Heat dissipation type harmonic speed reducer

Abstract

The utility model discloses a heat dissipation type harmonic speed reducer, relates to the technical field of speed reducers, and aims to solve the problem that part of traditional harmonic speed reducers do not have good heat dissipation performance. According to the technical scheme, the speed reducer comprises a driving motor and a speed reducer body in transmission connection with the driving motor, the speed reducer body comprises a shell, heat dissipation grooves which are distributed in the circumferential direction and consistent with the shell in length direction are formed in the outer wall of the shell, and an auxiliary heat dissipation part penetrating into the heat dissipation grooves is fixedly connected to the shell. Through the arrangement of the structure, the overall heat dissipation performance and the use stability of the speed reducer are enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, and more specifically, to a heat dissipation type harmonic reducer. Background Art

[0002] Harmonic reducer is a gear transmission device that meets the needs of various working machines by reducing speed and increasing torque.

[0003] The use of reducers in industrial production activities is very common. Harmonic reducers are usually used in the field of industrial robots. Traditional harmonic reducers usually have some shortcomings when in use. One of them is that some harmonic reducers usually do not have good heat dissipation performance when in use. If the harmonic reducer fails to obtain sufficient heat dissipation, it will accelerate the aging and damage of the harmonic reducer, making the use cost and maintenance cost higher. Therefore, a structure is set to solve the problem that some traditional harmonic reducers do not have good heat dissipation performance.

[0004] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a heat dissipation type harmonic reducer.

[0006] The above technical purpose of the present utility model is achieved through the following technical solutions: the heat dissipation type harmonic reducer includes a drive motor and a reducer body connected to the drive motor in a transmission manner, the reducer body includes a shell, the outer wall of the shell is provided with heat dissipation grooves distributed circumferentially and consistent with the length direction thereof, and the shell is fixedly connected to an auxiliary heat dissipation part that penetrates into several heat dissipation grooves.

[0007] The utility model is further configured as follows: the opening of the heat dissipation groove is away from the central axis of the shell, and the inner bottom surface of the heat dissipation groove facing the opening is configured as an arc surface.

[0008] The utility model is further configured as follows: the auxiliary heat dissipation portion includes an arc-shaped heat-conducting plate for covering the notch of the heat dissipation slot, an air inlet is arranged between the arc-shaped heat-conducting plate and the shell on the side away from the drive motor, an air outlet is arranged between the arc-shaped heat-conducting plate and the shell on the side close to the drive motor, a first air guide ring tube connecting several air inlets is fixedly connected to the shell on the side away from the drive motor, and the first air guide ring tube is connected to a first air inlet pipe.

[0009] The utility model is further configured as follows: a second air guide ring tube is fixedly connected to the first air guide ring tube away from the side of the shell, the second air guide ring tube is connected to a plurality of air guide tubes that respectively pass through the heat dissipation groove, the air guide tube is provided with a plurality of air outlet holes facing the bottom surface of the heat dissipation groove, the plurality of air outlet holes are distributed in an array along the length direction of the air guide tube, and the second air guide ring tube is connected to a second air inlet pipe.

[0010] The utility model is further configured as follows: a blocking piece for blocking the pipe opening is fixed at the pipe opening of the air guide pipe away from the side of the second air guide ring pipe.

[0011] The utility model is further configured as follows: a heat insulation coating is provided on the outer wall of the air guide tube.

[0012] The utility model is further configured as follows: the air guide tube and the arc-shaped heat conducting plate are both configured as copper alloy.

[0013] In summary, the present invention has the following beneficial effects:

[0014] The first air guide ring tube is connected to a first air intake pipe, which is connected to an external air source through an air delivery pipe. The flowing gas generated by the external air source is sent into the first air intake pipe, and the flowing air enters the first air guide ring tube through the first air intake pipe. Under the guidance of the first air guide ring tube, the flowing air enters the heat dissipation groove from the air intake port, so that the flowing air flows through the arc-shaped heat conducting plate and the shell, thereby realizing stable heat exchange between the flowing air and the shell and the arc-shaped heat conducting plate, thereby realizing stable heat dissipation of the entire structure. Under the guidance of the heat dissipation groove and the arc-shaped heat conducting plate, the air that has completed the heat exchange flows out of the heat dissipation groove from the air outlet, and the inner bottom surface of the heat dissipation groove is set to a curved surface, so that the process of the flowing air flowing through the heat dissipation groove is more stable and smooth. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a cross-sectional view of the utility model Figure 1 ;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0019] Figure 5 This is a cross-sectional view of the utility model Figure 2 ;

[0020] Figure 6 for Figure 5 Enlarged view of point C in the middle.

