Servo-controlled high-precision transmission mechanism

By applying silicone grease to the outer walls of the upper and lower shells made of aluminum alloy and using a fin design, the problem of heat accumulation at high speed of the servo motor is solved, the heat dissipation efficiency is improved, and the service life of the servo motor is extended.

CN223402320UActive Publication Date: 2025-09-30RIST ELECTRONIC TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202422589215.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-09-30
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

The servo motor generates a lot of heat at high speed, causing the rotor and housing to heat up. Long-term high-load operation or poor heat dissipation will affect performance and life.

Method used

The upper and lower shells are made of aluminum alloy, the outer walls are coated with silicone grease and connected by blocks and slots, and the fin design is combined to increase heat conduction efficiency and heat dissipation area.

Benefits of technology

Effectively dissipate heat and improve the performance and life of the servo motor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The servo-controlled high-precision transmission mechanism comprises a machine body and a fixing plate, the fixing plate is arranged at the front end of the machine body, a rotating shaft is arranged at the front end of the fixing plate in a backward inserting mode, the rotating shaft is fixedly connected with a rotor in the machine body, and an upper shell and a lower shell are arranged at the upper end and the lower end of the machine body respectively. Fins are arranged on the outer wall of the upper shell and the outer wall of the lower shell at equal intervals, a plurality of screws are arranged at the left end and the right end of the lower shell and used for connecting and fixing the lower shell and the upper shell, and silicone grease is smeared on the inner wall of the upper shell and the inner wall of the lower shell and used for improving heat conduction efficiency. Heat can be transmitted to the upper shell and the lower shell through the silicone grease on the outer wall of the machine body and dissipated outwards through the fins on the outer walls of the upper shell and the lower shell, the heat dissipation area is increased through the gaps between the fins, and therefore the heat dissipation efficiency of the machine body is improved, and the problem that the servo motor is overheated due to long-term high-load operation or poor heat dissipation is solved. The performance and the service life are influenced.
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Description

Technical Field

[0001] The utility model belongs to the technical field related to servo motors, and particularly relates to a high-precision transmission mechanism controlled by a servo. Background Art

[0002] Servo-controlled, high-precision transmission mechanisms are an integral component of modern automation and robotics. A servo control system utilizes feedback mechanisms to control the position, velocity, and acceleration of mechanical devices. Sensors monitor output in real time, and control algorithms adjust input to ensure the system accurately executes its intended tasks. However, servo motors generate significant heat at high speeds, heating the rotor and housing. Long-term high-load operation or poor heat dissipation can lead to overheating, impacting performance and lifespan. Utility Model Content

[0003] The purpose of the present utility model is to provide a high-precision transmission mechanism for servo control, so as to solve the problem proposed in the above background technology that a servo motor generates a large amount of heat at high speed, thereby causing the rotor and the casing to heat up. Long-term high-load operation or poor heat dissipation may cause the servo motor to overheat, affecting its performance and life.

[0004] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a servo-controlled high-precision transmission mechanism, comprising a body and a fixed plate;

[0005] A fixing plate is provided at the front end of the body, and a rotating shaft is inserted and provided at the rear end of the fixing plate, and the rotating shaft is connected and fixed to the rotor in the body;

[0006] The upper and lower ends of the body are respectively provided with an upper shell and a lower shell;

[0007] The outer walls of the upper shell and the lower shell are equidistantly provided with fins, and the left and right ends of the lower shell are provided with multiple screws, which are used to connect and fix the lower shell to the upper shell. The inner walls of the upper shell and the lower shell are coated with silicone grease, which is used to increase the heat conduction efficiency.

[0008] Preferably, a plurality of slots are provided on the rear sides of the outer walls of the upper shell and the lower shell, and a plurality of blocks are provided on the upper end of the fixing plate, which are engaged in the slots to prevent the upper shell and the lower shell from sliding on the outer wall of the body.

