Humanoid robot joint motor bearing press-fitting structure

By designing a robot joint motor bearing press-fit structure including a base, a support frame, a positioner and axially movable press-fitting member, the problem of manual press-fitting in the prior art is solved, and stable press-fit bearings and adapted to motor end caps of various sizes are achieved.

CN222932174UActive Publication Date: 2025-06-03SUZHOU TIANJIANG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421696920.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-06-03
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

In the prior art, the pressing of the bearing and end cap of the robot joint motor requires manual operation, resulting in uneven force, low efficiency, and difficulty in adapting to motor end caps of different sizes.

Method used

A humanoid robot joint motor bearing press structure is designed, including a base, a support frame, a positioner and an axially movable press assembly. The heat dissipation effect is increased through the setting of the notch, and a reinforcement ring is provided on the press assembly to stabilize the press bearing.

Benefits of technology

The stable press-fit bearing is achieved, extends the life of the press fitting, avoids breakage during downward stamping, and adapts to a variety of motor end caps of different sizes through a removable design.

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Abstract

The utility model discloses a humanoid robot joint motor bearing press-fitting structure which comprises a base, a supporting frame arranged on the base, a positioning piece arranged on the base and a press-fitting piece arranged above the positioning piece and capable of axially moving, a cylindrical protrusion is arranged on the positioning piece, and a positioning face is arranged on the peripheral side of the cylindrical protrusion. The press fitting part is downwards provided with a pressing ring matched with the circumferential side of the bearing, an outer ring is arranged on the press fitting part located on the outer side of the pressing ring, and a notch is formed in the outer ring. Compared with the prior art, the motor end cover adjusting device has the advantages that the structure is simple, and the first air cylinder can move up and down and adjust the height through the screw rod so as to adapt to various motor end covers; according to the utility model, the positioning piece and the press fitting piece are detachably connected so as to replace and adapt to motor end covers of various different sizes; the utility model has the advantages of simple structure and fast production rhythm, and is suitable for batch production.
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Description

Technical Field

[0001] The utility model belongs to the technical field of motors, and particularly relates to a bearing pressing structure for a humanoid robot joint motor. Background Art

[0002] A robot joint motor, also known as an actuator motor, is used as an actuator in an automatic control system to convert the received electrical signal into angular displacement or angular velocity output on the motor shaft as its main function. The robot joint motor realizes the conversion or transmission of electrical energy based on the law of electromagnetic induction. Its main role is to generate driving torque and serve as the power source for electrical appliances or various machines. The motor end cover is the cover of the motor housing. Bearings need to be installed on the motor end cover. Currently, it is mostly assembled by assembly workers for the pressing of the bearing and the end cover. The assembly workers need to manually press and manually knock it in, and the knocking force is not uniform. Therefore, it is very important to obtain a bearing pressing structure for a humanoid robot joint motor that overcomes the above defects. Content of the Utility Model

[0003] To solve the above-mentioned at least one technical problem, the utility model provides a bearing pressing structure for a humanoid robot joint motor, which includes a base, a support frame arranged on the base, a positioning member arranged on the base, and a pressing member arranged above the positioning member and axially movable. A cylindrical protrusion is provided on the positioning member, and a positioning surface is provided on the circumferential side of the cylindrical protrusion;

[0004] The pressing member is provided with a pressing ring cooperating with the circumferential side of the bearing downward. An outer ring is provided on the pressing member outside the pressing ring, and a notch is provided on the outer ring.

[0005] Through the above technical solution, the setting of the notch increases the heat dissipation effect during pressing.

[0006] A cylindrical groove is provided downward in the middle of the cylindrical protrusion. A convex-shaped groove is provided on the base, and the positioning member is detachably connected to the convex-shaped groove through a fastener. A depression is provided on the pressing member inward at the notch. A reinforcing ring is provided on the inner wall of the pressing ring.

[0007] Through the above technical solution, the above setting of the pressing member of the utility model can stably press the bearing, and the reinforcing ring increases the service life of the pressing member and prevents fracture during downward stamping.