[0021] In the figure: 1. Drive motor; 2. Reducer body; 3. Housing; 4. Heat dissipation groove; 5. Arc-shaped heat conducting plate; 6. Air inlet; 7. Air outlet; 8. First air guide ring pipe; 9. First air inlet pipe; 10. Second air guide ring pipe; 11. Air guide pipe; 12. Air outlet; 13. Second air inlet pipe; 14. Sealing plate. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0023] The heat dissipation type harmonic reducer, such as Figure 1-Figure 3 As shown, it includes a drive motor 1 and a reducer body 2 that is transmission-connected to the drive motor 1. The reducer body 2 includes a shell 3. The outer wall of the shell 3 is provided with heat dissipation grooves 4 that are circumferentially distributed and consistent with the length direction thereof. The heat dissipation grooves 4 are provided to increase the contact area between the outer surface of the shell 3 and the air, so that the heat dissipation performance of the shell 3 and the reducer body 2 is better. An auxiliary heat dissipation part that passes through several heat dissipation grooves 4 is fixedly connected to the shell 3. The auxiliary heat dissipation performance of the auxiliary heat dissipation part is used to enhance the heat dissipation stability of the shell 3 and the reducer body 2 as a whole, thereby ensuring better stability and service life of the overall structure.

[0024] like Figure 2-Figure 6 As shown, the opening of the heat dissipation groove 4 is away from the central axis of the shell 3, and the inner bottom surface of the heat dissipation groove 4 facing its opening is set to an arc surface. The auxiliary heat dissipation part includes an arc-shaped heat conducting plate 5 for covering the notch of the heat dissipation groove 4. The arc-shaped heat conducting plate 5 and the shell 3 are fixed by welding. An air inlet 6 is surrounded by the arc-shaped heat conducting plate 5 and the shell 3 on the side away from the drive motor 1. An air outlet 7 is surrounded by the arc-shaped heat conducting plate 5 and the shell 3 on the side close to the drive motor 1. A first air guide ring pipe 8 connected to several air inlets 6 is fixedly connected to the shell 3 on the side away from the drive motor 1. The first air guide ring pipe 8 is connected to a first air inlet pipe 9, and the first air inlet pipe 9 is connected to an external air source through an air supply pipe. The flowing gas generated by the external air source is connected, and the flowing gas is sent to the first air inlet pipe 9, and the flowing air enters the first air guide ring pipe 8 through the first air inlet pipe 9. Under the guidance of the first air guide ring pipe 8, the flowing air enters the heat dissipation groove 4 from the air inlet 6, so that the flowing air will flow through the arc-shaped heat conducting plate 5 and the shell 3, thereby realizing stable heat exchange between the flowing air and the shell 3 and the arc-shaped heat conducting plate 5, and then realizing stable heat dissipation of the entire structure. Under the guidance of the heat dissipation groove 4 and the arc-shaped heat conducting plate 5, the air that has completed the heat exchange flows out of the heat dissipation groove 4 from the air outlet 7, and the inner bottom surface of the heat dissipation groove 4 is set to a curved surface, so that the process of the flowing air flowing through the heat dissipation groove 4 is more stable and smooth.

[0025] like Figure 2-Figure 6As shown, a second air guide ring tube 10 is fixedly connected to the first air guide ring tube 8 on the side away from the housing 3 by means of an adhesive. The second air guide ring tube 10 is connected to a plurality of air guide tubes 11 that respectively pass through the heat dissipation groove 4. The air guide tubes 11 are provided with a plurality of air outlet holes 12 facing the inner bottom surface of the heat dissipation groove 4. The second air guide ring tube 10 is connected to a second air inlet pipe 13. The second air inlet pipe 13 is connected to the external air source through an air delivery pipe. The flowing gas generated by the external air source enters the second air guide ring tube 10 through the second air inlet pipe 13. Under the guidance of the second air guide ring tube 10, the flowing air is sent into the air guide tube 11, and under the guidance of the air guide tube 11, the flowing air flows out of the air guide tube 11 from the air outlet holes 12. The plurality of air outlet holes 12 are distributed in an array along the length direction of the air guide tube 11, ensuring that the distribution of the air outlet holes 12 is more uniform. Furthermore, under the guidance of the air guide tube 11 and the air outlet holes 12, the cold air can be more evenly sent into the heat dissipation groove 4 and contact and exchange heat with the shell 3, ensuring better heat dissipation stability of the overall structure.

