fan 15 and 6 one of lower balancing frame into
Type, motor compact design, reduces cooking machine height, reduces cost.The advantages of this arrangement are as follows：By aerofoil fan 15 under
Balancing frame 6 is integrally formed, and simplifies assembling, and structure is simpler, facilitates the noise reduction during high speed operation of motor and heat dissipation.
And balance is carried in the high-speed rotation of fan so that balance is further enhanced, and is avoided whole in high speed crushing process
The shaking of machine.The balancing frame is vinyl disc, and the highest load speed of the motor is 12000 ~ 30000r/min（Rpm
Clock）, originally it is that highest load speed is 15000 r/min in embodiment.Highest load speed refers to stirring cup in load environment
Under, for example a certain number of water are filled, water just flooded the rotating speed of motor under the premise of crushing knife.The benefit set in this way exists
In：It is vinyl disc by balancing frame, has on the one hand saved cost, it is easy to process；On the other hand sticking for balance glue is also allowed for, is kept away
Exempt from balance glue to be detached from during running at high speed.
The thickness of the balancing frame is L, thickness thickness axial for it, the mm of wherein 5mm≤L≤12, L in the present embodiment
For 8mm；Ensure that balancing frame has certain glue space of matching, guarantee balance in this way.The outer diameter D 1 of the balancing frame is less than described
The internal diameter D2 of stator 11, wherein 1 mm≤D2-D1≤6 mm.D2-D1 is 3mm in the present embodiment.This programme DC brushless motor
For three-phase windings, such as using the motor of single-phase winding, vibration and noise is big, has startup dead zone, is not suitable for cooking machine load；Three-phase
The motor of more than winding, driver are of high cost；Electric machine rotor structure is 6/4 pole or 9/6 pole（Very few and excessive number of poles is all
Motor manufacturing difficulty can be caused to increase, cost increases）, 11 outer diameter of stator be 46 ~ 120mm, the ratio of 11 outer diameter of rotor and stator
Air gap between 0.45 ~ 0.65, rotor is 0.2 ~ 0.6mm, the air gap<During 0.2mm, cogging torque is larger, rotor it
Between mechanical interference easily occurs；Again since this programme increases 123 dead ring 124 of magnetic shoe of 0.15 ~ 0.5mm, calculating magnetic field gas
123 dead ring of air gap+magnetic shoe, 124 thickness between gap=rotor, to avoid calculating magnetic field air gap is excessive from influencing motor
Can, the air gap between rotor is determined as 0.2 ~ 0.6mm.The structure and size range for household food processor direct current without
The Rational structure and size range of brush motor can ensure the optimal load characteristic of cooking machine, more efficient energy saving and at low cost.
After the size of balancing frame determined above, the grid number n of the counterweight tank on balancing frame can be according to the first of motor
Beginning amount of unbalance m designs determine.Specifically design method is：By the counterweight tank filling full configuration weight glue of grid, glue quality is sets
Surely mass M is aggravated；The counterweight sump volume V of grid=setting aggravates quality M/ glue density；It is true further according to the counterweight sump volume of grid
Make grid number n.
This programme food processor DC brushless motor, the initial unbalance, of rotor are distributed in 100 ~ 600mg, due to
Rotor is two-sided correction balance, and the exacerbation quality of each balancing frame set and aggravates mass M as 300mg in 50 ~ 300mg, according to putting down
The size and axial width of weighing apparatus disk, and then grid number is set as 18.
