CN206216454U - Embedded brushless electric machine directly drives cutting machine - Google Patents
Embedded brushless electric machine directly drives cutting machine Download PDFInfo
- Publication number
- CN206216454U CN206216454U CN201621193056.4U CN201621193056U CN206216454U CN 206216454 U CN206216454 U CN 206216454U CN 201621193056 U CN201621193056 U CN 201621193056U CN 206216454 U CN206216454 U CN 206216454U
- Authority
- CN
- China
- Prior art keywords
- brushless electric
- electric machine
- machine
- aluminium alloy
- embedded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is related to field of power tools, discloses a kind of embedded brushless electric machine and directly drives cutting machine, including base and head, there is emery wheel, handle, aluminium alloy casing on head, and brushless electric machine is embedded in the aluminium alloy casing, and brushless electric machine directly drives emery wheel.Brushless electric machine is controlled by smart electronicses control device, realizes commutation, current protection, the speed considerations of motor stator.Motor Energy Efficiency Ratio reaches as high as 87 ﹪, and average energy-conservation is up to 50 more than ﹪.The non-carbonate spark of brushless electric machine, dynamical system sets up overload protection, prevents common AC series excited machine and causes burning machine phenomenon because of overload.Service life of a machine is conventional cutter more than 5 times.Brushless electric machine is directly embedded into that aluminium alloy casing inner volume is small, and motor stator is directly embedded into aluminium alloy casing, and heat dispersion is greatly improved.Smart electronicses are controlled, and improve stability, the security of cutting efficiency and motor rotation.
Description
Technical field
The utility model is related to field of power tools, more particularly to a kind of embedded brushless electric machine directly drives cutting machine.
Background technology
Cutting machine has with AC series excited machine as power in the market, drives emery wheel to enter through gear high magnification gear
Row cutting metal material.Another kind is asynchronous machine as power, is cut through the dynamic emery wheel of pulley drive deceleration strip.Hand over
, through gear high power speed change, noise is big during gear drive, and electric efficiency is low, and electric efficiency is only 50~55 ﹪ for stream series excited machine.And
Belt transmission is also easy to produce skidding influence rotating speed.It is therefore desirable to carry out scientific and technical innovation to existing cutting machine, change conventional metals
The constant history of cutting machine mechanical structure.
Utility model content
The defect that the utility model exists to prior art, there is provided a kind of mechanical structure innovation, easily manufactured, performance are excellent
Embedded brushless electric machine cutting machine more.Its cutting power is strong, the cutting moment of torque big, and the efficiency of embedded brushless electric machine is gone here and there from common
Swash the ﹪ of electric efficiency 50~55 can improve to 80~85 ﹪, while embedded brushless motor design reached small volume, it is lightweight,
Good heat dissipation, noise are low, specious effect.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals.
Embedded brushless electric machine directly drives cutting machine, including aluminium alloy casing, brushless electric machine insertion aluminium alloy casing.Brushless electricity
The smart electronicses control panel of machine is all hidden in aluminium alloy casing.Embedded brushless electric machine output is without gear drive, belt
Transmission, directly drives emery wheel.The output shaft of embedded brushless electric machine is fixedly connected emery wheel, i.e. electric-machine directly-driven emery wheel, and the rotating speed of emery wheel is just
It is the rotating speed of motor.Smart electronicses control device, realizes that alternating current is converted to direct current, controlled motor voltage, motor speed, negative
The compensation of voltage compensation and the motor speed reduction after load, overburden protection, it is ensured that the stability and work effect of cutting work
Rate.Smart electronicses control device, voltage compensation, motor speed compensation when the voltage of controlled motor, motor speed and load cutting,
Improve stability, the security of cutting efficiency and motor rotation.
Preferably, the embedded brushless electric machine directly drives cutting machine, motor is without special housing, motor and aluminium alloy
Casing integration, a part for aluminium alloy casing is also simultaneously motor case, compact conformation.Because aluminium alloy is a kind of good
Radiator, such integrative-structure makes motor sufficiently be radiated.
Preferably, smart electronicses control device is arranged in aluminium alloy casing.Smart electronicses control device, should be subject to
Good protection, it is also necessary to have good radiating condition.The design smart electronicses control device is arranged in aluminium alloy casing,
While by good protection, the electronic component of smart electronicses control device is fully radiated, reduce to the full extent
The fault rate of electronic component, increased service life.Its to by overload produce voltage drop and deceleration recompense voltage and
Shi Xiuzheng rotating speeds, enable motor smooth working.Meanwhile, smart electronicses control device devises maximum current protection, when load electricity
When stream exceedes design maximum electric current, it is protected by, motor is not burnt because overburden causes overheat.