[0009] Preferably, slots are provided on the lower sides of the left and right ends of the upper shell, and an insert block is provided on the outer side of the upper end of the lower shell. The lower shell is inserted into the slots on the outer wall of the upper shell through the insert block for insertion and fixation.

[0010] Preferably, the fins of the upper shell and the lower shell are both made of aluminum alloy, and the fins, the upper shell and the lower shell are made of an integral design by injection molding.

[0011] Preferably, a rear cover shell is provided at the rear end of the machine body, a servo driver is provided at the front end of the machine body, and the rear cover shell is used to cover and protect the servo driver.

[0012] Preferably, a power cord is provided at the upper end of the rear cover shell, and the power cord is used to connect the circuit to supply power to the servo driver. A plurality of heat dissipation holes are opened at the front end of the rear cover shell, and the plurality of heat dissipation holes are used to allow air to circulate in the rear cover shell to dissipate heat for the servo driver.

[0013] Preferably, fixing holes are provided at the four corners of the front end of the fixing plate, and the plurality of fixing holes are used to insert bolts to connect and fix the fixing plate to the equipment.

[0014] Compared with the prior art, the present invention provides a servo-controlled high-precision transmission mechanism with the following beneficial effects:

[0015] Connect the machine body to the circuit through the power cord, and use the servo driver to drive the rotor in the machine body to rotate, thereby driving the shaft to rotate. Before installing the machine body on the equipment, apply a layer of silicone grease on the outer wall of the machine body, and fix the upper shell and the lower shell on the outer wall of the machine body. When installing the upper shell and the lower shell, align the card slots of the upper shell outer wall and the lower shell outer wall with the card block at the front end of the fixed plate, align the outer wall of the upper shell with the card block and bring them close to each other. When plugging in, the plug on the upper end of the lower shell will be plugged into the slots on the left and right ends of the upper shell. After the two are connected, A screw is screwed into the outer wall of the plug to connect and fix the upper shell and the lower shell. The card block is clamped in the slot to prevent the upper shell and the lower shell from sliding on the outer wall of the body. When the rotor in the body rotates and generates heat, the heat will be transferred to the upper and lower shells through the silicone grease on the outer wall of the body. The heat is dissipated outward through the fins on the outer wall of the upper and lower shells. The gaps between the fins increase the heat dissipation area, thereby increasing the heat dissipation efficiency of the body, thereby solving the problem that long-term high-load operation or poor heat dissipation may cause the servo motor to overheat, affecting its performance and life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a servo-controlled high-precision transmission mechanism of the utility model.

[0017] Figure 2 This is a schematic diagram of the disassembled structure of the rear cover shell of a servo-controlled high-precision transmission mechanism of the present invention.

[0018] Figure 3 This is a rear view structural diagram of a servo-controlled high-precision transmission mechanism of the present invention.

[0019] Figure 4 This is a schematic diagram of the connection structure between the rear-view card block and the card slot of a servo-controlled high-precision transmission mechanism of the present invention.

[0020] Figure 5 This is a schematic diagram of the disassembled structure of the upper shell and the lower shell front end plane of the utility model.

[0021] Figure 6 This is a schematic diagram of the connection structure between the card block and the card slot of the utility model.

[0022] In the figure: 1. Shaft; 2. Fixing plate; 3. Fixing hole; 4. Power cord; 5. Upper shell; 6. Machine body; 7. Back cover; 8. Lower shell; 9. Heat dissipation hole; 10. Servo driver; 11. Fin; 12. Screw; 13. Card slot; 14. Card block; 15. Silicone grease; 16. Insert block; 17. Slot. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The utility model provides Figure 1-6 A servo-controlled high-precision transmission mechanism shown includes a body 6 and a fixed plate 2;

[0025] A fixing plate 2 is provided at the front end of the body 6, and a rotating shaft 1 is inserted and provided at the rear end of the fixing plate 2. The rotating shaft 1 is connected and fixed to the rotor in the body 6;

[0026] The upper and lower ends of the body 6 are respectively provided with an upper shell 5 and a lower shell 8;

[0027] Fins 11 are equidistantly arranged on the outer walls of the upper shell 5 and the lower shell 8. Multiple screws 12 are provided at the left and right ends of the lower shell 8. The multiple screws 12 are used to connect and fix the lower shell 8 to the upper shell 5. The inner walls of the upper shell 5 and the lower shell 8 are coated with silicone grease 15. The silicone grease 15 is used to increase the heat conduction efficiency.