The rotor further includes the rotor core 122 being arranged on motor shaft 121 and is arranged on 122 outside of rotor core
Magnetic shoe 123, the magnetic shoe 123 are multiple, and the both ends of the multiple magnetic shoe 123 are arranged with dead ring 124 respectively.It is described to prop up up and down
Frame 14 is connected by screw 7 and clamps stator 11.4 magnetic shoes 123 are provided on this programme brushless DC motor（Certainly
6 or more can also be set）, 122 outside of rotor core is adhered to by glue, each magnetic shoe 123 is bonded and alternately divides in N, S
Cloth.Since food processor rotating speed is higher, magnetic shoe 123 bears larger centrifugal force in the course of work, if the bonding force of glue
It is insufficient, it may occur that magnetic shoe 123 ruptures, gets rid of winged, generation mechanical hazard.This programme sets dead ring 124 in 123 both sides of magnetic shoe, by
Austenitic stainless steel material is formed, and 0.1 ~ 0.5mm of thickness, the thickness is too small, and fastening strength is weaker, and reliability is insufficient；The thickness
It is excessive, motor calculation air gap can be increased and reduce output torque and working efficiency, motor performance is caused to decline.Dead ring 124 is
Punching stretch part, best 5 ~ 30mm of axial length, end 1 ~ 15mm of seam width.Dead ring 124 set tapered a °=
90.2 ° ~ 91.2 °, it is ensured that 2 dead rings 124 from the both ends of the surface of rotor buckle into when, it is initially more smooth, when being fully inserted into
There is the thrust of 5 ~ 20N, the advantages of this arrangement are as follows：It simplifies operation and improves production efficiency, and bonded adhesives can be increased
The pretightning force of water, after glue curing, dead ring 124 and 123 be bonded one of rotor core 122 and magnetic shoe improve glue bonding
Reliability and consistency, while austenitic stainless steel dead ring 124 also protects magnetic shoe 123 with certain pretightning force, prevents it
It is ruptured due to centrifugal force, improves the reliability of the cooking machine course of work.
The balancing frame designed in this approach, in hamming, the angle position of counterweight, counterweight colloid product are more intuitive,
The filling balance glue on the basis of 1 grid, can simplify dynamic balancing operation, improve man efficiency, reduce cost.
Motor control panel 16 is additionally provided on the motor, the motor control panel 16 is arc-shaped and is arranged on the outer of balancing frame
Side is arranged on the outside of balancing frame 5 in the present embodiment, and motor control panel 16 is fixed on stator 11, this ensure that motor
Effective installation of control panel 16, has saved installation control, with balancing frame in same horizontal plane, take full advantage of balancing frame with
Gap between stator 11.Motor control panel 16 is located in heat dissipation channel, also ensures the heat dissipation of motor control panel 16.
It should be understood that it is set respectively and 122 both ends of rotor core using identical balancing frame.Using in the present embodiment one
Balancing frame and 153 integrated design of fan blade are designed as the fan blade 153 with balancing frame, lower balance by end setting balancing frame, the other end
6 outer diameter of disk is greater than 5 outer diameter of balancing frame, can reduce amount of parts, reduce motor height, reduce cost.
It should be understood that the cup body may be glass cup body, inside setting heat-generating disc, for making hot drink.Adding
With 1500 ~ 9000 r/min of speed of agitator when heat or mixing, preferable mixing effect is obtained：Material can be made not sink to the bottom, not glue
Bottom.The easy interim card of motor, stirring are not thorough during less than 1500r/min；Predominantly crushing effect during more than 9000r/min.
It should be understood that the cup body may be metal cup body, bottom or bottom side setting heat generating member, for making
Make hot drink.
It should be understood that can only design balancing frame 5 as needed or only design lower balancing frame 6, ensure requirement of balance
.
Embodiment two：
As shown in figure 8, the present embodiment is that following supplement is done on the basis of embodiment one：The aerofoil fan 15 is arranged on
Inside DC brushless motor, specifically：The lower end of motor shaft 121 is equipped with aerofoil fan 15, and the lower carriage 14 includes side wall 141
With the bottom wall 142 with exhaust vent 143, i.e., in the bowl-shape of indent, side wall 141 and bottom wall 142 surround a heat dissipation cavity, institute
Aerofoil fan 15 is stated to be located in heat dissipation cavity.The advantages of this arrangement are as follows：It is arranged on inside the motor by aerofoil fan 15,
Fan is arranged on motor bottom end and exposed by difference with traditional so that motor total height reduces more than 20mm, can simplify
The motor mounting space of cooking machine reduces cooking machine height, reduces cost, so that height of main frame reduces, can do small-sized
The food high-speed food processor of change, is in addition set up directly in inside in heat dissipation cavity, can drive entire heat-dissipating space so that
The radiating efficiency higher of motor.
