Mechanical arm heat dissipation mechanism

Abstract

The utility model relates to the technical field of mechanical arms, and discloses a mechanical arm heat dissipation mechanism which comprises a rotating arm, a lower shell and an upper shell, a first motor is installed in the lower shell, a second motor is installed in the upper shell, a vertical shaft is installed at one end of the upper shell in a penetrating mode, and a rotating assembly and a lifting assembly which are used for driving the vertical shaft to rotate and ascend and descend are installed in the upper shell. A fixed seat is arranged at the bottom of the lower shell; a supporting plate is arranged at the bottom of the upper shell, a cooling fan is mounted in the middle of the supporting plate, a supporting frame is fixedly connected to the top of the supporting plate, and two mounting plates are fixedly connected to the side face of the supporting frame. A plurality of grooves are formed in the bottom surface of the rotating arm. According to the mechanical arm, the heat dissipation effect of the heat dissipation fan is improved through the innovative structure installation mode and the air duct design, meanwhile, heat in the mechanical arm is conducted to the outside through parts, effective heat dissipation of three motors in the mechanical arm is achieved, the mechanical arm can still be stable in performance after working for a long time and in a high-temperature environment, and the mechanical arm is suitable for large-scale popularization and application. And the failure rate is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of robotic arm technology, specifically a robotic arm heat dissipation mechanism. Background Technology

[0002] Currently, SCARA robotic arms are widely used in automated production lines or material handling scenarios that require long-term, uninterrupted operation. If the internal motors and structures are not effectively cooled, malfunctions can easily occur, affecting performance stability. Existing robotic arms mainly rely on cooling fans to dissipate heat from the motors. However, due to the compact internal structure of the SCARA robotic arm housing, the airflow within the housing is obstructed, resulting in poor heat dissipation performance. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the above-mentioned technical defects and provide a heat dissipation mechanism for a robotic arm.

[0004] To solve the above problems, the technical solution of this utility model is as follows: a heat dissipation mechanism for a robotic arm, including a rotating arm, a lower housing rotatably connected to one end of the rotating arm, and an upper housing rotatably connected to the other end of the rotating arm. A motor for driving the rotating arm to rotate is installed inside the lower housing, and a motor for driving the upper housing to rotate is installed inside the upper housing at the top of the rotating arm. A vertical shaft is rotatably installed through one end of the upper housing, and a rotating component for driving the vertical shaft to rotate and a lifting component for driving the vertical shaft to rise and fall are installed inside the upper housing.

[0005] The bottom of the lower housing is provided with a fixing seat, and several slots are opened on both sides of the fixing seat, with heat sinks formed between two adjacent slots;

[0006] The bottom of the upper housing is provided with a support plate, the middle of the support plate is provided with a through groove, a cooling fan is installed in the through groove, a support frame is fixedly connected to the top of the support plate, two mounting plates are fixedly connected to the side of the support frame, and the rotating component and the lifting component are installed between the two mounting plates.

[0007] The bottom surface of the rotating arm has multiple grooves.

[0008] Furthermore, heat dissipation holes are provided on the surfaces of the lower and upper housings.

[0009] Furthermore, the output end of the motor is connected to a reducer, and the output end of the reducer is connected to the rotating arm.

[0010] Furthermore, the support plate is rotatably mounted on the top of the rotating arm, and the output end of the second motor is connected to the second reducer, the output end of the second reducer being connected to the rotating arm.

[0011] Furthermore, the rotating assembly includes a motor three, the output end of the motor three is connected to a reducer three, the reducer three is connected to a synchronous pulley one, a synchronous pulley two is slidably mounted on the outside of the vertical shaft, the synchronous pulley two is rotatably connected to a support plate, a synchronous belt one is connected between the synchronous pulley one and the synchronous pulley two, a protrusion is fixedly connected to the inner side of the synchronous pulley two, and a sliding groove adapted to the protrusion is opened on the side of the vertical shaft;

[0012] Furthermore, the lifting assembly includes a motor four, the output end of which is connected to a synchronous pulley three, a synchronous pulley four is installed on the lower inner side of the support frame, a synchronous belt two is connected between the synchronous pulley three and the synchronous pulley four, and a positioning block is fixedly connected to the outer side of the vertical shaft, the positioning block being fixedly connected to the synchronous belt two.

[0013] Furthermore, the mounting plate has several through holes.

[0014] Furthermore, the rotating arm, upper shell, lower shell, fixed base, support plate, support frame, and mounting plate are made of metal or metal alloy materials with good thermal conductivity.

