CN220593201U - Rotary connection structure of robot mechanical arm - Google Patents
Rotary connection structure of robot mechanical arm Download PDFInfo
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- CN220593201U CN220593201U CN202321980780.1U CN202321980780U CN220593201U CN 220593201 U CN220593201 U CN 220593201U CN 202321980780 U CN202321980780 U CN 202321980780U CN 220593201 U CN220593201 U CN 220593201U
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- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of robots and discloses a rotating connection structure of a robot arm. The driving bin, the bearing, the driving shaft, the driving fluted disc, the driven gear bin, the rotary connecting bin, the driven shaft and the threaded bottom column are connected to the threaded hole in the positioning convex rod through threads; the screw thread column is arranged at the side part of the rotary driving bin, and the end surface of the screw thread column extending into the rotary driving bin is connected with a movable push rod through a rotating shaft; the connecting support rod is arranged between the movable push rod and the threaded bottom post, and two ends of the connecting support rod are rotationally connected with the threaded bottom post and the movable push rod. According to the utility model, the positioning convex rod can extend outwards from the surface of the rotary driving bin through driving the threaded column, matching with the threaded bottom column, the movable push rod and the connecting support rod, so that the positioning convex rod extends into the positioning hole at the corresponding position, the fixing of the rotary driving bin and the rotary connecting bin is completed, and the combination of the driving shaft and the driven shaft is completed.
Description
Technical Field
The utility model relates to the technical field of pipes, in particular to a rotating connection structure of a robot arm.
Background
The mechanical arm refers to a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling. Because of the unique operation flexibility, the robot arm is widely applied to the fields of industrial assembly, safety explosion prevention and the like, is an automatic mechanical device which is most widely applied to the technical field of robots, and can be seen in the fields of industrial manufacture, medical treatment, entertainment service, military, semiconductor manufacture, space exploration and the like.
According to patent search, the publication number CN214217469U discloses a rotating structure of a cargo stacking mechanical arm, and the rotating structure of the cargo stacking mechanical arm enables a first rotating shaft to be quickly and fixedly installed with a second rotating shaft through the fact that each group of limiting sliding blocks are located in the corresponding limiting guide sliding grooves and are matched with the corresponding limiting guide sliding grooves, each group of fixing clamping blocks are located in the corresponding second limiting clamping grooves and are matched with the corresponding second limiting clamping grooves, and therefore working efficiency and application range are improved; after the first support fixing block and the second support fixing block are combined, the positioning protruding rod is clamped in the stable sliding block, so that the threaded column cannot be pulled out, the rotation driving bin and the bearing cannot be separated, and certain inconvenience exists in overhauling and maintaining of internal parts.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a rotating connection structure of a robot arm, which solves the problems mentioned in the background.
The utility model provides the following technical scheme: comprising the following steps: the automatic transmission device comprises a rotary driving bin, a bearing, a driving shaft, a driving fluted disc, a driven tooth bin, a rotary connecting bin and a driven shaft, wherein the driving fluted disc is arranged in a cavity of the rotary driving bin, the driving shaft is fixedly arranged at the center of the driving fluted disc, the bearing is arranged on the outer sleeve of the driving shaft, the rotary connecting bin is arranged on one side of the rotary driving bin, the driven tooth bin is arranged in the cavity of the rotary connecting bin, and the driven tooth bin is far away from the center of one end of the driving fluted disc and is fixedly provided with the driven shaft, and the automatic transmission device is characterized in that:
the positioning holes are formed in the inner wall of the rotary connecting bin and distributed in annular intervals, and the outer part of the rotary driving bin penetrates through the jack in an annular mode;
the positioning convex rod is connected in the jack outside the rotary driving bin in a sliding way, and an internal threaded hole is formed in the bottom of the positioning convex rod;
the threaded bottom column is connected to the threaded hole in the positioning convex rod through threads;
the screw thread column is arranged at the side part of the rotary driving bin, and the end surface of the screw thread column extending into the rotary driving bin is connected with a movable push rod through a rotating shaft;
the connecting support rod is arranged between the movable push rod and the threaded bottom post, and two ends of the connecting support rod are rotationally connected with the threaded bottom post and the movable push rod.