The aerofoil fan 15 is cyclic structure, and the through-hole 51 including being located at center, the lower end of the motor shaft 121 passes through
Through-hole 51 and with 51 interference press-fit of through-hole, the aerofoil fan 15 includes the retainer ring 151 at connection through-hole 51 end, positioned at most
The fluid stopping circle 152 of outer end and the fan blade 153 between retainer ring 151 and fluid stopping circle 152.The advantages of this arrangement are as follows：It is logical
Cross the setting of aerofoil fan 15 so that drive the wind perpendicular flow from top to bottom inside motor, ensure that the uniformity of flowing, make
It is more preferable to obtain heat dissipation effect, high speed operation state can be kept in complete machine operational process for a long time, improves degradation rate.
The motor further includes the lower balancing frame 6 for being set in 121 lower end of motor shaft, and lower balancing frame 6 is located in heat dissipation cavity, institute
It states lower balancing frame 6 to be integrally formed with aerofoil fan 15, the lower balancing frame 6 forms the retainer ring 151 of aerofoil fan 15.It sets in this way
Putting is advantageous in that：It is integrally formed by balancing frame and aerofoil fan 15, it is simple in structure, assembling is simplified, facilitates motor height
Noise reduction and heat dissipation in fast operational process.And balance is carried in the high-speed rotation of fan so that balance is further increased
By force, the shaking of complete machine in high speed crushing process is avoided.
The axial height of the fan blade 153 is between 8 ~ 12mm.It is 10mm in the present embodiment, ensures fan blade 153 in this way
Effective relieve heat.When 153 axial height of fan blade is less than 8mm, heat dissipation effect is bad, and fan blade 153 is easily easy under high velocity environment
Fracture, influences performance；When 153 axial height of fan blade is higher than 12mm, the axial height of entire motor can be increased, be not easy to fan
Installation.
Such as Fig. 9, shown in Figure 10,51 edge of through-hole up extends to form mounting post 154, and the lower end of motor shaft 121 is inserted
In mounting post 154, lower shaft hole 144 is equipped at 14 bottom wall of lower carriage, 142 center, lower bearing is set in lower shaft hole 144,
The bottom end of the motor shaft 121 is mounted on by lower bearing in the lower shaft hole 144；It is equipped at the center of the upper bracket 13 upper
Axis hole 131, the interior setting upper bearing (metal) of upper shaft hole 131, the upper end of the motor shaft 121 is mounted on the upper shaft hole by upper bearing (metal)
In 131.The advantages of this arrangement are as follows：By the setting of metal (upper, it ensure that the degree of balance of motor shaft 121, especially exist
Dynamic balancing under high-speed cruising prevents high-speed transfer from bringing the shaking of complete machine to shaft coupling and crushing knife 4, while is crushed in high speed
In the process, material can be crushed uniformly, also reduce noise.
There are gap K, wherein 5mm≤K≤30mm between the aerofoil fan 15 and the bottom wall 142 of lower carriage 14.This reality
It applies in example as 15 mm, the presence in heat dissipation gap is ensure that, convenient for air inducing.The advantages of this arrangement are as follows：Aerofoil fan 15 is under
The gap setting of stent 14, when K is less than 5mm, gap is too small, and aerofoil fan 15 is easily produced with the bottom wall of lower carriage 14 142
Raw interference, when K is more than 30mm, gap is excessive, leads to air inducing apart from elongated, radiating efficiency reduction.
It should be understood that the aerofoil fan 15 can also be arranged on the outside of motor, such as the lower section of lower carriage 14, lead to
It crosses setting separate cavities and the drainage that motor realizes wind direction is installed.