[0028] Before installing the body 6 on the device, apply a layer of silicone grease 15 on the outer wall of the body 6, and fit the upper shell 5 and the lower shell 8 onto the outer wall of the body 6. The silicone grease 15 is used to fill the gaps between the body 6 and the upper shell 5 and the lower shell 8, thereby increasing the heat conduction efficiency.

[0029] like Figure 4 and Figure 6 As shown, multiple slots 13 are provided on the rear sides of the outer walls of the upper shell 5 and the lower shell 8, and multiple blocks 14 are provided on the upper end of the fixed plate 2. The blocks 14 are engaged in the slots 13 to prevent the upper shell 5 and the lower shell 8 from sliding on the outer wall of the body 6.

[0030] When installing the upper shell 5 and the lower shell 8, align the slots 13 on the outer walls of the upper shell 5 and the lower shell 8 with the block 14 at the front end of the fixing plate 2, and engage the block 14 in the slots 13 to prevent the upper shell 5 and the lower shell 8 from sliding on the outer wall of the body 6.

[0031] like Figure 3 and Figure 5 As shown, slots 17 are provided on the lower sides of the left and right ends of the upper shell 5, and plug blocks 16 are provided on the outer side of the upper end of the lower shell 8. The lower shell 8 is inserted into the slots 17 on the outer wall of the upper shell 5 through the plug blocks 16 for insertion and fixation. The fins 11 of the upper shell 5 and the lower shell 8 are all made of aluminum alloy, and the fins 11, the upper shell 5 and the lower shell 8 are made of an integral design and injection molding.

[0032] The plug-in block 16 at the upper end of the lower shell 8 will be inserted into the slots 17 at the left and right ends of the upper shell 5. After the two are connected, the upper shell 5 and the lower shell 8 are connected and fixed by screwing multiple screws 12 on the outer wall of the plug-in block 16. The upper shell 5 and the lower shell 8 fins 11 are made of aluminum alloy and are light in weight and have good thermal conductivity.

[0033] like Figure 1 and Figure 2 As shown, a rear cover shell 7 is provided at the rear end of the body 6, and a servo driver 10 is provided at the front end of the body 6. The rear cover shell 7 is used to cover and protect the servo driver 10. A power cord 4 is provided at the upper end of the rear cover shell 7. The power cord 4 is used to connect the line to supply power to the servo driver 10. A plurality of heat dissipation holes 9 are provided at the front end of the rear cover shell 7. The plurality of heat dissipation holes 9 are used to allow air circulation in the rear cover shell 7 to dissipate heat for the servo driver 10. Fixing holes 3 are provided at the four corners of the front end of the fixing plate 2. The plurality of fixing holes 3 are used to insert bolts to connect and fix the fixing plate 2 to the equipment.

[0034] The bolts are passed through the fixing holes 3 to connect and fix the fixing plate 2 and the body 6 to the device. The body 6 is connected to the circuit through the power line 4, and the servo driver 10 is used to drive the rotor in the body 6 to rotate, thereby driving the shaft 1 to rotate.

