CN218177766U - Joint robot transmission shaft connecting structure - Google Patents
Joint robot transmission shaft connecting structure Download PDFInfo
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- CN218177766U CN218177766U CN202222620938.6U CN202222620938U CN218177766U CN 218177766 U CN218177766 U CN 218177766U CN 202222620938 U CN202222620938 U CN 202222620938U CN 218177766 U CN218177766 U CN 218177766U
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Abstract
The utility model discloses a connection structure of joint robot transmission shaft, it belongs to transmission technical field. The defects that the traditional long shaft type transmission shaft in the prior art is high in processing cost and low in production efficiency are overcome. The main structure of the transmission short shaft comprises a transmission long shaft, a connecting shaft sleeve and a transmission short shaft, wherein an external thread B is arranged at one end of the transmission short shaft, an internal thread C is arranged in the connecting shaft sleeve, an external thread A matched with the internal thread C and a short shaft mounting hole are arranged at one end of the transmission long shaft, and an internal thread D matched with the external thread B is arranged in the short shaft mounting hole. The utility model discloses mainly used joint robot is last.
Description
Technical Field
The utility model belongs to the technical field of transmission structure, specifically speaking especially relates to a connection structure of joint robot transmission shaft.
Background
Along with the development of science and technology, the complexity of the mechanical structure of equipment is also continuously improved, the structure of a power transmission system is more complex, the transmission system not only requires transmission power, but also has the requirement on transmission precision, so that the higher requirement is provided for the processing precision of shaft parts, and the longer the shaft parts are, the more difficult the requirement on the coaxiality of two ends of the shaft is to be ensured. The long shaft part machining improves the requirements on equipment precision and skill of machining personnel, improves the machining cost of the long shaft parts and reduces the production efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome prior art not enough, provides a connection structure of joint robot transmission shaft, and it reduces the processing stroke requirement to equipment, and the machining precision of minor axis is guaranteed more easily to improve parts machining efficiency, reduce the processing cost, simple structure is convenient for assemble and dismantle.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides a connection structure of joint robot transmission shaft, includes transmission major axis, connecting sleeve and transmission minor axis, the one end of transmission minor axis is equipped with external screw thread B, is equipped with internal thread C in the connecting sleeve, the one end of transmission major axis is equipped with external screw thread A and minor axis mounting hole with internal screw thread C matched with, is equipped with the internal screw thread D with external screw thread B matched with in the minor axis mounting hole.
Preferably, the transmission long shaft is installed in a matched mode with the transmission short shaft through an internal thread D and an external thread B, the transmission long shaft is installed in a matched mode with the connecting shaft sleeve through an external thread A and an internal thread C, a shaft retainer ring installation groove is further formed in one end of the transmission short shaft, and a shaft retainer ring is installed between the shaft retainer ring installation groove and the connecting shaft sleeve.
Preferably, the external thread B is a right-handed external thread, the internal thread D is a right-handed internal thread, the external thread A is a left-handed external thread, and the internal thread C is a left-handed internal thread.
Preferably, the external thread B is a left-handed external thread, the internal thread D is a left-handed internal thread, the external thread A is a right-handed external thread, and the internal thread C is a right-handed internal thread.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the utility model, the long shaft with the length more than one meter and five can be divided into two or more short shafts for connection, and the long shaft is not required to be welded into one long shaft for processing in a mode of welding a plurality of short shafts, because of multi-section shaft connection, the length of each section of shaft can be controlled within one meter, the processing stroke requirement on equipment is reduced, and the processing precision of the short shaft is easier to ensure, thereby improving the processing efficiency of parts, reducing the processing cost, having simple structure and being convenient for assembly and disassembly;
2. the self-locking energy supply of the positive and negative rotation of the transmission shaft can be realized through different rotation directions, the automatic locking function of the whole structure is realized through the left-handed thread and the right-handed thread during the positive and negative rotation, and the loosening of the joint can not occur in the rotation process;
3. the shaft retainer ring mounting groove is used for mounting a shaft retainer ring, and the axial movement of the connecting shaft sleeve is limited by the shaft retainer ring.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of the present invention.
In the figure: 1. a transmission long shaft; 2. connecting the shaft sleeve; 3. a drive stub shaft; 4. a retainer ring for a shaft; 5. a retainer ring mounting groove for a shaft; 6. an external thread A; 7. a short shaft mounting hole; 8. an external thread B; 9. and an internal thread C.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Example 1:
as shown in fig. 1-2, a connection structure of a joint robot transmission shaft includes a transmission long shaft 1, a connection shaft sleeve 2 and a transmission short shaft 3, wherein one end of the transmission short shaft 3 is provided with an external thread B8, an internal thread C9 is arranged in the connection shaft sleeve 2, one end of the transmission long shaft 1 is provided with an external thread A6 and a short shaft mounting hole 7 which are matched with the internal thread C9, and an internal thread D which is matched with the external thread B8 is arranged in the short shaft mounting hole 7.