[0026] like Figure 2-Figure 6 As shown, a sealing piece 14 for sealing the pipe opening of the air guide pipe 11 away from the side of the second air guide ring pipe 10 is fixed. Under the sealing action of the sealing piece 14, the flowing gas entering the air guide pipe 11 can only flow out through the air outlet 12 and be better blown to the inner bottom surface of the heat dissipation groove 4, so that the flowing air can better take away the heat in the heat dissipation groove 4 and on the shell 3, further enhancing the heat dissipation stability of the overall structure.

[0027] like Figure 2-Figure 6 As shown, a thermal insulation coating is provided on the outer wall of the air duct 11, and the thermal insulation performance of the thermal insulation coating is used to enhance the thermal insulation performance of the heat pipe, thereby reducing the influence of the hot air in the heat dissipation groove 4 on the air flowing in the air duct 11, so that the low-temperature air guided by the air duct 11 can be better delivered to different areas of the heat dissipation groove 4 with the help of the air duct 11 and the air outlet 12, thereby achieving stable heat dissipation of the heat dissipation groove 4, the shell 3 and the entire structure, ensuring better heat dissipation of the entire structure, and the air duct 11 and the arc-shaped heat conducting plate 5 are both set to copper alloy, and the good thermal conductivity and heat absorption characteristics of the copper alloy are used to ensure that the arc-shaped heat conducting plate 5 has good and stable heat absorption and thermal conductivity, so that the arc-shaped heat conducting plate 5 can better absorb heat from the shell 3 and contact and exchange heat with the outside air, further enhancing the heat dissipation stability of the entire structure, and ensuring better service life and usage stability of the entire structure.

[0028] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A heat dissipation type harmonic reducer, comprising a drive motor (1) and a reducer body (2) drivingly connected to the drive motor (1), wherein the reducer body (2) comprises a housing (3), and is characterized in that: The outer wall of the shell (3) is provided with heat dissipation grooves (4) distributed circumferentially and having the same length direction as the outer wall of the shell (3). An auxiliary heat dissipation portion penetrating into the plurality of heat dissipation grooves (4) is fixedly connected to the shell (3). The opening of the heat dissipation groove (4) is away from the central axis of the shell (3), and the inner bottom surface of the heat dissipation groove (4) facing the opening is set as an arc surface. The auxiliary heat dissipation portion includes an arc-shaped heat conducting plate (5) for covering the slot of the heat dissipation groove (4). An air inlet (6) is arranged between the arc-shaped heat conducting plate (5) and the shell (3) on the side away from the drive motor (1). An air outlet (7) is arranged between the arc-shaped heat conducting plate (5) and the shell (3) on the side close to the drive motor (1). A first air guide ring pipe (8) connected to the plurality of air inlets (6) is fixedly connected to the shell (3) on the side away from the drive motor (1), and a first air inlet pipe (9) is connected to the first air guide ring pipe (8).

2. The heat dissipation type harmonic reducer according to claim 1, characterized in that: A second air guide ring pipe (10) is fixedly connected to the first air guide ring pipe (8) on a side away from the housing (3); the second air guide ring pipe (10) is connected to a plurality of air guide pipes (11) respectively penetrating into the heat dissipation groove (4); the air guide pipe (11) is provided with a plurality of air outlet holes (12) facing the inner bottom surface of the heat dissipation groove (4); the plurality of air outlet holes (12) are distributed in an array along the length direction of the air guide pipe (11); and the second air guide ring pipe (10) is connected to a second air inlet pipe (13).

3. The heat dissipation type harmonic reducer according to claim 2, characterized in that: A blocking piece (14) for blocking the pipe opening of the air guide pipe (11) is fixed at the pipe opening of the air guide pipe (11) on the side away from the second air guide ring pipe (10).

4. The heat dissipation type harmonic reducer according to claim 2, characterized in that: A heat-insulating coating is provided on the outer wall of the air guide tube (11).

5. The heat dissipation type harmonic reducer according to claim 2, characterized in that: The air guide tube (11) and the arc-shaped heat conducting plate (5) are both made of copper alloy.

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