Embodiment three：
The present embodiment is to do following supplement on the basis of embodiment one and two：In order to ensure DC brushless motor heat dissipation more
Smooth, the present embodiment is vertical air inlet and the outlet from top to bottom, specifically, 13 top of the upper bracket is equipped with air inlet hole, it is described
The bottom of lower carriage 14 is equipped with exhaust vent 143, and heat dissipation wind channel is formed between the rotor and stator 11, and the aerofoil fan 15 will
Wind into air inlet hole is gone out after heat dissipation wind channel from exhaust vent 143.The advantages of this arrangement are as follows：By aerofoil fan 15 with
Air inlet hole and exhaust vent 143 are in same vertical heat dissipation channel so that in the motor course of work, the flow direction of wind does not turn from top to bottom
It is askew so that air circulation is unblocked to be hindered, and ensure that the timely heat dissipation of motor in high-speed rotation process, so as to fulfill for a long time
High speed rotation improves the degradation rate of food processor, ensure that the lasting high speed operation environment of food processor.
The upper end of the stator 11 and 13 airtight connection of upper bracket, lower end and the 14 closed company of lower carriage of the stator 11
It connects.Airtight connection referred to refers to motor in high speed processes, ensures that wind hardly enters from the gap of the two, ensures
Above-mentioned vertical air inlet outlet air, halfway without the importing of other wind, not refers to that the state that water can not all flow into is absolutely sealed.
The advantages of this arrangement are as follows：Pass through the airtight connection of stator 11 and upper bracket 13 and lower carriage 14 so that heat dissipation wind channel is formed
One closed air duct complete from top to bottom, halfway without the introducing of wind so that heat dissipation it is more smooth, the flow velocity of wind faster,
So as to further ensure heat dissipation effect, ensure operation of the food processor in high speed operation environment.
Upper shaft hole 131 is equipped at the center of the upper bracket 13, the upper end of the motor shaft 121 is mounted on the upper shaft hole
In 131, air inlet hole is multiple, and is set evenly around the upper shaft hole 131.The advantages of this arrangement are as follows：By it is multiple into
The setting of air holes, under the premise of motor installation smoothly is ensured, high efficiency and heat radiation significantly improves, and is entered the wind by more air inlet holes, ensures
It enters the wind flow to maximize, the maximum quantity of wind flowing being easy to implement in motor space.
The upper bracket 13 includes the support panel 133 positioned at side and the axial plane plate 134 positioned at center, axial plane plate 134
Interior to be equipped with the upper shaft hole 131, the axial plane plate 134 is set higher than the support panel 133, the axial plane plate 134 and stent
Panel 133 is connected by multiple dowels 135, and multiple dowels 135 form the air inlet hole between each other.What is set in this way is good
Be in：By the support panel 133 of high low setting and the setting of axial plane plate 134, air inlet hole is formed, so that air inlet hole is
The air inlet hole being obliquely installed expands the area of air inlet hole, improves radiating efficiency, have also been enlarged axial plane plate 134 and rotor it
Between distance so that air inlet hole site air intake efficiency maximize.
Lower shaft hole 144 is equipped at the center of the lower carriage 14, the bottom end of the motor shaft 121 is mounted on the lower shaft hole
In 144, exhaust vent 143 is multiple, and is set evenly around the lower shaft hole 144.
Such as Figure 11, shown in Figure 12, the engine base 2 includes bottom cover 21, and bottom cover 21 is equipped with air inlet 22 and air outlet 23, line
Road plate 8 is arranged on the top of air inlet 22, and wind goes out after the entrance of air inlet 22 after the heat dissipation channel in motor from air outlet 23
It goes, wiring board is equipped with cooling fin 9.The advantages of this arrangement are as follows：Since wiring board is arranged on the top of air inlet 22 so that
Wiring board is just first passed through during air inlet, ensure that the heat dissipation of wiring board, and will not be polluted by the wind after motor radiating
Problem, so as to ensure that the stabilization of wiring board, and aerofoil fan 15 has also been diffused into the heat dissipation path of wiring board, ensure that scattered
Thermal effect it is best.The lower section of the motor is equipped with taper wind output channel 10, is upwardly extended by 21 upper end of bottom cover and forms a cone
Between shape boss, the inclined-plane of cone boss and the angle of vertical direction are 45 ~ 75 degree, cone boss forms institute with motor installation cavity
State taper wind output channel.The advantages of this arrangement are as follows：Pass through the setting of taper wind output channel so that handle through aerofoil fan 15
Wind afterwards forms the drainage toward surrounding when close to bottom cover 21, prevents vertical air draft from directly being reflected by bottom cover 21 or desktop
Back, radiating efficiency is improved.21 edge of bottom cover up extends to form a motor installation cavity, and the motor is mounted on described
In motor installation cavity, the edge of the upper bracket 13 is ridden upon in motor installation cavity.This ensure that the installation of motor, also allows for
The drainage in air duct.
