Speed reducer motor with bearing heat dissipation structure

Abstract

The utility model relates to the field of speed reducer motors, in particular to a speed reducer motor with a bearing heat dissipation structure, which comprises a motor main body. And the rotating shaft is arranged in the motor main body and is used for transmission. According to the speed reducer motor with the bearing heat dissipation structure, the bearing assembly and the fan blades are arranged, so that the heat dissipation effect of the bearing assembly can be improved, the use effect of the motor main body under the condition of high temperature is avoided, meanwhile, the service life is shortened, and noise is generated; in the rotating process of the copper ball cage between the inner bearing and the outer bearing, the steel balls make contact with the inner wall of the copper ball cage, heat generated by rotation is conducted to the copper ball cage, due to the fact that copper is high in heat conductivity, internal heat is dissipated, meanwhile, a flow guide plate is arranged in an inclined mode, and in the rotating process, the heat dissipation efficiency is improved. And the exchange between air in the inner bearing and the outer bearing and air in the surrounding environment is accelerated, so that the effect of rapid heat dissipation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of speed reducer motor, concretely relates to a speed reducer motor with bearing heat dissipation structure. BACKGROUND

[0002] Speed reducer motor refers to the integration of speed reducer and motor (motor), which is usually integrated and assembled by professional speed reducer manufacturers and then delivered as a complete set. It combines the electrical energy conversion function of motor and the speed reduction and torque increasing function of speed reducer, and is a common power transmission device in modern mechanical equipment.

[0003] The existing bearing outside the rotating shaft of the speed reducer motor is responsible for supporting and transmitting rotary force, and a large amount of heat is generated due to friction during the operation of the rotating shaft, resulting in a sharp rise in temperature. The high temperature environment can accelerate the wear and aging of the bearing, and even cause the bearing to be stuck or broken. The bearing in the existing speed reducer motor lacks a heat dissipation structure, and the high temperature of the bearing can affect the overall performance of the speed reducer motor. Due to the increased friction resistance of the bearing, the output torque and efficiency of the motor will be reduced, and the vibration and noise of the motor will also increase. In addition, the high temperature environment can also cause the aging of the insulation material inside the motor, increasing the risk of short circuit and burning of the motor.

[0004] Therefore, it is necessary to invent a speed reducer motor with bearing heat dissipation structure to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a kind of speed reducer motors with bearing heat dissipation structure, and copper ball cage between inner bearing and outer bearing is contacted in the rotating process, steel ball and copper ball cage inner wall, so that the heat generated by rotation is conducted copper ball cage, since copper has strong thermal conductivity, the heat inside is dissipated, while the air inside inner bearing and outer bearing and the air around environment are exchanged during rotation by the inclined arrangement of flow guide plate, to achieve the effect of rapid heat dissipation, while the rotating shaft drives the first gear of rear side to rotate in the rotating process, the second gear of upper and lower sides and the transmission rod and fan blade inside are rotated using the first gear rotation, so that the heat generated inside is discharged and dissipated, to solve the problem that the bearing outside the rotating shaft of the existing speed reducer motor is responsible for supporting and transmitting rotary force, and a large amount of heat is generated due to friction during the operation of the rotating shaft, resulting in a sharp rise in temperature. The high temperature environment can accelerate the wear and aging of the bearing, and even cause the bearing to be stuck or broken. The bearing in the existing speed reducer motor lacks a heat dissipation structure, and the high temperature of the bearing can affect the overall performance of the speed reducer motor. Due to the increased friction resistance of the bearing, the output torque and efficiency of the motor will be reduced, and the vibration and noise of the motor will also increase. In addition, the high temperature environment can also cause the aging of the insulation material inside the motor, increasing the risk of short circuit and burning of the motor.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a speed reducer motor with bearing heat dissipation structure, including motor main part,

[0007] Rotary shaft is arranged in the motor main part inside, for transmission, the outside rear side of rotary shaft is fixedly connected with first gear, the upper and lower side of first gear is engagedly connected with second gear, the inside of second gear is fixedly connected with transmission rod, the outside of transmission rod is fixedly connected with fan blade, the outside of motor main part is inlayed with first dustproof net, the output end of motor main part is fixedly connected with speed reducer main part,

[0008] Bearing assembly is sleeved in the outside of rotary shaft, for supporting transmission rotation, the bearing assembly includes inner bearing, the inner bearing is rotatably connected with copper ball cage, the inside of copper ball cage is inlayed with steel ball, the outside of copper ball cage is fixedly connected with guide plate, the outside of copper ball cage is sleeved with outer bearing,

[0009] Heat dissipation mechanism is installed in the outside of speed reducer main part, for heat dissipation.

[0010] Preferably, the material of copper ball cage is copper, the guide plate is distributed in the outside of copper ball cage, and the guide plate is arranged obliquely.

[0011] Preferably, the second gear is provided with two groups, and the two groups of second gears are rotatably connected with the inside of motor main part.

[0012] Preferably, the fan blade is provided with two groups, and the two groups of fan blades are arranged on the upper and lower sides of rotary shaft respectively.

