CN-224209993-U - Servo drive heat abstractor and robot joint module of joint module

CN224209993UCN 224209993 UCN224209993 UCN 224209993UCN-224209993-U

Abstract

The utility model discloses a servo drive heat dissipation device of a joint module and a robot joint module, which comprise a joint control board and a power drive board which are connected with each other in a conductive way. The power driving plate heat dissipation aluminum alloy piece is fixed on a shell inner wall fixing platform of the integrated joint module and is contacted with the power driving plate. The power driving plate and the joint control plate are connected with the heat-dissipation aluminum alloy piece of the power driving plate through heat-conduction prismatic bolts. The MOS tube heat-dissipation aluminum alloy piece is fixed on the power drive plate heat-dissipation aluminum alloy piece and is contacted with the MOS tube. The shell contacts with the metal shell at the joint of the robot, and the heat of the integrated joint module is conducted to the metal shell of the joint of the robot from the shell. Therefore, heat generated in the joint module can be quickly led out to the shell, the heat accumulation phenomenon is reduced, the unstable problem of the integrated joint module control system caused by overheating is prevented, and the robot joint module is ensured to work stably and reliably.

Inventors

LIU SONGTAO
YIN ZHENYU
LI YULONG

Assignees

天津阿童木机器人股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250731

Claims (10)

1. A servo-driven heat sink for a joint module, comprising: The axial space enlarging mechanism comprises a power driving plate and a joint control plate which are arranged in parallel and have an axial gap, and the power driving plate and the joint control plate are connected with each other through a heat conduction prismatic bolt and define the axial gap; The circumferential area increasing mechanism comprises a driving plate heat-dissipation aluminum alloy piece and a shell which are coaxially arranged, wherein the driving plate heat-dissipation aluminum alloy piece and the shell are cylindrical shells with openings at one ends, the power driving plate and the joint control plate are positioned in the cylindrical shells of the driving plate heat-dissipation aluminum alloy piece, and the outer wall of the driving plate heat-dissipation aluminum alloy piece and the inner wall of the shell form concave-convex fit contact for expanding the contact area; One end of the heat conduction prismatic bolt is in contact with the bottom surface of the inner wall of the heat dissipation aluminum alloy piece of the driving plate, and an axial gap is formed between the power driving plate and the joint control plate.
2. The servo drive heat sink of the joint module of claim 1, wherein the joint control board is electrically connected to the power driving board; The device comprises a driving plate, a joint control plate and a joint control plate processor, wherein the driving plate is fixedly provided with a heat-radiating aluminum alloy piece; The MOS tube heat-dissipation aluminum alloy piece is fixed on the driving plate heat-dissipation aluminum alloy piece and is contacted with the MOS tube on the power driving plate; The power driving plate, the joint control plate and the driving plate heat-dissipation aluminum alloy piece are connected in a heat conduction mode through heat conduction prismatic bolts.
3. The servo drive heat dissipating device of the joint module set as set forth in claim 2, wherein the heat conductive prismatic bolts comprise prismatic bolts and round head hexagonal bolts, the power driving plate is fixed to the driving plate mounting threaded holes provided in the driving plate heat dissipating aluminum alloy member by means of the prismatic bolts, and the joint control plate is fixed to the power driving plate by means of the round head hexagonal bolts and prismatic threaded holes provided at one end of the prismatic bolts.
4. The servo drive heat dissipating device of the joint module set of claim 1, wherein the inner wall of the housing has heat dissipating grooves, the side of the aluminum alloy member of the drive plate has heat dissipating fins, the heat dissipating grooves and the heat dissipating fins are in concave-convex fit with each other and form surface contact; The length extension directions of the radiating grooves and the radiating fins are parallel to the axis of the shell.
5. The servo drive heat abstractor of joint module according to claim 1, wherein the inner wall of the outer shell is provided with a radially inward extending fixed platform, the fixed platform is C-shaped along the axial view of the outer shell, and the bottom of the outer wall of the heat dissipation aluminum alloy piece of the drive plate is fixed in contact with the fixed platform.
6. The servo drive heat dissipation device of the joint module set as set forth in claim 1, wherein a power device is disposed on a surface of the power drive plate facing the joint control plate, and a surface of the power drive plate facing away from the joint control plate is in contact with the drive plate heat dissipation aluminum alloy member.
7. The servo drive heat dissipation device of the joint module of claim 2, wherein the MOS tube heat dissipation aluminum alloy piece is in surface contact with the MOS tube on the power drive plate through a liquid metal heat conduction sheet, and the processor heat dissipation aluminum alloy piece is in surface contact with a control board processor on the joint control board through the liquid metal heat conduction sheet.
8. The servo drive heat dissipating device of the joint module set of claim 4, wherein the axial length of the aluminum alloy member of the drive plate is smaller than the axial length of the housing, and the heat dissipating groove is a rectangular groove.
9. The servo drive heat dissipation device of the joint module of claim 1, wherein the joint control board and the power drive board are made of aluminum substrates.
10. A robot joint module comprising the servo-driven heat sink of the joint module of any one of claims 1 to 9.