As described above, the only preferred embodiment of the utility model is not used for limiting the reality of the utility model
Apply range, i.e., all equivalent changes and modifications made according to the utility model are all that the utility model claims range is covered,
Here it no longer illustrates one by one.
Claims (10)
1. a kind of food processor to operate steadily, including the engine base with motor, the stirring cup being connect with engine base, set on stirring
Crushing knife in cup, the stirring cup are removably mounted on engine base, and the stirring cup includes cup body and cup lid, and the motor drives
Dynamic crushing knife rotation, which is characterized in that the motor is DC brushless motor, and the motor includes stator, rotor, is arranged on and determines
The upper bracket of sub- top and the lower carriage being arranged below stator, the rotor include the motor shaft positioned at center, are arranged on electricity
Rotor core on arbor and the magnetic shoe being arranged on the outside of rotor core are arranged with balancing frame, the motor on the motor shaft
Highest load speed be 12000 ~ 30000r/min.
2. food processor according to claim 1, which is characterized in that the balancing frame includes being set in motor shaft upper end
Upper balancing frame, the upper balancing frame is located above rotor core.
3. food processor according to claim 1 or 2, which is characterized in that the balancing frame includes being set in motor shaft
The lower balancing frame of lower end, the lower balancing frame are located at below rotor core.
4. food processor according to claim 1, which is characterized in that the cyclic annular knot with through-hole centered on the balancing frame
Structure, the balancing frame are equipped with multiple counterweight tanks, counterweight glue are equipped in the counterweight tank.
5. food processor according to claim 4, which is characterized in that the counterweight tank is radially disposed on flat
It weighs on disk, fastening teeth is equipped in the counterweight tank.
6. food processor according to claim 2, which is characterized in that the upper balancing frame is equipped with multiple upper counterweights
Slot, the upper counterweight tank is recessed downwards by the top surface of upper balancing frame to be formed.
7. food processor according to claim 3, which is characterized in that the lower balancing frame is equipped with multiple lower counterweights
Slot, the lower counterweight tank is recessed upwards by the bottom surface of lower balancing frame to be formed.
8. food processor according to claim 3, which is characterized in that the periphery of the lower balancing frame is equipped with axis stream wind
Fan, the aerofoil fan are integrally formed with the lower balancing frame.
9. food processor according to claim 4, which is characterized in that be radially equipped at intervals on the balancing frame
Multiple spacer rings form the counterweight tank between the multiple spacer ring.
10. food processor according to claim 1, which is characterized in that the balancing frame be vinyl disc, the balancing frame
Thickness for L, the mm of wherein 5mm≤L≤12；The outer diameter D 1 of the balancing frame is less than the internal diameter D2 of the stator, wherein 1 mm≤
D2-D1≤6 mm；Motor control panel is additionally provided on the motor, the motor control panel is arc-shaped and is arranged on the outer of balancing frame
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523857.0U CN207506468U (en) | 2017-05-12 | 2017-05-12 | A kind of food processor to operate steadily |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523857.0U CN207506468U (en) | 2017-05-12 | 2017-05-12 | A kind of food processor to operate steadily |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772135A (en) * | 2018-07-31 | 2020-02-11 | 广东美的生活电器制造有限公司 | Food processor |
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2017
- 2017-05-12 CN CN201720523857.0U patent/CN207506468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772135A (en) * | 2018-07-31 | 2020-02-11 | 广东美的生活电器制造有限公司 | Food processor |
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