Integral robot joint motor
By designing an integral robot joint motor and utilizing the slide groove and limit block inside the rotating shell, the problem of improper installation of the motor in the existing technology is solved, the installation of the motor is simplified, the cumbersome installation and vibration noise problems of the motor in the existing technology are reduced, and the stability of the motor and the convenience of inspection and maintenance are improved.
Patent Information
- Application Number
- CN202422596438.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The installation of existing collaborative robot joint motors is cumbersome and prone to vibration and noise problems.
An integrated robot joint motor is designed. By installing the motor in a rotating shell under the robotic arm, and using the combination of slide grooves and sliders, combined with fixed plates and limit blocks for fixation, and equipped with heat dissipation holes and spring buffer structures, the motor can be stably installed and the noise and vibration can be reduced.
It improves the convenience of motor installation and debugging accuracy, ensures the stability of the motor during operation, reduces the impact of noise and vibration on the overall performance of the robot, and provides a convenient inspection and maintenance method.
Smart Images

Figure CN223369417U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of robots, in particular to an integral robot joint motor. Background Art
[0002] The joint motors currently used in collaborative robots generally have stator and rotor assemblies supplied by motor suppliers, known as frameless motors. Robot manufacturers then assemble the shaft, housing, reducer, and other components themselves. This method is cumbersome to install, and improper installation can lead to problems such as high vibration and noise during motor operation. Utility Model Content
[0003] The purpose of the utility model is to provide an integrated robot joint motor.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integral robot joint motor, comprising a robotic arm, a rotating shell installed under the robotic arm, a motor installed inside the rotating shell, a slider installed around the motor, a slide groove provided in a circle inside the rotating shell, a fixed plate installed on the outside of the motor, a circle of limit blocks provided inside the fixed plate, a mounting backplate installed on the rear side of the rotating shell, a circle of heat dissipation holes provided on the surface of the mounting backplate, a spring connected to the mounting backplate, and a contact plate provided at one end of the spring.
[0005] As a further solution of the present invention: the sliders are distributed around the surface of the motor and are stuck in the slide groove inside the rotating shell. The fixed plate is installed on the outside of the rotating shell by screws. A hole is provided in the middle of the fixed plate, and the operating shaft of the motor passes through the middle. The limit block is located in the middle of the fixed plate and the motor and contacts the outer surface of the motor.
[0006] As a further solution of the present invention: a groove is provided on the back of the rotating shell, and the groove is opened to the back of the motor, the mounting back plate is installed in the groove by screws, one end of the spring is connected to the middle position of the inner side of the mounting back plate, and the other end of the spring is connected to the back of the contact plate, and the contact plate contacts the rear side of the motor, and the heat dissipation holes are evenly distributed in a circle around the spring.
[0007] As a further solution of the present invention: a rotating clamping block is connected to the motor operating shaft, the rotating clamping block is connected to a fixed arm, a clamping slot is provided in the middle of the fixed arm, and the rotating clamping block is inserted into the clamping slot.
[0008] As a further solution of the present invention: a bottom plate is installed below the fixed arm, and a rotating block is installed below the bottom plate through screws.
[0009] As a further solution of the present invention: a base is connected below the rotating block, and mounting holes are provided around the base.
[0010] By adopting the above technical solution, compared with the prior art, the beneficial effects of the present invention are:
[0011] 1. The utility model installs the motor in the rotating shell under the robot arm, the slide groove around the inner ring of the rotating shell, and the slider outside the motor, which makes installation more convenient and operation more stable. The motor is fixed in the rotating shell by the fixing plate and the limit block to form a whole, which is convenient for robot manufacturers to install and improve the debugging accuracy.
[0012] 2. The utility model can discharge the heat generated by the operation of the motor through the heat dissipation holes on the surface of the mounting backplate. The mounting backplate is installed on one side of the rotating shell by screws. The spring installed in the middle of the mounting backplate can squeeze the contact plate to achieve secondary fixation and buffering of the motor, reduce the vibration generated by the motor during operation from being transmitted to the rotating shell and the robotic arm, and reduce the impact of noise and vibration on the overall performance of the robot. By removing the screws, the mounting backplate can be removed, making it convenient to inspect and maintain the motor.
[0013] Other advantages, objectives and features of the present invention will be described in part in the following description and will be apparent to those skilled in the art based on an examination of the following or may be learned from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is an overall schematic diagram of an embodiment of the present utility model;
[0015] Figure 2 This is a front view schematic diagram of an embodiment of the present utility model;
[0016] Figure 3 This is a schematic diagram of the interior of the rotating shell in an embodiment of the present utility model;
[0017] Figure 4 This is a schematic diagram of the interior of the back panel installed in an embodiment of the present utility model.
[0018] In the figure: 1. Robotic arm; 2. Rotating shell; 21. Motor; 22. Slider; 23. Slide; 24. Fixed plate; 25. Limit block; 26. Rotating block; 3. Mounting back plate; 31. Heat dissipation hole; 32. Spring; 33. Contact plate; 4. Fixed arm; 5. Bottom plate; 6. Rotating block; 7. Base. DETAILED DESCRIPTION
[0019] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.