Further, the end face of the rotary driving bin, which is far away from the opening, is fixedly provided with a connecting part, and the surface of the connecting part is connected with the bearing through bolts distributed at annular intervals.
Further, the inside of the rotary driving bin is provided with a cavity, the front section of the cavity is in threaded connection with the threaded column, and the other section of the cavity is provided with a space for allowing the movable push rod and the connecting support rod to move.
Further, the top of the movable push rod is fixedly provided with a stable slide block, and the top wall of the cavity of the rotary driving bin is provided with a slide groove allowing the stable slide block to slide.
Further, the external tooth plate of the driving tooth plate and the internal tooth block of the driven tooth chamber are meshed with each other after the driven tooth chamber is combined with the cavity of the rotary driving chamber.
Further, a placement groove is arranged between the rotary connecting bin and the driven tooth bin, a guide groove which is in the same straight line with the positioning hole and the positioning convex rod is formed in the inner wall of the front end of the rotary connecting bin, and the positioning convex rod can slide in the guide groove.
Compared with the prior art, the utility model has the following beneficial effects:
when the rotation driving bin is combined with the rotation connecting bin, the driven tooth bin stretches into the cavity inside the rotation driving bin, so that the inner teeth of the driven tooth bin are meshed with the outer teeth of the driving fluted disc, the driving shaft can be utilized to drive the driven shaft to rotate, the combined rear rotation connecting bin is sleeved on the periphery of the rotation driving bin, the positioning protruding rod stretches out of the surface of the rotation driving bin through the driving threaded column, the threaded bottom column, the movable push rod and the connecting support rod, the positioning protruding rod stretches into the positioning hole at the corresponding position, the fixing of the rotation driving bin and the rotation connecting bin is completed, the combination of the driving shaft and the driven shaft can be completed, the rotation driving bin and the rotation connecting bin can be detached through the reverse rotation threaded column, the replacement and maintenance of parts can be conveniently and regularly carried out on the inside of the whole structure, and the design is more reasonable.
Drawings
FIG. 1 is an external view of the present utility model;
FIG. 2 is an internal cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the positioning boss of the present utility model.
In the figure: 1. rotating the driving bin; 2. a bearing; 3. a connection part; 4. a driving shaft; 5. a driving fluted disc; 6. a threaded bottom post; 7. rotating the connecting bin; 8. placing in a groove; 9. a driven tooth chamber; 10. a driven shaft; 11. positioning the convex rod; 12. positioning holes; 14. a threaded column; 15. stabilizing the sliding block; 16. moving the push rod; 17. and (5) connecting the supporting rods.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the method includes: the rotary driving bin 1, the bearing 2, the driving shaft 4, the driving fluted disc 5, the driven tooth bin 9, the rotary connecting bin 7 and the driven shaft 10, the driving fluted disc 5 is arranged in a cavity of the rotary driving bin 1, the driving shaft 4 is fixedly arranged at the central part of the driving fluted disc 5, the bearing 2 is sleeved outside the driving shaft 4, the rotary connecting bin 7 is arranged at one side of the rotary driving bin 1, the driven tooth bin 9 is arranged in the cavity of the rotary connecting bin 7, the driven shaft 10 is fixedly arranged at the central part of one end of the driven tooth bin 9 far from the driving fluted disc 5, the connecting part 3 of a convex structure is fixedly arranged at the periphery of the central part of one end of the rotary driving bin 1 far from the opening, the connecting part 3 adopts a ring shape, screw holes penetrating the direction towards the center of a circle are formed in the surface, screw holes matched with the connecting part 3 and the bearing 2 are also formed at the outer wall of the bearing 2, so that the connecting part 3 and the bearing 2 can be combined by bolts at the position, thus, the fixing of the positions of the bearing 2 and the rotary driving bin 1 is completed, the rotation stability of the driving shaft 4 under the support of the bearing 2 is kept, the outer wall of the driving fluted disc 5 is provided with outer annular teeth, the outer annular teeth correspond to the inner annular teeth distributed on the inner wall of the driven tooth bin 9, when the driven tooth bin 9 stretches into the cavity of the rotary driving bin 1, the outer wall of the driven tooth bin 9 is inserted into the gap between the rotary driving bin 1 and the driving fluted disc 5, the annular inner teeth of the driven tooth bin 9 are meshed and combined with the external teeth of the driving fluted disc 5, meanwhile, the front end part of the rotary driving bin 1 can infiltrate into the position of the embedded groove 8 in the cavity of the rotary connecting bin 7, the front end part of the rotary driving bin 1 finally props against the rear end face of the embedded groove 8, and the bearing 2 is arranged at the contact part of the driven shaft 10 and the opening of the rotary connecting bin 7.