[0013] Preferably, the heat dissipation mechanism includes a mounting frame, the mounting frame is screw-connected on the outside of speed reducer main part, and heat dissipation fans are fixedly arranged on the inside of mounting frame.

[0014] Preferably, the inner wall of mounting frame is inlayed with a frame, and the inside of frame is provided with a second dustproof net.

[0015] In the above technical scheme, the utility model provides technical effect and advantage:

[0016] 1、Through the setting of the bearing assembly and the fan blade, the heat dissipation effect of the bearing assembly can be improved, the use effect of the motor body under high temperature is avoided, the service life and noise are reduced, and the copper ball cage between the inner bearing and the outer bearing contacts the inner wall of the steel ball and the copper ball cage in the rotating process, the heat generated by rotation is conducted to the copper ball cage, the heat inside is dissipated due to the strong thermal conductivity of copper, and the air inside the inner bearing and the outer bearing is exchanged with the air around the environment in the rotating process, so that the effect of rapid heat dissipation is achieved, and the first gear at the rear side is driven to rotate by the rotating shaft in the rotating process, the second gear on the upper side and the second gear on the lower side are driven to rotate by the first gear, and the transmission rod and the fan blade inside are rotated, so that the heat generated inside is discharged and dissipated.

[0017] 3、Through the setting of the reducer body and the heat dissipation mechanism, the heat dissipation treatment of the inside of the reducer body can be effectively carried out, the mounting frame is installed on the outer side of the reducer body, the heat dissipation fan inside the mounting frame is communicated with the inside of the reducer body, and the heat dissipation treatment of the inside is effectively carried out. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the motor body structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the outer structure of the shaft of the utility model;

[0022] Figure 4 It is a schematic diagram of the bearing assembly structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the reducer body structure of the utility model.

[0024] Explanation of reference signs:

[0025] 1, motor body; 2, shaft; 3, bearing assembly; 301, inner bearing; 302, copper ball cage; 303, steel ball; 304, guide plate; 305, outer bearing; 4, first gear; 5, second gear; 6, transmission rod; 7, fan blade; 8, first dust screen; 9, reducer body; 10, heat dissipation mechanism; 1001, mounting bracket; 1002, heat dissipation fan; 1003, frame; 1004, second dust screen. DETAILED DESCRIPTION

[0026] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be introduced in further detail below with reference to the drawings.

[0027] The utility model provides a kind of reducer motor with bearing heat dissipation structure as shown in Figures 1-5 The utility model provides a kind of reducer motor with bearing heat dissipation structure as shown in

[0028] Shaft 2 is arranged inside motor body 1, for transmission, the outer rear side of shaft 2 is fixedly connected with first gear 4, the upper and lower sides of first gear 4 are engagedly connected with second gear 5, the inside of second gear 5 is fixedly connected with transmission rod 6, the outside of transmission rod 6 is fixedly connected with fan blade 7, the outside of motor body 1 is embedded with first dust screen 8, the output end of motor body 1 is fixedly connected with reducer body 9;

[0029] Bearing assembly 3 is sleeved on the outside of shaft 2, for supporting transmission rotary force, bearing assembly 3 includes inner bearing 301, inner bearing 301 is rotatably connected with copper ball cage 302, the inside of copper ball cage 302 is embedded with steel ball 303, the outside of copper ball cage 302 is fixedly connected with guide plate 304, the outside of copper ball cage 302 is sleeved with outer bearing 305;

[0030] Heat dissipation mechanism 10 is installed on the outside of reducer body 9, for heat dissipation, through copper ball cage 302 between inner bearing 301 and outer bearing 305 in the process of rotation, steel ball 303 is in contact with the inner wall of copper ball cage 302, so that the heat generated by rotation is conducted to copper ball cage 302, because copper has strong thermal conductivity, the internal heat is dissipated, while the guide plate 304 is arranged in an inclined manner, in the process of rotation, the air inside inner bearing 301 and outer bearing 305 is exchanged with the air around the environment, thereby achieving the effect of rapid heat dissipation, while shaft 2 drives rear first gear 4 to rotate in the process of rotation, the rotation of first gear 4 drives the rotation of second gear 5 on the upper and lower sides and transmission rod 6 and fan blade 7 inside, so that the heat generated inside is discharged and dissipated.

[0031] As shown in Figure 2 、 Figure 3 and Figure 4As shown, the copper ball cage 302 is made of copper, and the flow guide plates 304 are evenly distributed outside the copper ball cage 302. The flow guide plates 304 are inclined, and the heat generated by the rotation of the steel balls 303 is conducted to the copper ball cage 302 through the contact between the steel balls 303 and the inner wall of the copper ball cage 302. Because copper has strong thermal conductivity, the internal heat is dissipated, and the air inside the inner bearing 301 and the outer bearing 305 exchanges with the outside air through the flow guide plates 304, achieving the effect of heat dissipation.

[0032] As shown in Figure 3 The second gear 5 is provided with two groups, and the two groups of second gears 5 are rotatably connected to the inner side of the motor body 1. When the shaft 2 rotates, the rear first gear 4 is driven to rotate, and the first gear 4 is engaged with the second gear 5 to drive the second gear 5 to rotate, and the second gear 5 is rotatably connected to the inner side of the motor body 1, which enhances the stability of the second gear 5 during rotation.