[0015] The advantages of this utility model compared with the existing technology are as follows: This utility model improves the heat dissipation effect of the cooling fan through innovative structural installation method and air duct design, and at the same time conducts the heat inside the robotic arm to the outside through the parts, realizing effective heat dissipation of the three motors inside the robotic arm. This makes the robotic arm still perform stably during long-term operation and in high-temperature environments, and greatly reduces the failure rate. Attached Figure Description

[0016] Figure 1 This is a three-dimensional representation of the present invention. Figure 1 .

[0017] Figure 2 This is a three-dimensional representation of the present invention. Figure 1 .

[0018] Figure 3 This is a cross-sectional view of the present invention.

[0019] Figure 4 This is the internal structure of the upper shell of this utility model. Figure 1 .

[0020] Figure 5 This is the internal structure of the upper shell of this utility model. Figure 2 .

[0021] As shown in the figure: 1. Rotating arm; 2. Lower housing; 3. Upper housing; 4. Motor 1; 5. Motor 2; 6. Vertical shaft; 7. Fixed base; 8. Heat sink; 9. Support plate; 10. Cooling fan; 11. Support frame; 12. Mounting plate; 13. Reducer 1; 14. Reducer 2; 15. Motor 3; 16. Reducer 3; 17. Synchronous pulley 1; 18. Synchronous pulley 2; 19. Synchronous belt 1; 20. Motor 4; 21. Synchronous pulley 3; 22. Synchronous pulley 4; 23. Synchronous belt 2; 24. Positioning block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1 to 5 As shown, a heat dissipation mechanism for a robotic arm includes a rotating arm 1. A lower housing 2 is rotatably connected to the lower part of one end of the rotating arm 1, and an upper housing 3 is rotatably connected to the upper part of the other end. A motor 4 for driving the rotating arm 1 to rotate is installed inside the lower housing 2. A second motor 5 for driving the upper housing 3 to rotate is installed inside the upper housing 3 at the top of the rotating arm 1. A vertical shaft 6 is rotatably installed through the end of the upper housing 3. A rotating component for driving the vertical shaft 6 to rotate and a lifting component for driving the vertical shaft 6 to rise and fall are installed inside the upper housing 3. Heat dissipation holes are provided on the surfaces of both the lower housing 2 and the upper housing 3.

[0024] The bottom of the lower housing 2 is provided with a fixing seat 7, and several slots are opened on both sides of the fixing seat 7, with heat sink 8 formed between two adjacent slots.

[0025] When the motor 4 is working, part of the heat generated is dissipated through the lower housing 2 and the heat dissipation holes on the surface of the lower housing 2, and part is transferred to the fixed base 7, and then dissipated through the fixed base 7 and the heat sink 8.

[0026] The bottom of the upper housing 3 is provided with a support plate 9, and a through groove is opened in the middle of the support plate 9. A cooling fan 10 is installed in the through groove. A support frame 11 is fixedly connected to the top of the support plate 9. Two mounting plates 12 are fixedly connected to the side of the support frame 11. The rotating component and the lifting component are installed between the two mounting plates 12. Multiple grooves are opened on the bottom surface of the rotating arm 1.

[0027] The rotating assembly includes a motor 315, the output end of which is connected to a reducer 316, the reducer 316 is connected to a synchronous pulley 17, a synchronous pulley 218 is slidably mounted on the outside of the vertical shaft 6, the synchronous pulley 218 is rotatably connected to the support plate 9, a synchronous belt 19 is connected between the synchronous pulley 17 and the synchronous pulley 218, a protrusion is fixedly connected to the inside of the synchronous pulley 218, and a sliding groove adapted to the protrusion is opened on the side of the vertical shaft 6.

[0028] The lifting assembly includes a motor 20, the output end of which is connected to a synchronous pulley 21. A synchronous pulley 22 is installed on the lower inner side of the support frame 11. A synchronous belt 23 is connected between the synchronous pulley 21 and the synchronous pulley 22. A positioning block 24 is fixedly connected to the outer side of the vertical shaft 6. The positioning block 24 is fixedly connected to the synchronous belt 23.

[0029] The heat generated by motors 2 (5), 3 (15), and 4 (20) during operation is partially dissipated through the upper housing 3 and its surface ventilation holes. Some of the heat generated by motor 2 (5) is transferred to the rotating arm 1 via the support plate 9 and dissipated through the rotating arm 1. Some of the heat generated by motors 3 (15) and 4 (20) is transferred to the support frame 11 via the mounting plate 12. The mounting plate 12 and support frame 11 increase the heat dissipation area, improving the cooling effect. The cooling fan 10 accelerates the airflow inside and outside the upper housing 3, further enhancing the cooling effect.