The positioning holes 12 are formed in the inner wall of the rotary connecting bin 7 and distributed at annular intervals, and the outer part of the rotary driving bin 1 penetrates through the jack in an annular mode; the positioning convex rod 11 is connected in a jack at the outer part of the rotary driving bin 1 in a sliding way, and an internal threaded hole is formed in the bottom of the positioning convex rod 11; the threaded bottom post 6 is connected with the internal threaded hole of the positioning convex rod 11 through threads; the threaded column 14 is arranged at the side part of the rotary driving bin 1, and the end surface of the threaded column 14 extending into the rotary driving bin 1 is connected with a movable push rod 16 through a rotating shaft; the connecting strut 17 is installed between the movable push rod 16 and the threaded bottom post 6, two ends of the connecting strut 17 are rotationally connected with the threaded bottom post 6 and the movable push rod 16, two groups of spaces are arranged inside the rotary driving bin 1, one group is a threaded section matched with the threaded post 14, so that the threaded post 14 can be driven by threads along the threaded section, the other group is a larger space, the space for allowing the movable push rod 16 and the connecting strut 17 to move is provided, when the end part of the threaded post 14 is rotated, the movable push rod 16 connected with the front end part of the threaded post 14 through a shaft transversely moves in an inner cavity of the rotary driving bin 1, so that the movable push rod 16 drives the connecting strut 17 at the top to move, and as the positioning convex rod 11 is limited in an opening of the annular outer wall of the rotary driving bin 1, the positioning convex rod 11 can only longitudinally move, so that along with the movement of the movable push rod 16, under the connection of the connecting strut 17, the positioning convex rod 11 presents a longitudinal movement track, when the movable push rod 16 moves towards the rotary connecting bin 7, the positioning convex rod 11 lifts upwards, otherwise, the positioning convex rod 11 falls down, the two ends of the connecting strut 17 are respectively in rotary connection with the movable push rod 16 and the threaded bottom post 6, thus after the rotary driving bin 1 is combined with the rotary connecting bin 7, the positioning convex rod 11 extends outwards to extend into the positioning hole 12 at the corresponding position, so that the rotary connecting bin 7 is clamped inside the rotary driving bin 1 and cannot be separated and moved, the inner wall of the front end of the rotary connecting bin 7 is provided with a guide groove which is positioned on the same straight line with the positioning hole 12 and the positioning convex rod 11, the positioning convex rod 11 can slide in the guide groove, a part of the positioning convex rod 11 can be protruded for more accurate positioning installation, and the protruding part of the positioning convex rod 11 can move along the guide groove, the positioning convex rod 11 can be more accurately arranged in the groove of the positioning hole 12, an internal thread cavity is formed in the bottom of the positioning convex rod 11 and matched with the external thread on the top of the thread bottom column 6, the positioning convex rod 11 can be independently disassembled and assembled, a group of stable sliding blocks 15 are fixedly arranged on the top of the movable push rod 16 for improving the stability of the movable push rod 16 in the moving process, and a sliding groove allowing the stable sliding blocks 15 to slide is formed in the top wall of the cavity of the rotary driving bin 1, so that the movable push rod 16 slides stably in the sliding groove by virtue of the stable sliding blocks 15 to push the connecting strut 17.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rotational connection structure of a robot arm, comprising: the automatic transmission device comprises a driving bin (1), a bearing (2), a driving shaft (4), a driving fluted disc (5), a driven tooth bin (9), a rotating connecting bin (7) and a driven shaft (10), wherein the driving fluted disc (5) is arranged in a cavity of the driving bin (1), the driving shaft (4) is fixedly arranged at the center part of the driving fluted disc (5), the bearing (2) is sleeved outside the driving shaft (4), the rotating connecting bin (7) is arranged on one side of the driving bin (1), the driven tooth bin (9) is arranged in the cavity of the rotating connecting bin (7), and the driven tooth bin (9) is far away from the center part of one end of the driving fluted disc (5) and is fixedly provided with the driven shaft (10), and the automatic transmission device is characterized in that:
the positioning holes (12) are formed in the inner wall of the rotary connecting bin (7) and distributed at annular intervals, and the outer part of the rotary driving bin (1) penetrates through the insertion holes in an annular mode;
the positioning convex rod (11) is connected in the jack outside the rotary driving bin (1) in a sliding way, and an internal threaded hole is formed in the bottom of the positioning convex rod (11);
the threaded bottom column (6) is connected to the internal threaded hole of the positioning convex rod (11) through threads;
the screw thread column (14) is arranged at the side part of the rotary driving bin (1), and the end surface of the screw thread column (14) extending into the rotary driving bin (1) is connected with the movable push rod (16) through the rotating shaft;
the connecting support rod (17) is arranged between the movable push rod (16) and the threaded bottom column (6), and two ends of the connecting support rod (17) are rotatably connected with the threaded bottom column (6) and the movable push rod (16).
2. The rotating connection structure of the robot arm according to claim 1, wherein the end face of the rotating driving bin (1) far away from the opening is fixedly provided with a connecting portion (3), and the surface of the connecting portion (3) is connected with the bearing (2) through bolts distributed at annular intervals.
3. A rotary connection structure of a robot arm according to claim 1, characterized in that the interior of the rotary driving cabin (1) is provided with a cavity, the front section of which is in threaded connection with the threaded column (14), and the other section is provided with a space allowing the movement of the movable push rod (16) and the connecting strut (17).
4. The rotating connection structure of the robot arm according to claim 1, wherein a stabilizing slide block (15) is fixedly arranged at the top of the movable push rod (16), and a sliding groove allowing the stabilizing slide block (15) to slide is formed in the top wall of the cavity of the rotating driving bin (1).
5. The rotary connection structure of a robot arm according to claim 1, wherein the external tooth plate of the driving tooth plate (5) and the internal tooth block of the driven tooth chamber (9) are meshed with each other after the driven tooth chamber (9) is combined with the cavity of the rotary driving chamber (1).
6. The rotary connecting structure of the robot arm according to claim 1, wherein an imbedding groove (8) is arranged between the rotary connecting bin (7) and the driven tooth bin (9), a guide groove which is in the same straight line with the positioning hole (12) and the positioning convex rod (11) is formed in the inner wall of the front end of the rotary connecting bin (7), and the positioning convex rod (11) can slide in the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980780.1U CN220593201U (en) | 2023-07-26 | 2023-07-26 | Rotary connection structure of robot mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980780.1U CN220593201U (en) | 2023-07-26 | 2023-07-26 | Rotary connection structure of robot mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220593201U true CN220593201U (en) | 2024-03-15 |
Family
ID=90180897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321980780.1U Active CN220593201U (en) | 2023-07-26 | 2023-07-26 | Rotary connection structure of robot mechanical arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220593201U (en) |
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2023
- 2023-07-26 CN CN202321980780.1U patent/CN220593201U/en active Active
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