Description

Servo drive heat abstractor and robot joint module of joint module Technical Field The utility model relates to the technical field of robots, in particular to a servo driving heat dissipation device of a joint module and the robot joint module. Background With the continuous development of industry, robots are increasingly widely applied in the industrial field and other numerous fields, and the performance requirements of the robots are increasingly improved. Currently mainstream servo integrated joint module space is limited, and a speed reducer, a servo motor, a band-type brake, an encoder, a power driving plate, a main control plate and the like are integrated in the limited space, so that the integration degree is high. The speed reducer, the servo motor, the band-type brake, the driver and the main control board are all heating components, the service life of the electronic components is exponentially shortened along with the temperature rise, and the working performance of the robot is influenced, so that the internal temperature of the integrated joint module is required to be prevented from being too high. Meanwhile, as the power output by the robot is larger and larger, the requirement on the output power of the integrated joint module circuit board is higher. Therefore, the heat dissipation problem of the robot joint module circuit board becomes more critical, and the heat dissipation capability becomes a large relevant factor for improving the output power of the robot joint module on the premise of the same heat generation capability. Disclosure of utility model The utility model aims to solve the problem of providing a servo driving heat dissipation device of a joint module and the robot joint module. In order to solve the above problems, the present utility model provides a servo driving heat dissipation device of a joint module and a robot joint module, and in order to achieve the above objects, the technical solution adopted by the present utility model for solving the technical problems is as follows: The servo driving heat dissipation device of the joint module comprises an axial space enlarging mechanism, a circumferential area enlarging mechanism and an axial area enlarging mechanism, wherein the axial space enlarging mechanism comprises a power driving plate and a joint control plate which are arranged in parallel and have an axial gap, the power driving plate and the joint control plate are connected with each other through heat conduction prismatic bolts and define the axial gap, the circumferential area enlarging mechanism comprises a driving plate heat dissipation aluminum alloy piece and a shell which are coaxially arranged, the driving plate heat dissipation aluminum alloy piece and the shell are cylindrical shells with openings at one ends, the power driving plate and the joint control plate are positioned in the cylindrical shells of the driving plate heat dissipation aluminum alloy piece, the outer wall of the driving plate heat dissipation aluminum alloy piece and the inner wall of the shell form concave-convex fit contact with the enlarged contact area, and one end of the heat conduction prismatic bolts is in contact with the bottom surface of the inner wall of the driving plate heat dissipation aluminum alloy piece and form the axial gap between the power driving plate and the joint control plate. The joint control board is electrically connected with the power driving board by virtue of the further improvement, the processor heat-dissipation aluminum alloy piece is fixed on the driving board heat-dissipation aluminum alloy piece and is contacted with the joint control board processor of the joint control board, the MOS tube heat-dissipation aluminum alloy piece is fixed on the driving board heat-dissipation aluminum alloy piece and is contacted with the MOS tube on the power driving board, and the power driving board, the joint control board and the driving board heat-dissipation aluminum alloy piece are in heat conduction connection through the heat-conduction prismatic bolts. As a further improvement of the utility model, the heat conduction prismatic bolt comprises a prismatic bolt and a round head inner hexagon bolt, the power driving plate is fixed with a driving plate installation threaded hole arranged on the driving plate heat dissipation aluminum alloy piece by using the prismatic bolt, and the joint control plate is fixed with the power driving plate by means of the round head inner hexagon bolt and the prismatic threaded hole arranged at one end of the prismatic bolt. As a further improvement of the utility model, the inner wall of the shell is provided with a heat dissipation groove, the side surface of the heat dissipation aluminum alloy piece of the driving plate is provided with heat dissipation fins, the heat dissipation groove and the heat dissipation fins are mutually matched in a concave-convex manner and form surface contact, and the length extension d