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CN-224218228-U - Brushless motor and thicknesser adopting same

CN224218228UCN 224218228 UCN224218228 UCN 224218228UCN-224218228-U

Abstract

The application relates to the technical field of wood processing equipment, in particular to a brushless motor and a thicknesser adopting the same, wherein the brushless motor comprises a motor shell, a motor shaft and a machine core connected with the motor shaft, wherein the machine core consists of a rotor and a stator, one end of the motor shell is connected with an electric control device, the other end of the motor shaft is connected with a reduction gearbox, one end of the motor shaft extends into the shell of the electric control device, the other end of the motor shaft penetrates through a cooling fan and is connected with the reduction gearbox, an air outlet is formed in the side wall of the motor shell, the rotating motor shaft drives the cooling fan to rotate, air is sucked through a cooling grille at the end part of the electric control device, and the air flows to the air outlet along the axial direction of the motor shaft and is discharged. The application improves the heat radiation efficiency of the brushless motor, greatly reduces the possibility of overheat damage of the brushless motor in the working process, and has the advantages of high efficiency, long service life, low maintenance, excellent speed regulation performance and precision, low noise, low interference and the like.

Inventors

  • YU FEI
  • ZHOU BING
  • SUN LIYI
  • HOU DAWEI
  • SUN JIAN
  • LIU XU

Assignees

  • 威海奥文机电科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250408

Claims (9)

  1. 1. The utility model provides a brushless motor, includes motor casing (30), motor shaft (32) and with core (33) that motor shaft (32) are connected, core (33) are constituteed its characterized in that by rotor and stator: One end of the motor shell (30) is connected with an electric control device (31), the other end of the motor shell is connected with a reduction gearbox (39), one end of the motor shaft (32) extends into the shell of the electric control device (31), the other end of the motor shaft passes through the cooling fan (34) and then is connected with the reduction gearbox (39), an air outlet (36) is formed in the side wall of the motor shell (30), the motor shaft (32) rotates to drive the cooling fan (34) to rotate, air is sucked through a cooling grid at the end of the electric control device (31), and the sucked air flows to the air outlet (36) along the axial direction of the motor shaft (32) to be discharged.
  2. 2. A brushless motor as claimed in claim 1, wherein: The inner cavity of the electric control device (31) is communicated with the cavity of the motor shell (30), and the radiator (37) of the electric control device (31) extends along the circumferential direction of the motor shaft (32) and is arranged towards the motor shaft (32); Under the action of the cooling fan (34), air is sucked through a cooling grid at the end part of the electric control device (31), sequentially passes through the radiator (37) and a vent of the motor shell (30), passes through the middle of a rotor and a stator of the movement (33), flows to the air outlet (36) and is discharged.
  3. 3. A brushless motor as claimed in claim 1, wherein: The air outlet (36) is arranged at one end of the motor shell (30) adjacent to the reduction gearbox (39), and the cooling fan (34) is an axial flow fan.
  4. 4. A brushless motor as claimed in claim 1, wherein: one end of the motor shaft (32) extends to pass through the electric control device (31), and the end is provided with threads.
  5. 5. A thicknesser employing such a brushless motor, comprising a brushless motor (3) as claimed in any one of claims 1 to 4, characterized in that: The cutter shaft mechanism (4) is further included, the threaded interface end of the motor shaft (32) drives the cutter shaft mechanism (4) to rotate through a first transmission mechanism (71), and a planing tool which rotates around the cutter shaft mechanism (4) for cutting is arranged on the outer surface of the cutter shaft mechanism (4).
  6. 6. The thicknesser employing the brushless motor as described in claim 5, wherein: The workpiece feeding device is characterized by further comprising a workpiece feeding mechanism (5), wherein the other end of the motor shaft (32) is used for transmitting power outwards through the reduction gearbox (39), the output end of the reduction gearbox (39) is used for driving the workpiece feeding mechanism (5) to rotate through a second transmission mechanism (72), and the workpiece feeding mechanism (5) is arranged on the inlet side or the outlet side of the cutter shaft mechanism (4).
  7. 7. The thicknesser employing the brushless motor as claimed in claim 6, wherein: The number of the workpiece feeding mechanisms (5) is two, and the two workpiece feeding mechanisms (5) are arranged in parallel along the feeding direction of the materials and are respectively arranged at the feeding end and the discharging end of the cutter shaft mechanism (4).
  8. 8. The thicknesser employing the brushless motor as claimed in claim 6, wherein: And a chip clearance is arranged between any workpiece feeding mechanism (5) and the cutter shaft mechanism (4), the two chip clearances are communicated, and the chip clearance on one side is arranged below the air outlet (36).
  9. 9. The thicknesser employing the brushless motor as described in claim 5, wherein: The dust collection device further comprises a dust collection cover (6), wherein the dust collection cover (6) is connected to the side face of the air outlet (36), an air inlet is formed in the dust collection cover (6), and the air inlet of the dust collection cover (6) corresponds to the air outlet (36).