[0020] In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0021] Please see the attached Figure 1 -Attached Figure 4 The present invention is an integrated robot joint motor, including a robot arm 1, a rotating shell 2 is installed under the robot arm 1, a motor 21 is placed inside the rotating shell 2, and a slider 22 is tightly installed around the motor 21. At the same time, a slide groove 23 is set inside the rotating shell 2, and the slider 22 cooperates with the slide groove 23, so that the motor 21 can slide into the specified position more conveniently during installation, which greatly improves the installation efficiency. A fixing plate 24 is installed on the outside of the motor 21, and a circle of limit blocks 25 are set inside the fixing plate 24. These limit blocks 25 can effectively fix the motor 21 firmly in the rotating shell 2, so that the motor 21 and the rotating shell 2 become a tightly integrated whole, which not only facilitates the installation operation of the robot manufacturer, but also greatly improves the debugging accuracy. A mounting back plate 3 is installed on the rear side of the rotating shell 2. A circle of heat dissipation holes 31 are provided on the surface, which can timely and effectively discharge the heat generated during the operation of the motor 21, ensure that the motor 21 runs stably at an appropriate temperature, and extend the service life of the motor 21. The mounting back plate 3 is connected to the spring 32, and a contact plate 33 is installed at one end of the spring 32. The spring 32 can squeeze the contact plate 33 to achieve secondary fixation and buffering of the motor 21. The secondary fixation further enhances the stability of the motor 21 in the rotating shell 2, preventing the motor 21 from loosening or displacement during operation, and the buffering effect can reduce the vibration generated by the motor 21 during operation and transmit it to the rotating shell 2 and the robotic arm 1, effectively reducing the impact of noise and vibration on the overall performance of the robot. In addition, by removing the screws, the mounting back plate 3 can be easily removed, which provides great convenience for the inspection and maintenance of the motor 21.
[0022] In the first embodiment, the sliders 22 are distributed around the surface of the motor 21 and are stuck in the slide groove 23 inside the rotating shell 2. The fixing plate 24 is installed on the outside of the rotating shell 2 by screws. A hole is provided in the middle of the fixing plate 24, and the operating shaft of the motor 21 passes through the middle. The limit block 25 is located in the middle of the fixing plate 24 and the motor 21 and contacts the outer surface of the motor 21. A groove is provided on the back of the rotating shell 2, and the groove is opened to the back of the motor 21. The mounting back plate 3 is installed in the groove by screws. One end of the spring 32 is connected to the middle position of the inner side of the mounting back plate 3, and the other end of the spring 32 is connected to the back of the contact plate 33. The contact plate 33 contacts the rear side of the motor 21. The heat dissipation holes 31 are evenly distributed in a circle around the spring 32.
[0023] Specifically, the sliders 22 are evenly distributed around the surface of the motor 21, and are precisely stuck in the slide grooves 23 inside the rotating shell 2, so that the motor 21 can slide smoothly into the rotating shell 2 along the slide grooves 23 during installation, greatly improving the convenience and accuracy of installation. The fixing plate 24 is installed on the outside of the rotating shell 2 by screws, providing a stable external support for the motor 21. A hole is provided in the middle of the fixing plate 24, and the operating shaft of the motor 21 just passes through this hole, so that the power of the motor 21 can be smoothly transmitted. The limit blocks 25 are precisely located in the middle of the fixing plate 24 and the motor 21, and are in close contact with the outer surface of the motor 21. These limit blocks 25 are not It not only serves to limit the position of the motor 21, but also further enhances the stability of the motor 21 in the rotating shell 2. A groove is provided on the back of the rotating shell 2, and this groove is opened all the way to the back of the motor 21. The mounting back plate 3 is installed in this groove by reliable screws. One end of the spring 32 is firmly connected to the middle position of the inner side of the mounting back plate 3, and the other end is tightly connected to the back of the contact plate 33. The contact plate 33 is in close contact with the rear side of the motor 21, providing additional fixation and buffering for the motor 21. The heat dissipation holes 31 are evenly distributed in a circle around the spring 32. These heat dissipation holes 31 can dissipate the heat generated during the operation of the motor 21 in a timely and effective manner.
[0024] In the second embodiment, a rotating block 26 is connected to the operating shaft of the motor 21, and the rotating block 26 is connected to the fixed arm 4. A slot is provided in the middle of the fixed arm 4, and the rotating block 26 is inserted into the slot. A bottom plate 5 is installed below the fixed arm 4, and a rotating block 6 is installed below the bottom plate 5 by screws. A base 7 is connected below the rotating block 6, and mounting holes are provided around the base 7.