Preferably, motor shaft outside (with respect to opposite side of emery wheel) installs fan blade, auxiliary heat dissipation effect is played.
Preferably, the circuit board of smart electronicses control device is divided into two pieces, it is attached separately in aluminium alloy casing.A part
Alternating current is converted into direct current, controls to protect with high current.Another part carries out electronic commutation to motor wound stator, makes
Strong magnet rotor produces rotary power.
Preferably, being equipped with anti-locking press button in operation handle, it is ensured that start safety.
The utility model as a result of above technical scheme, with significant technique effect.Motor Energy Efficiency Ratio highest can
Up to 87 ﹪, average energy-conservation is up to 50 more than ﹪.The non-carbonate spark of brushless electric machine, dynamical system sets up overload protection, prevents common friendship
Stream series excited machine causes burning machine phenomenon because of overload.Service life of a machine is conventional cutter more than 5 times.Brushless electric machine is directly embedded into aluminium
Alloy housing inner volume is small, and motor stator is directly embedded into aluminium alloy casing, and heat dispersion is greatly improved.Smart electronicses control dress
Put, voltage compensation, motor speed compensation, improve cutting efficiency and electricity when the voltage of controlled motor, motor speed and load cutting
Stability, the security of machine operating.
Brief description of the drawings
Fig. 1 is the utility model internal structure schematic diagram；
Fig. 2 is the utility model side structure schematic diagram.
In figure, 1, power line；2nd, handle；3rd, anti-locking press button；4th, switch；5th, smart electronicses control case lid；6th, protective cover；
7th, grinding wheel；8th, movable whorl piece；9th, screw rod；10th, screw handle；11st, base；12nd, aluminium alloy casing；13rd, motor stator；
14th, rare earth strong magnetic piece；15th, motor shaft；16th, fan blade；17th, electric motor end cap；18th, smart electronicses wiring board；19a, emery wheel clip plate；
19b, emery wheel outer plate；20th, pressing plate packing ring；21st, firm bolt；22nd, pressing plate is by circle；23rd, bearing.
Specific embodiment
The utility model is described in further detail with embodiment with reference to Fig. 1 and Fig. 2.
As depicted in figs. 1 and 2, embedded brushless electric machine directly drives cutting machine, including：Base and the head being hinged with base.
Head has aluminium alloy casing 12, handle 2, protective cover 6, grinding wheel 7.Have in aluminium alloy casing 12：The embedded brushless electric machine of one,
Brushless electric machine includes motor shaft 15, rare earth strong magnetic piece 14, motor stator 13, electric motor end cap 17, and there is fan blade in the outside of electric motor end cap 17
16, two pieces of smart electronicses wiring boards 18.There are smart electronicses to control case lid on casing 12.Motor shaft 15 is by pressing plate by circle 22, sand
Wheel clip plate 19a, emery wheel outer plate 19b, pressing plate packing ring 20 and the fixed emery wheel piece of fastening bolt 21.Cut with tradition on base 11
Machine equally has screw rod 9 and screw handle 10.The utility model device also includes that power line 1 is even pressed with the switch 4 on handle 2, opens
Control is closed by the Mechanical course of anti-locking press button 3.
The assembly technology that the embedded brushless electric machine directly drives cutting machine is as follows：
Bonding rare earth strong magnetic piece 14 on motor stator 13, motor shaft 15, motor shaft 15 is installed in A, aluminium alloy casing 12,
Load onto motor blower fan 15；
Two pieces of smart electronicses wiring boards 18 are installed in B, aluminium alloy casing 12, Electronic Control case lid 5 is installed again；
C, install on handle 2 and to be connected with switch 4 into power line, and switch leads are connected with smart electronicses wiring board 18
Connect；
D, protective cover 6 be arranged on aluminium alloy casing 12 on and aluminium alloy casing 12 be mounted in base 11 on fasten；
E, bearing 23 is loaded onto pressing plate by enclosing 22 on the aluminium alloy casing 12 again, be then loaded on emery wheel clip plate
19a, emery wheel 7, emery wheel outer plate 19b, put pressing plate packing ring 20, are finally fastened with fastening bolt 21；
Embedded brushless electric machine directly drives cutting machine operation principle：
Embedded brushless electric machine is directly driven cutting machine to plug in, anti-locking press button is pressed again by lower handle on handle
Switch connection power supply, smart electronicses control device starts to be opened, and after cutting machine grinding wheel is operated about 20 seconds, can be cut on request
Cut.
Embedded brushless electric machine directly drives cutting machine, and in cutting, protective cover can automatic lifting.The no-load speed of motor is for about
3900r/min, during cutting smart electronicses control device can automatic compensating rotational speed pressure drop.