Description

Brushless motor and thicknesser adopting same Technical Field The application relates to the technical field of wood processing equipment, in particular to a brushless motor and a thicknesser adopting the brushless motor. Background The thicknesser is an indispensable instrument in the work of processing timber, and it not only can be fast, plane the timber surface smoothly, can also adjust the thickness of planing according to the processing demand, satisfies diversified timber processing requirement. In the prior art, the thicknesser is mainly driven by a brush motor to rotate by a rotary planer shaft and a compression roller which are transversely parallel, and is matched with a lifting working surface and a feeding device to realize wood processing, wherein the brush motor is relatively low in price, quick in starting, timely in braking, stable in speed regulation, simple in control structure and the like, and is widely applied to the thicknesser, but the brush motor also has the defects of high noise, easy heating and relatively short service life when in operation, and a carbon brush is used as a loss product and needs to be replaced periodically. Therefore, a novel structure of the thicknesser is needed, and long-acting high-performance operation can be realized. Disclosure of utility model The application aims to provide a brushless motor and a thicknesser adopting the brushless motor, so as to solve the problems of general performance, short service life, high noise and the like of thicknesser adopting a brush motor in the prior art. The embodiment of the application can be realized by the following technical scheme: The brushless motor comprises a motor shell, a motor shaft and a machine core connected with the motor shaft, wherein the machine core consists of a rotor and a stator; One end of the motor shell is connected with an electric control device, the other end of the motor shell is connected with a reduction gearbox, one end of the motor shaft extends into the shell of the electric control device, the other end of the motor shaft penetrates through the cooling fan and then is connected with the reduction gearbox, an air outlet is formed in the side wall of the motor shell, the motor shaft rotates to drive the cooling fan to rotate, air is sucked through the cooling grid at the end part of the electric control device, and the sucked air flows to the air outlet along the axial direction of the motor shaft and is discharged. Further, the inner cavity of the electric control device is communicated with the cavity of the motor shell, and the radiator of the electric control device extends along the circumferential direction of the motor shaft and is arranged towards the motor shaft; Under the action of the cooling fan, air is sucked through the cooling grating at the end part of the electric control device, sequentially passes through the radiator and the ventilation opening of the motor shell, passes through the middle of the rotor and the stator of the movement, flows to the air outlet and is discharged. Further, the air outlet is arranged at one end, adjacent to the reduction gearbox, of the motor shell, and the cooling fan is an axial flow fan. Further, one end of the motor shaft extends to pass through the electric control device, and the end is provided with threads. The application also provides a thicknesser adopting the brushless motor, which comprises the brushless motor; The cutter shaft mechanism is driven by the threaded interface end of the motor shaft through a first transmission mechanism to rotate, and a planing tool which rotates around the cutter shaft mechanism for cutting is arranged on the outer surface of the cutter shaft mechanism. Further, the cutter shaft mechanism further comprises a workpiece feeding mechanism, the other end of the motor shaft transmits power outwards through the reduction gearbox, the output end of the reduction gearbox drives the workpiece feeding mechanism to rotate through the second transmission mechanism, and the workpiece feeding mechanism is arranged on the inlet side or the outlet side of the cutter shaft mechanism. Further, the number of the workpiece feeding mechanisms is two, and the two workpiece feeding mechanisms are arranged in parallel along the feeding direction of the materials and are respectively arranged at the feeding end and the discharging end of the cutter shaft mechanism. Further, a chip clearance is arranged between any workpiece feeding mechanism and the cutter shaft mechanism, the two chip clearances are communicated, and the chip clearance on one side is arranged below the air outlet. Further, the dust collecting device further comprises a dust collecting cover, the dust collecting cover is connected to the side face of the air outlet, an air inlet is formed in the dust collecting cover, and the air inlet of the dust collecting cover corresponds to the air outlet. The brushless motor and the thicknesser adopting the brus