[0033] As shown in Figure 2 and Figure 3 The fan blades 7 are provided with two groups, and the two groups of fan blades 7 are arranged on the upper and lower sides of the shaft 2. The fan blades 7 are driven to rotate by the engagement of the first gear 4 and the second gear 5, and the fan blades 7 are provided with two groups to enhance the heat dissipation effect of the inner side of the motor body 1 and the bearing assembly 3.

[0034] As shown in Figure 1 and Figure 5 The heat dissipation mechanism 10 includes a mounting bracket 1001, which is screw-connected to the outer side of the speed reducer body 9. The inner sides of the mounting bracket 1001 are fixedly provided with heat dissipation fans 1002. The mounting bracket 1001 is installed on the outer side of the speed reducer body 9, and the heat dissipation fans 1002 in the mounting bracket 1001 communicate with the inside of the speed reducer body 9, thereby effectively dissipating heat inside.

[0035] As shown in Figure 5 The inner wall of the mounting bracket 1001 is inlaid with a frame 1003, and the inside of the frame 1003 is provided with a second dust screen 1004. The second dust screen 1004 effectively blocks dust particles during the heat dissipation process of the heat dissipation fan 1002, preventing dust particles from entering the speed reducer body 9.

[0036] The utility model discloses a bearing heat dissipation structure's reduction gear motor, it includes motor main body 1, reduction gear main body 9, bearing assembly 3, first gear 4, second gear 5, transmission rod 6, fan blade 7 and mounting bracket 1001, its characterized in that: the motor main body 1 is connected with the reduction gear main body 9, and the reduction gear main body 9 is connected with the bearing assembly 3, and the bearing assembly 3 is connected with the first gear 4, and the first gear 4 is connected with the second gear 5, and the second gear 5 is connected with the transmission rod 6, and the transmission rod 6 is connected with the fan blade 7, and the mounting bracket 1001 is connected with the reduction gear main body 9.

[0037] The utility model discloses a bearing heat dissipation structure's reduction gear motor, it includes motor main body 1, reduction gear main body 9, bearing assembly 3, first gear 4, second gear 5, transmission rod 6, fan blade 7 and mounting bracket 1001, its characterized in that: the motor main body 1 is connected with the reduction gear main body 9, and the reduction gear main body 9 is connected with the bearing assembly 3, and the bearing assembly 3 is connected with the first gear 4, and the first gear 4 is connected with the second gear 5, and the second gear 5 is connected with the transmission rod 6, and the transmission rod 6 is connected with the fan blade 7, and the mounting bracket 1001 is connected with the reduction gear main body 9.

Claims

1. A reducer motor having a bearing heat dissipation structure, characterized by: The utility model relates to a motorized fan, including motor body (1); Rotary shaft (2) is arranged in the inside of motor body (1), is used for transmission, the outside rear side of rotary shaft (2) is fixedly connected with first gear (4), the upper and lower side of first gear (4) is engagedly connected with second gear (5), the inside of second gear (5) is fixedly connected with transmission rod (6), the outside of transmission rod (6) is fixedly connected with fan blade (7) evenly, the outside of motor body (1) is inlaid with first dust screen (8), the output of motor body (1) is fixedly connected with reducer body (9); Bearing assembly (3) is sleeved in the outside of rotary shaft (2), is used for supporting transmission rotary force, bearing assembly (3) includes inner bearing (301), inner bearing (301) is rotatably connected with copper ball cage (302), the inside of copper ball cage (302) is inlaid with steel ball (303), the outside of copper ball cage (302) is fixedly connected with guide vane (304) evenly, the outside of copper ball cage (302) is sleeved with outer bearing (305); Heat dissipation mechanism (10) is installed in the outside of reducer body (9) and is used for heat dissipation.

2. The reducer motor with bearing heat dissipation structure according to claim 1, characterized in that: The material of copper ball cage (302) is copper, the guide vane (304) is evenly distributed in the outside of copper ball cage (302), and the guide vane (304) is arranged obliquely.

3. The reducer motor with bearing heat dissipation structure according to claim 1, characterized in that: The second gear (5) is provided with two groups, and the two groups of second gears (5) are rotatably connected with the inner side of motor body (1).

4. The gear motor with bearing heat dissipation structure according to claim 1, characterized in that: The fan blade (7) is provided with two groups, and the two groups of fan blades (7) are arranged on the upper and lower sides of rotary shaft (2) respectively.

5. The gear motor with bearing heat dissipation structure according to claim 1, characterized in that: The heat dissipation mechanism (10) includes a mounting bracket (1001), the mounting bracket (1001) is threadedly connected to the outside of the reducer body (9), and the heat dissipation fans (1002) are fixedly arranged on the inner sides of the mounting bracket (1001).

6. The gear motor with bearing heat dissipation structure according to claim 5, characterized in that: The inner wall of the mounting bracket (1001) is inlaid with a frame (1003), and the second dust screen (1004) is arranged in the frame (1003).

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