The connecting shaft sleeve 2 is axially matched with the transmission short shaft 3, so that the coaxiality requirement of assembling the two ends of the transmission long shaft 1 and the transmission short shaft 3 is met.
Example 2:
the utility model provides a connection structure of joint robot transmission shaft, transmission major axis 1 is installed through internal thread D and external screw thread B8 and the cooperation of transmission minor axis 3, and transmission major axis 1 still installs through external screw thread A6 and internal screw thread C9 and the cooperation of coupling sleeve 2, and the one end of transmission minor axis 3 still is equipped with for the axle retaining ring mounting groove 5, installs for the axle retaining ring 4 between axle retaining ring mounting groove 5 and the coupling sleeve 2. The shaft retainer mounting groove 5 is used for mounting the shaft retainer 4 and limiting the axial movement of the connecting sleeve 2.
The external thread B8 is a right-handed external thread, the internal thread D is a right-handed internal thread, the external thread A6 is a left-handed external thread, and the internal thread C9 is a left-handed internal thread. The rest is the same as in example 1.
Example 3:
the utility model provides a connection structure of joint robot transmission shaft, external screw thread B8 is the levogyration external screw thread, and internal thread D is the levogyration internal thread, and external screw thread A6 is the dextrorotation external screw thread, and internal thread C9 is the dextrorotation internal thread. The self-locking energy supply of the positive and negative rotation of the transmission shaft can be realized through different rotation directions, the automatic locking function of the integral structure is realized through the left-handed threads and the right-handed threads when the positive and negative rotation is ensured, and the condition that the joint is not loosened in the rotation process is ensured. The other portions are the same as in example 1.
The utility model discloses not only confine to a transmission major axis 1 and transmission minor axis 3's mode, when whole root axis requires longer, can the split become the form of three-section, the connected mode of every section is the same with two hub connection modes, when the split becomes the three-section, can be that two transmission major axes 1 and a transmission minor axis 3 are connected, or the mode that a transmission major axis 1 and two transmission minor axes 3 are connected.
Claims (4)
1. The utility model provides a connection structure of joint robot transmission shaft which characterized in that: including transmission major axis (1), connecting sleeve (2) and transmission minor axis (3), the one end of transmission minor axis (3) is equipped with external screw thread B (8), is equipped with internal thread C (9) in connecting sleeve (2), the one end of transmission major axis (1) is equipped with external screw thread A (6) and minor axis mounting hole (7) with internal screw thread C (9) matched with, is equipped with in minor axis mounting hole (7) with external screw thread B (8) matched with internal screw thread D.
2. The joint robot transmission shaft connecting structure according to claim 1, wherein: transmission major axis (1) is through internal thread D and external screw thread B (8) and transmission minor axis (3) cooperation installation, and transmission major axis (1) still is through external screw thread A (6) and internal screw thread C (9) and connecting sleeve (2) cooperation installation, and the one end of transmission minor axis (3) still is equipped with for the axle retaining ring mounting groove (5), installs for the axle retaining ring (4) between axle retaining ring mounting groove (5) and connecting sleeve (2).
3. The joint robot transmission shaft connecting structure according to claim 1 or 2, characterized in that: the external thread B (8) is a right-handed external thread, the internal thread D is a right-handed internal thread, the external thread A (6) is a left-handed external thread, and the internal thread C (9) is a left-handed internal thread.
4. The joint robot transmission shaft connecting structure according to claim 1 or 2, characterized in that: the external thread B (8) is a left-handed external thread, the internal thread D is a left-handed internal thread, the external thread A (6) is a right-handed external thread, and the internal thread C (9) is a right-handed internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222620938.6U CN218177766U (en) | 2022-09-30 | 2022-09-30 | Joint robot transmission shaft connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222620938.6U CN218177766U (en) | 2022-09-30 | 2022-09-30 | Joint robot transmission shaft connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218177766U true CN218177766U (en) | 2022-12-30 |
Family
ID=84625361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222620938.6U Active CN218177766U (en) | 2022-09-30 | 2022-09-30 | Joint robot transmission shaft connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218177766U (en) |
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2022
- 2022-09-30 CN CN202222620938.6U patent/CN218177766U/en active Active
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