[0025] Specifically, a rotating block 26 is connected to the operating shaft of the motor 21. This rotating block 26 is firmly connected to the fixed arm 4. A slot is carefully provided in the middle of the fixed arm 4. The rotating block 26 is accurately inserted into this slot, ensuring the stability and reliability of the connection, so that the power of the motor 21 can be effectively transmitted to the fixed arm 4. A base plate 5 is installed below the fixed arm 4. The base plate 5 provides a support platform for the upper structure to ensure the stability of the entire device. A rotating block 6 is installed below the base plate 5 by screws. This rotating block 6 can realize flexible rotational movement, providing more possibilities for the movement of the entire device. The bottom of the rotating block 6 is connected to the base 7. The base 7 serves as the foundation of the entire device and provides stable support for the entire structure. Mounting holes are provided around the base 7. These mounting holes can easily fix the entire device in the desired position to ensure that the device does not move or shake during operation.
[0026] Working principle:
[0027] First, the motor 21 serves as the power source of the entire device. When it is powered on and starts to operate, the operation of the motor 21 drives the rotating block 26 connected to it to rotate. The rotating block 26 is inserted into the slot in the middle of the fixed arm 4, thereby transmitting power to the fixed arm 4. Since the fixed arm 4 is in a fixed state, the robot arm 1 can be operated. The bottom plate 5 under the fixed arm 4 supports the fixed arm 4 and connects the rotating block 6 below. The base 7 is fixed in a specific position through the mounting holes around it, providing a stable basic support for the entire device. At the same time, the motor 21 is installed in the rotating shell 2, and the slider 22 around the motor 21 cooperates with the slide groove 23 inside the rotating shell 2, which makes it convenient for the motor 21 to slide into the position accurately during installation, ensuring the stability of the motor 21 during operation, and reducing Less shaking, the fixing plate 24 on the outside of the motor 21 and the internal limit block 25 further firmly fix the motor 21 in the rotating shell 2 to prevent the motor 21 from being displaced during operation. During the operation of the motor 21, a large amount of heat will be generated. At this time, the heat dissipation holes 31 on the surface of the back plate 3 installed on the rear side of the rotating shell 2 play a role, dissipating the heat in time to ensure that the motor 21 works at a suitable temperature. The spring 32 on the inside of the back plate 3 squeezes the contact plate 33, and the contact plate 33 is in close contact with the rear side of the motor 21 to achieve secondary fixation and buffering of the motor 21, reduce the vibration generated by the operation of the motor 21 to be transmitted to the rotating shell 2 and the entire robotic arm 1, and reduce the impact of noise and vibration on the overall performance of the robot. At this point, the entire workflow is completed.
[0028] The above-mentioned front, back, left, right, up and down are all based on the Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.
[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention.
[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.
[0031] For those skilled in the art, it is possible to make various changes, modifications, substitutions and variations to these embodiments without departing from the principles and spirit of the present invention, and they still fall within the scope of protection of the present invention.
Claims
1. An integrated robot joint motor, comprising a robot arm (1), characterized in that: A rotating shell (2) is installed below the robotic arm (1), a motor (21) is installed inside the rotating shell (2), a slider (22) is installed around the motor (21), a sliding groove (23) is arranged around the rotating shell (2), a fixing plate (24) is installed outside the motor (21), a circle of limit blocks (25) is arranged inside the fixing plate (24), a mounting back plate (3) is installed on the rear side of the rotating shell (2), a circle of heat dissipation holes (31) is arranged on the surface of the mounting back plate (3), the mounting back plate (3) is connected to a spring (32), and a contact plate (33) is installed at one end of the spring (32).
2. The integrated robot joint motor according to claim 1, characterized in that: The sliders (22) are distributed around the surface of the motor (21) and are stuck in the slide grooves (23) inside the rotating shell (2). The fixing plate (24) is installed on the outside of the rotating shell (2) by screws. A hole is provided in the middle of the fixing plate (24), and the operating shaft of the motor (21) passes through the middle. The limit block (25) is located in the middle of the fixing plate (24) and the motor (21) and contacts the outer surface of the motor (21).
3. The integrated robot joint motor according to claim 1, characterized in that: The rotating shell (2) is provided with a groove on the back side, and the groove is opened to the back side of the motor (21). The mounting back plate (3) is mounted in the groove by screws. One end of the spring (32) is connected to the middle position of the inner side of the mounting back plate (3). The other end of the spring (32) is connected to the back side of the contact plate (33). The contact plate (33) contacts the rear side of the motor (21). The heat dissipation holes (31) are evenly distributed in a circle around the spring (32).
4. The integrated robot joint motor according to claim 1, characterized in that: A rotating clamping block (26) is connected to the operating shaft of the motor (21), and the rotating clamping block (26) is connected to a fixed arm (4). A clamping slot is provided in the middle of the fixed arm (4), and the rotating clamping block (26) is inserted into the clamping slot.
5. The integrated robot joint motor according to claim 4, characterized in that: A bottom plate (5) is installed below the fixed arm (4), and a rotating block (6) is installed below the bottom plate (5) via screws.
6. The integrated robot joint motor according to claim 5, characterized in that: A base (7) is connected below the rotating block (6), and mounting holes are provided around the base (7).