[0035] The working principle of the utility model is as follows: the bolts are passed through the fixing holes 3 to connect and fix the fixing plate 2 and the machine body 6 with the equipment. The machine body 6 is connected to the circuit through the power line 4. The servo driver 10 is used to drive the rotor in the machine body 6 to rotate, thereby driving the shaft 1 to rotate. When installing the upper shell 5 and the lower shell 8, the outer wall of the upper shell 5 and the outer wall of the lower shell 8 are aligned with the card slot 13 at the front end of the fixing plate 2. When the outer wall of the upper shell 5 and the lower shell 8 are aligned with the card block 14 and brought close to each other when plugging in, the upper end of the lower shell 8 The plug-in blocks 16 will be inserted into the slots 17 at the left and right ends of the upper shell 5. After the two are connected, the upper shell 5 and the lower shell 8 are connected and fixed by screwing multiple screws 12 on the outer walls of the plug-in blocks 16. When the rotor in the body 6 rotates and generates heat, the heat will be transferred to the upper shell 5 and the lower shell 8 through the silicone grease 15 on the outer wall of the body 6. The heat will be dissipated outward through the fins 11 on the outer walls of the upper shell 5 and the lower shell 8. The gaps between the fins 11 increase the heat dissipation area, thereby increasing the heat dissipation efficiency of the body 6.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A servo-controlled high-precision transmission mechanism comprising a body (6) and a fixed plate (2); A fixing plate (2) is provided at the front end of the machine body (6), a rotating shaft (1) is inserted and provided at the rear end of the fixing plate (2), and the rotating shaft (1) is connected and fixed to the rotor in the machine body (6); The upper and lower ends of the body (6) are respectively provided with an upper shell (5) and a lower shell (8); Its characteristics are: The outer walls of the upper shell (5) and the lower shell (8) are both provided with fins (11) at equal intervals, and the left and right ends of the lower shell (8) are provided with a plurality of screws (12), and the plurality of screws (12) are used to connect and fix the lower shell (8) and the upper shell (5), and the inner walls of the upper shell (5) and the lower shell (8) are coated with silicone grease (15), and the silicone grease (15) is used to increase the heat conduction efficiency.

2. The servo-controlled high-precision transmission mechanism according to claim 1, characterized in that: A plurality of slots (13) are provided on the rear sides of the outer walls of the upper shell (5) and the lower shell (8), and a plurality of clamping blocks (14) are provided on the upper end of the fixing plate (2). The clamping blocks (14) are clamped in the slots (13) to prevent the upper shell (5) and the lower shell (8) from sliding on the outer wall of the body (6).

3. The servo-controlled high-precision transmission mechanism according to claim 1, characterized in that: Slots (17) are provided on the lower sides of the left and right ends of the upper shell (5), and an insert block (16) is provided on the outer side of the upper end of the lower shell (8). The lower shell (8) is inserted into the slots (17) on the outer wall of the upper shell (5) through the insert block (16) for insertion and fixation.

4. The servo-controlled high-precision transmission mechanism according to claim 1, characterized in that: The upper shell (5), the lower shell (8) and the fins (11) are all made of aluminum alloy, and the fins (11), the upper shell (5) and the lower shell (8) are made of an integral design by injection molding.

5. The servo-controlled high-precision transmission mechanism according to claim 1, characterized in that: A rear cover shell (7) is provided at the rear end of the machine body (6), a servo driver (10) is provided at the front end of the machine body (6), and the rear cover shell (7) is used to cover and protect the servo driver (10).

6. The servo-controlled high-precision transmission mechanism according to claim 1, characterized in that: A power line (4) is provided at the upper end of the rear cover shell (7), and the power line (4) is used to connect the circuit to supply power to the servo driver (10). A plurality of heat dissipation holes (9) are provided at the front end of the rear cover shell (7), and the plurality of heat dissipation holes (9) are used to allow air to circulate in the rear cover shell (7) to dissipate heat for the servo driver (10).

7. The servo-controlled high-precision transmission mechanism according to claim 1, characterized in that: The fixing plate (2) is provided with fixing holes (3) at the four corners of its front end, and the plurality of fixing holes (3) are used for inserting bolts to connect and fix the fixing plate (2) to the equipment.