[0008] As a preferred way above, the moving device includes a first cylinder, and the pressing member is fixedly connected to the output shaft of the first cylinder. The moving device further includes a height adjustment structure, and the height adjustment structure includes a screw rod rotatably connected to the support frame. A moving seat is threadedly connected to the screw rod. The screw rod rotates to axially move the moving seat, thereby driving the first cylinder fixed on the moving seat to axially move.

[0009] A guide groove is formed on the movable seat, and a guide rod that cooperates with the guide groove is fixed to the output end of the first cylinder.

[0010] Through the above technical solution, the guide groove and the guide rod can provide guidance.

[0011] A guide rail is formed on the support frame, and a slider that cooperates with the guide rail is provided on the movable seat. At least one side of the support frame is fixed with a mounting guide rail, and a solenoid valve and an electric control box are mounted on the mounting guide rail.

[0012] Compared with the prior art, the advantages of the present utility model are as follows: the structure of the present utility model is simple, and the up and down movement of the first cylinder can be realized through a screw rod to adjust the height so as to adapt to various motor end covers; the positioning member and the pressing member of the present utility model are both detachably connected to replace and adapt to various motor end covers of different sizes; the structure of the present utility model is simple, the production rhythm is fast, and it is suitable for mass production. Description of the Drawings

[0013] Figure 1 is a perspective view of the present utility model;

[0014] Figure 2 is a sectional perspective view of the present utility model;

[0015] Figure 3 is a sectional schematic view of the pressing part of the present utility model;

[0016] Reference Numerals:

[0017] 101 Base; 102 Support Frame; 103 Positioning Member; 1031 Cylindrical Projection; 1032 Cylindrical Groove; 1033 Positioning Surface; 104 Pressing Member; 1041 Pressing Ring; 1042 Outer Ring; 1043 Notch; 1044 Depression; 1045 Reinforcing Ring;

[0018] 2 Convex-shaped Groove;

[0019] 301 First Cylinder; 302 Screw Rod; 303 Movable Seat; 304 Guide Rail; 305 Slider; 306 Guide Groove; 307 Guide Rod;

[0020] 401 Mounting Guide Rail; 402 Solenoid Valve; 403 Electric Control Box;

[0021] 5 Bearing; 6 Motor End Cover. Detailed Embodiment

[0022] To enable those skilled in the art to better understand the present utility model and thus more clearly define the scope of protection of the present utility model, the present utility model will be described in detail below with respect to certain specific embodiments of the present utility model. It should be noted that the following are only some specific embodiments of the concept of the present utility model and only a part of the embodiments of the present utility model. The specific and direct descriptions of the relevant structures are only for the convenience of understanding the present utility model, and the specific features do not of course and directly limit the scope of implementation of the present utility model.

[0023] Referring to the attached drawings, the present utility model adopts the following technical solutions. A humanoid robot joint motor bearing pressing structure includes a base 101, a support frame 102 provided on the base 101, a positioning member 103 provided on the base 101, and a pressing member 104 disposed above the positioning member 103 and axially movable. A cylindrical protrusion 1031 is provided on the positioning member 103, and a positioning surface 1033 is provided on the circumferential side of the cylindrical protrusion 1031;

[0024] The pressing member 104 is provided with a pressing ring 1041 that cooperates with the circumferential side of the bearing downward. An outer ring 1042 is provided on the pressing member 104 outside the pressing ring 1041, and a notch 1043 is provided on the outer ring 1042.

[0025] Through the above technical solution, the setting of the notch 1043 increases the heat dissipation effect during pressing.

[0026] A cylindrical groove 1032 is provided downward in the middle of the cylindrical protrusion 1031. A convex-shaped groove 2 is provided on the base 101, and the positioning member 103 is detachably connected to the convex-shaped groove 2 through a fastener. A depression 1044 is provided on the pressing member 104 inward at the notch 1043. A reinforcing ring 1045 is provided on the inner wall of the pressing ring 1041.

[0027] Through the above technical solution, the above setting of the pressing member 104 of the present utility model can stably press the bearing, and the reinforcing ring 1045 increases the service life of the pressing member 104 and prevents fracture during downward stamping.

[0028] As a preferred manner above, the moving device includes a first cylinder 301, and the pressing member 104 can be fixedly connected to the output shaft of the first cylinder 301 by means of a threaded connection. The moving device further includes a height adjustment structure. The height adjustment structure includes a screw rod 302 rotatably connected to the support frame 102. A moving seat 303 is threadedly connected to the screw rod 302. The screw rod 302 rotates to axially move the moving seat 303, thereby driving the first cylinder 301 fixed on the moving seat 303 to axially move.

[0029] A guide groove 306 is formed on the movable seat 303, and a guide rod 307 that cooperates with the guide groove 306 is fixed to the output end of the first cylinder 301.

[0030] Through the above technical solution, the guide groove 306 and the guide rod 307 can provide guidance.

[0031] A guide rail 304 is formed on the support frame 102, and a slider 305 that cooperates with the guide rail 304 is provided on the movable seat 303. At least one side of the support frame 102 is fixed with a mounting guide rail 401, and a solenoid valve 402 and an electric control box 403 are mounted on the mounting guide rail 401.

[0032] Compared with the prior art, the advantages of the present utility model are as follows: The structure of the present utility model is simple. The up and down movement of the first cylinder 301 can be realized through the screw rod 302 to adjust the height so as to adapt to various motor end covers 6. The positioning member 103 and the pressing member 104 of the present utility model are both detachably connected to replace and adapt to various motor end covers of different sizes. The structure of the present utility model is simple, the production rhythm is fast, and it is suitable for mass production.

[0033] So far, the technical solution of the present utility model has been described in conjunction with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present utility model is obviously not limited to these specific embodiments. Without departing from the principle of the present utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present utility model.

Claims

1. A humanoid robot joint motor bearing press-fit structure, characterized in that: The invention comprises a base (101), a support frame (102) arranged on the base (101), a positioning member (103) arranged on the base (101), and a press-fitting member (104) arranged above the positioning member (103) and axially movable, wherein the positioning member (103) is provided with a cylindrical protrusion (1031), and a positioning surface (1033) is provided on the circumferential side of the cylindrical protrusion (1031); The press-fitting part (104) is provided with a pressing ring (1041) downwardly cooperating with the peripheral side of the bearing (5), and an outer ring (1042) is provided on the press-fitting part (104) outside the pressing ring (1041), and a notch (1043) is provided on the outer ring (1042).

2. The humanoid robot joint motor bearing press-fitting structure according to claim 1, characterized in that: A cylindrical groove (1032) is formed downward in the middle of the cylindrical protrusion (1031).

3. The humanoid robot joint motor bearing press-fit structure according to claim 1, characterized in that: The base (101) is provided with a convex groove (2), and the positioning member (103) is detachably connected to the convex groove (2) via a fastener.

4. The humanoid robot joint motor bearing press-fit structure according to claim 1, characterized in that: A recess (1044) is provided on the press-fitting part (104) located inwardly of the notch (1043).

5. The humanoid robot joint motor bearing press-fit structure according to claim 1, characterized in that: A reinforcing ring (1045) is provided on the inner wall of the pressure ring (1041).

6. The humanoid robot joint motor bearing press-fit structure according to claim 1, characterized in that: It also comprises a moving device, the moving device comprising a first cylinder (301), and the pressing part (104) is fixedly connected to the output shaft of the first cylinder (301).

7. The humanoid robot joint motor bearing press-fit structure according to claim 6, characterized in that: The moving device also includes a height adjustment structure, which includes a screw rod (302) rotatably connected to the support frame (102), a moving seat (303) being threadedly connected to the screw rod (302), and the screw rod (302) rotates to cause the moving seat (303) to move axially, thereby driving the first cylinder (301) fixed on the moving seat (303) to move axially.

8. The humanoid robot joint motor bearing press-fitting structure according to claim 7, characterized in that: A guide groove (306) is provided on the movable seat (303), and a guide rod (307) matching with the guide groove (306) is fixed to the output end of the first cylinder (301).

9. The humanoid robot joint motor bearing press-fit structure according to claim 7, characterized in that: The support frame (102) is provided with a guide rail (304), and the movable seat (303) is provided with a sliding block (305) matched with the guide rail (304).

10. The humanoid robot joint motor bearing press-fit structure according to claim 1, characterized in that: A mounting rail (401) is fixed to at least one side of the support frame (102), and a solenoid valve (402) and an electric control box (403) are mounted on the mounting rail (401).