[0030] In practical use, the rotating arm 1, the upper housing 3, the lower housing 2, the fixed base 7, the support plate 9, the support frame 11, and the mounting plate 12 are made of metal or metal alloy materials with good thermal conductivity.

[0031] The heat generated by motor 14 is dissipated through the lower housing 2, the fixed base 7, and the heat sink 8; the heat generated by motor 25, motor 315, and motor 420 is partially dissipated through the heat dissipation holes under the action of the cooling fan 10, and partially transferred to the rotating arm 1 and dissipated through the rotating arm 1; the heat dissipation area of ​​motor 315 and motor 420 can be increased by the mounting plate 12 and the support frame 11, thereby improving the heat dissipation effect.

[0032] This invention improves the heat dissipation effect of the cooling fan through innovative structural installation and air duct design. At the same time, it conducts the heat inside the robotic arm to the outside through the components, achieving effective heat dissipation for the three motors inside the robotic arm. This allows the robotic arm to maintain stable performance even during long-term operation and in high-temperature environments, greatly reducing the failure rate.

[0033] The parts not disclosed in this utility model are all prior art, and their specific structures and working principles will not be described in detail.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0036] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A heat dissipation mechanism for a robotic arm, comprising a rotating arm (1), wherein a lower housing (2) is rotatably connected to the lower part of one end of the rotating arm (1), and an upper housing (3) is rotatably connected to the upper part of the other end; a motor (4) for driving the rotating arm (1) to rotate is installed inside the lower housing (2); a motor (5) for driving the upper housing (3) to rotate is installed inside the upper housing (3) at the top of the rotating arm (1); a vertical shaft (6) is rotatably mounted through the end of the upper housing (3); and a rotating assembly for driving the vertical shaft (6) to rotate and a lifting assembly for driving the vertical shaft (6) to rise and fall are installed inside the upper housing (3), characterized in that: The bottom of the lower housing (2) is provided with a fixing seat (7), and several slots are provided on both sides of the fixing seat (7), with heat sinks (8) formed between two adjacent slots; The upper housing (3) is provided with a support plate (9) at the bottom. A through groove is provided in the middle of the support plate (9). A cooling fan (10) is installed in the through groove. A support frame (11) is fixedly connected to the top of the support plate (9). Two mounting plates (12) are fixedly connected to the side of the support frame (11). The rotating component and the lifting component are installed between the two mounting plates (12). The bottom surface of the rotating arm (1) has multiple grooves.

2. The heat dissipation mechanism for a robotic arm according to claim 1, characterized in that: The surfaces of the lower housing (2) and the upper housing (3) are provided with heat dissipation holes.

3. The heat dissipation mechanism for a robotic arm according to claim 1, characterized in that: The output end of the motor (4) is connected to the reducer (13), and the output end of the reducer (13) is connected to the rotating arm (1).

4. The heat dissipation mechanism for a robotic arm according to claim 1, characterized in that: The support plate (9) is rotatably mounted on the top of the rotating arm (1), and the output end of the second motor (5) is connected to the second reducer (14), the output end of the second reducer (14) is connected to the rotating arm (1).

5. The heat dissipation mechanism for a robotic arm according to claim 1, characterized in that: The rotating assembly includes a motor three (15), the output end of which is connected to a reducer three (16), the reducer three (16) is connected to a synchronous pulley one (17), a synchronous pulley two (18) is slidably mounted on the outside of the vertical shaft (6), the synchronous pulley two (18) is rotatably connected to the support plate (9), a synchronous belt one (19) is connected between the synchronous pulley one (17) and the synchronous pulley two (18), a protrusion is fixedly connected to the inside of the synchronous pulley two (18), and a sliding groove adapted to the protrusion is opened on the side of the vertical shaft (6); The lifting assembly includes a motor four (20), the output end of which is connected to a synchronous pulley three (21), a synchronous pulley four (22) is installed on the lower inner side of the support frame (11), a synchronous belt two (23) is connected between the synchronous pulley three (21) and the synchronous pulley four (22), and a positioning block (24) is fixedly connected to the outer side of the vertical shaft (6), and the positioning block (24) is fixedly connected to the synchronous belt two (23).

6. The heat dissipation mechanism for a robotic arm according to claim 1, characterized in that: The mounting plate (12) is provided with several through holes.

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