The smart electronicses control device that overexerted during emery wheel cuts meeting automatic protection maximum controlling current, prevents electric current excessive
Motor is caused to burn out.
Perfect heat-dissipating in brushless electric machine insertion aluminium alloy casing, continuous work will not generate heat and shut down.
Preferable case study on implementation of the present utility model is the foregoing is only in a word.It is all according to the utility model scope made it is equal
Change, should all belong to covering scope of the present utility model.
Claims (6)
1. embedded brushless electric machine directly drives cutting machine, including base and head, there is emery wheel, handle, aluminium alloy casing on head, its
Characteristic is：Brushless electric machine is embedded in the aluminium alloy casing, and brushless electric machine directly drives emery wheel, and brushless electric machine is controlled to fill by smart electronicses
Put control.
2. embedded brushless electric machine as claimed in claim 1 directly drives cutting machine, it is characterised in that：Described brushless electric machine is without special
The housing of door, brushless electric machine is shell integrated with aluminium alloy, and a part for aluminium alloy casing is also simultaneously motor case.
3. embedded brushless electric machine as claimed in claim 1 or 2 directly drives cutting machine, it is characterised in that：Smart electronicses control dress
Put in aluminium alloy casing.
4. embedded brushless electric machine as claimed in claim 3 directly drives cutting machine, it is characterised in that：Described smart electronicses control
The circuit board of device is divided into two pieces, is attached separately in aluminium alloy casing.
5. embedded brushless electric machine as claimed in claim 1 or 2 directly drives cutting machine, it is characterised in that：The brushless electric machine
Motor shaft outside is provided with the fan blade of auxiliary heat dissipation.
6. embedded brushless electric machine as claimed in claim 1 or 2 directly drives cutting machine, it is characterised in that：It is equipped with the handle
Anti- locking press button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193056.4U CN206216454U (en) | 2016-10-27 | 2016-10-27 | Embedded brushless electric machine directly drives cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193056.4U CN206216454U (en) | 2016-10-27 | 2016-10-27 | Embedded brushless electric machine directly drives cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206216454U true CN206216454U (en) | 2017-06-06 |
Family
ID=58792924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621193056.4U Active CN206216454U (en) | 2016-10-27 | 2016-10-27 | Embedded brushless electric machine directly drives cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206216454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625175A (en) * | 2016-10-27 | 2017-05-10 | 浙江锋利工具制造有限公司 | Embedded brushless motor direct-drive cutting machine |
-
2016
- 2016-10-27 CN CN201621193056.4U patent/CN206216454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625175A (en) * | 2016-10-27 | 2017-05-10 | 浙江锋利工具制造有限公司 | Embedded brushless motor direct-drive cutting machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101214644B (en) | Frequency conversion electric tool | |
| EP2926647B1 (en) | Brushless chainsaw | |
| CN102285573B (en) | Permanent magnet synchronous traction machine with speed reducer | |
| AU2003264335A1 (en) | Supercharger coupled to a motor/generator unit | |
| CN101465574A (en) | Energy storage multi-power motor | |
| CN206216454U (en) | Embedded brushless electric machine directly drives cutting machine | |
| CN201766458U (en) | Car engine provided with double-fan axial-flow air cooling device | |
| CN106625175A (en) | Embedded brushless motor direct-drive cutting machine | |
| CN208608835U (en) | A kind of intermetallic composite coating driving motor | |
| CN205846905U (en) | Refrigerator car Rare Earth Permanent Magnet Synchronous Generator | |
| CN201140389Y (en) | Frequency conversion electric tool | |
| CN201805332U (en) | Electromagnetic braking three-phase asynchronous motor | |
| CN211440319U (en) | Direct-drive type alternating current-direct current chain saw | |
| CN213331630U (en) | Freezer fan | |
| CN202193524U (en) | Permanent magnet synchronous traction machine with speed reduction device | |
| CN201332325Y (en) | Energy-saving negative pressure generating device | |
| CN208316499U (en) | The dryer DC Brushless Motor of novel belt deceleration device | |
| CN111009995B (en) | Electric machine | |
| CN107294332A (en) | A kind of blower-pump load saves pole-changing multi-speed 3-phase asynchronous motor | |
| CN208316493U (en) | A kind of dryer DC Brushless Motor driving deceleration device with belt | |
| CN207069849U (en) | Blower-pump load saves pole-changing multi-speed 3-phase asynchronous motor | |
| CN207559792U (en) | A kind of kitchen ventilator motor convenient for heat dissipation | |
| CN2662524Y (en) | Composite rotor high starting torque induction motor | |
| CN207677542U (en) | A kind of motor easy to disassemble | |
| CN206575344U (en) | Control circuit and the motor with control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |