Multi-station automatic mechanical arm connector replacing device
By designing a multi-station automated robot arm joint switch device, and using a switch mechanism driven by electric push rod and servo motor, the rapid replacement of the automated robot arm joint is achieved, solving the problem of inconvenient joint replacement in the prior art.
Patent Information
- Application Number
- CN202421168232.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-27
AI Technical Summary
It is inconvenient to replace existing automated robotic arm joints and requires manual use of tools.
A multi-station automated robot arm joint switching device is designed, and a switch mechanism is adopted, including a first electric push rod, a rotating disc, a movable piece, a mounting frame, a bevel gear and a clamping member. Through the cooperation of the electric push rod and a servo motor, the insertion, clamping, rotation and replacement of the automatic joint is realized.
It realizes rapid replacement of automated robotic arm joints, improves replacement efficiency, reduces the complexity and time of manual operation, and is suitable for multi-station environments.
Smart Images

Figure CN222553588U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical arm joint changing devices, in particular to a multi-station automated mechanical arm joint changing device. Background Art
[0002] The automated robotic arm is the most widely used automated mechanical device in the field of robotic technology. It can be seen in industrial manufacturing, medical treatment, entertainment services, military, semiconductor manufacturing, space exploration and other fields. Although their forms are different, they all have a common feature, that is, they can accept instructions and accurately locate a certain point in three-dimensional (or two-dimensional) space to perform operations. Multi-station usually refers to industrial production, especially in punching and painting processes, where the equipment has multiple working positions or stations. The joints of the automated robotic arm are usually fixed by rotation with a threaded structure. In order to set up multiple stations to replace different joints for multiple robotic arms when replacing the joints of the automated robotic arm, the joints of the automated robotic arm are usually replaced manually using tools, which is inconvenient. A multi-station automated robotic arm joint replacement device is proposed. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a multi-station automated robotic arm joint replacement device to solve the problem of inconvenient joint replacement of the automated robotic arm in the prior art.
[0004] In view of this, the utility model provides a multi-station automated robot arm joint changing device, comprising a first electric push rod, a fixing frame is fixedly mounted on the output end of the first electric push rod, and a switching mechanism is arranged inside the fixing frame;
[0005] The switching mechanism includes a rotating disk, a movable part, a mounting frame, a first bevel gear, a second bevel gear and a clamping member, the rotating disk is rotatably connected to one side of the inner wall of the fixed frame, the mounting frame is fixedly mounted on the other side of the inner wall of the fixed frame, the first bevel gear is rotatably connected to one side of the inside of the mounting frame, the second bevel gear is rotatably connected to one end of the inside of the mounting frame, the movable part is rotatably connected to the inside of the rotating disk, a second electric push rod is fixedly mounted on one end of the movable part, a limiting member is fixedly mounted on the output end of the second electric push rod, a limiting groove is provided on one end of the second bevel gear, and the clamping member is mounted on the inner wall of the movable part.
[0006] Optionally, a first servo motor is fixedly mounted on one side of the fixing frame, and the rotating disk is fixedly mounted on an output end of the first servo motor.
[0007] Optionally, a second servo motor is fixedly mounted on one side of the fixing frame, and the first bevel gear is fixedly mounted on an output end of the second servo motor.
[0008] Optionally, a mounting piece is fixedly mounted on one end of the movable piece, an annular groove matching the size of the mounting piece is opened inside the rotating disk, the mounting piece is movably connected inside the annular groove, and the rotating disk rotates inside the rotating disk through the mounting piece.
[0009] Optionally, a movable groove is formed on the inner wall of the rotating disk, and one end of the second bevel gear and the second electric push rod are both located inside the movable groove.
[0010] Optionally, the inner wall of the movable part is rotatably connected to a rotating shaft, one end of the clamping part is fixedly installed on the side wall of the rotating shaft, a guide rail is fixedly installed on the inner wall of the movable part, and the other end of the clamping part is slidably connected to the side wall of the guide rail.
[0011] Optionally, a spring is fixedly installed between one side of the clamping member and the inner wall of the movable member.
[0012] It can be seen from the above technical solutions that the embodiments of the utility model have the following advantages:
[0013] 1. The utility model is a multi-station automated robot arm joint changing device, which adopts a changing mechanism. By setting a first electric push rod, a fixed frame and a rotating disk inside the fixed frame can be pushed to move, so that the automated robot arm joint can be inserted into the movable part. By setting a clamping part inside the movable part, the joint inside the movable part can be clamped. By rotating the movable part, the joint can be removed and then the joint that needs to be replaced in other movable parts can be installed, making the automated robot arm joint changing more convenient.
[0014] 2. The utility model is a multi-station automated mechanical arm joint changing device, which adopts a spring design. Such a design can increase the fixing effect of the clamping part, so that the clamping part can better fix joints of various shapes and sizes.
[0015] These features and advantages of the present invention will be disclosed in detail in the following specific implementation manners and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described below in conjunction with the accompanying drawings:
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the rotating disk of the utility model;
[0019] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;
[0020] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.
[0021] Explanation of the reference numerals in the accompanying drawings: 1. first electric push rod; 2. fixed frame; 3. rotating disk; 4. first servo motor; 5. movable part; 6. mounting frame; 7. second servo motor; 8. first bevel gear; 9. second bevel gear; 10. limiting groove; 11. movable groove; 12. second electric push rod; 13. limiting part; 14. mounting part; 15. guide rail; 16. clamping part; 17. spring; 18. rotating shaft. DETAILED DESCRIPTION
[0022] The following is an explanation and description of the technical scheme of the embodiment of the utility model in conjunction with the drawings of the embodiment of the utility model, but the following embodiment is only a preferred embodiment of the utility model, not all. Based on the embodiment in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the utility model.
[0023] A multi-station automated robotic arm joint changing device according to an embodiment of the utility model will be described in detail below with reference to the accompanying drawings.
[0024] Example 1
[0025] For easier understanding, see Figures 1 to 4 , an embodiment of a multi-station automated robot arm joint changing device provided by the utility model comprises a first electric push rod 1, a fixing frame 2 is fixedly mounted on the output end of the first electric push rod 1, and a switching mechanism is arranged inside the fixing frame 2;
[0026] The switching mechanism includes a rotating disk 3, a movable part 5, a mounting frame 6, a first bevel gear 8, a second bevel gear 9 and a clamping member 16. The rotating disk 3 is rotatably connected to one side of the inner wall of the fixed frame 2, the mounting frame 6 is fixedly installed on the other side of the inner wall of the fixed frame 2, the first bevel gear 8 is rotatably connected to one side of the inside of the mounting frame 6, the second bevel gear 9 is rotatably connected to one end of the inside of the mounting frame 6, the movable part 5 is rotatably connected to the inside of the rotating disk 3, a second electric push rod 12 is fixedly installed at one end of the movable part 5, a limiting member 13 is fixedly installed at the output end of the second electric push rod 12, a limiting groove 10 is provided at one end of the second bevel gear 9, and the clamping member 16 is installed on the inner wall of the movable part 5.
[0027] It should be noted that the joint replacement device can be provided with several stations as needed to form a multi-station, and several movable parts 5 are provided. Except for one movable part 5 used for disassembly, the joints that need to be replaced can be prevented inside the other movable parts 5. By providing the first electric push rod 1, the fixed frame 2 and the rotating disk 3 inside the fixed frame 2 can be pushed to move, so that the automatic robot arm joint can be inserted into the movable part 5. By providing a clamping member 16 inside the movable part 5, the joint inside the movable part 5 can be clamped. By providing a limit member 13, when the second electric push rod 12 is extended, it can be clamped into the second bevel gear 9 In the limiting groove 10 at one end, the second bevel gear 9 is driven to rotate by the rotation of the first bevel gear 8, and the movable part 5 can be driven to rotate through the limiting groove 10 and the limiting member 13, so that the internal joint of the movable part 5 can be rotated and removed, and then the second electric push rod 12 is retracted, and the rotating disk 3 is rotated to move the movable part 5 with the joint that needs to be replaced to the interface of the automated robotic arm, and the second electric push rod 12 at one end of the movable part 5 is extended to limit the second bevel gear 9, and the first bevel gear 8 is rotated in the opposite direction to make the internal joint of the movable part 5 screwed into the interface of the automated robotic arm to complete the replacement.
[0028] In some embodiments, Figure 3 As shown, a first servo motor 4 is fixedly mounted on one side of the fixing frame 2, the rotating disk 3 is fixedly mounted on the output end of the first servo motor 4, a second servo motor 7 is fixedly mounted on one side of the fixing frame 2, and the first bevel gear 8 is fixedly mounted on the output end of the second servo motor 7.
[0029] It should be noted that the first servo motor 4 can be provided to control the rotation of the rotating disk 3 , and the second servo motor 7 can be provided to control the rotation of the first bevel gear 8 .
[0030] In some embodiments, Figure 3 As shown, a mounting member 14 is fixedly mounted on one end of the movable member 5, an annular groove matching the size of the mounting member 14 is opened inside the rotating disk 3, the mounting member 14 is movably connected inside the annular groove, the rotating disk 3 rotates inside the rotating disk 3 through the mounting member 14, a movable groove 11 is opened on the inner wall of the rotating disk 3, and one end of the second bevel gear 9 and the second electric push rod 12 are both located inside the movable groove 11.
[0031] It should be noted that the mounting member 14 is provided so that the movable member 5 can rotate inside the rotating disk 3 , and the movable groove 11 is provided so that one end of the second electric push rod 12 on one side of each movable member 5 can be clamped into the second bevel gear 9 .
[0032] Example 2
[0033] In some embodiments, Figure 4As shown, the inner wall of the movable part 5 is rotatably connected to a rotating shaft 18, one end of the clamping part 16 is fixedly installed on the side wall of the rotating shaft 18, the inner wall of the movable part 5 is fixedly installed with a guide rail 15, the other end of the clamping part 16 is slidably connected to the side wall of the guide rail 15, and a spring 17 is fixedly installed between one side of the clamping part 16 and the inner wall of the movable part 5.
[0034] It should be noted that the clamping member 16 is an elastic member. By setting the rotating shaft 18 and the guide rail 15, the clamping member 16 has better ductility. By setting the spring 17, the fixing effect of the clamping member 16 can be increased. The joint inside the movable member 5 can be fixed by the deformation of the clamping member 16, so that the clamping member 16 can fix joints of various shapes and sizes.
[0035] In the present invention, the first electric push rod 1, the first servo motor 4, the second servo motor 7 and the second electric push rod 12 are well-known components and will not be described in detail herein.
[0036] Working principle: when replacement is required, the first electric push rod 1 can push the fixed frame 2 and the rotating disk 3 inside the fixed frame 2 to move, so that the automatic robot arm joint can be inserted into the movable part 5, and the joint inside the movable part 5 can be clamped by arranging a clamping member 16 inside the movable part 5, and the limit member 13 is set when the second electric push rod 12 is extended, It can be stuck in the limit groove 10 at one end of the second bevel gear 9, and the first bevel gear 8 and the second bevel gear 9 are driven to rotate by the second servo motor 7, and the movable part 5 can be driven to rotate by the limit groove 10 and the limit member 13, so that the internal joint of the movable part 5 can be rotated and removed, and then the second electric push rod 12 is retracted, and the rotating disk 3 is driven to rotate by the first servo motor 4 to move the movable part 5 with the joint that needs to be replaced to the interface of the automatic robot arm, and the second electric push rod 12 at one end of the movable part 5 is extended and limited by the second bevel gear 9, and the first bevel gear 8 is rotated in the opposite direction to make the internal joint of the movable part 5 screwed into the interface of the automatic robot arm to complete the replacement.
[0037] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A multi-station automated robot arm joint changing device, characterized in that: It comprises a first electric push rod (1), the output end of which is fixedly mounted with a fixing frame (2), and a switching mechanism is arranged inside the fixing frame (2); The switching mechanism comprises a rotating disk (3), a movable part (5), a mounting frame (6), a first bevel gear (8), a second bevel gear (9) and a clamping member (16); the rotating disk (3) is rotatably connected to one side of the inner wall of the fixed frame (2); the mounting frame (6) is fixedly mounted on the other side of the inner wall of the fixed frame (2); the first bevel gear (8) is rotatably connected to one side of the interior of the mounting frame (6); the second bevel gear (9) is rotatably connected to one end of the interior of the mounting frame (6); the movable part (5) is rotatably connected to the interior of the rotating disk (3); a second electric push rod (12) is fixedly mounted on one end of the movable part (5); a limiting member (13) is fixedly mounted on the output end of the second electric push rod (12); a limiting groove (10) is provided on one end of the second bevel gear (9); and the clamping member (16) is mounted on the inner wall of the movable part (5).
2. A multi-station automated robot arm joint changing device according to claim 1, characterized in that: A first servo motor (4) is fixedly mounted on one side of the fixed frame (2), and the rotating disk (3) is fixedly mounted on the output end of the first servo motor (4).
3. The multi-station automated robot arm joint changing device according to claim 1, characterized in that: A second servo motor (7) is fixedly mounted on one side of the fixing frame (2), and the first bevel gear (8) is fixedly mounted on the output end of the second servo motor (7).
4. The multi-station automated robot arm joint changing device according to claim 1, characterized in that: A mounting member (14) is fixedly mounted on one end of the movable member (5); an annular groove matching the size of the mounting member (14) is provided inside the rotating disk (3); the mounting member (14) is movably connected inside the annular groove; and the rotating disk (3) rotates inside the rotating disk (3) via the mounting member (14).
5. The multi-station automated robot arm joint changing device according to claim 1, characterized in that: The inner wall of the rotating disk (3) is provided with a movable groove (11), and one end of the second bevel gear (9) and the second electric push rod (12) are both located inside the movable groove (11).
6. The multi-station automated robot arm joint changing device according to claim 1, characterized in that: The inner wall of the movable part (5) is rotatably connected to a rotating shaft (18), one end of the clamping part (16) is fixedly mounted on the side wall of the rotating shaft (18), the inner wall of the movable part (5) is fixedly mounted with a guide rail (15), and the other end of the clamping part (16) is slidably connected to the side wall of the guide rail (15).
7. The multi-station automated robot arm joint changing device according to claim 1, characterized in that: A spring (17) is fixedly installed between one side of the clamping member (16) and the inner wall of the movable member (5).