CN212193250U

CN212193250U - Robot joint lubricating mechanism

Info

Publication number: CN212193250U
Application number: CN202021017197.7U
Authority: CN
Inventors: 黄成洋; 潘攀
Original assignee: Chengdu Univeristy of Technology
Current assignee: Chengdu Univeristy of Technology
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-12-22
Anticipated expiration: 2030-06-05

Abstract

The utility model provides a lubricated mechanism of robot joint department relates to the lubricated technical field of robot joint, including installation arm and lubricating arrangement, the position rotation that the installation arm surface is close to the upper end is connected with first rocking arm, and the one end that the installation arm was kept away from to first rocking arm is inserted and is equipped with the pivot, and the surface cover of pivot has the second rocking arm, and the second rocking arm rotates with the help of pivot and first rocking arm to be connected. The utility model discloses, through setting up lubricating arrangement, the inserted bar of runner extrusion spacing inslot portion makes the inserted bar pulling spring slide in installation section of thick bamboo inside, thereby make the gap produce between baffle and the installation section of thick bamboo, the inside oil of the oilcan of installation section of thick bamboo surface connector link produces the gap and flows to the baffle surface along the inserted bar between baffle and the installation section of thick bamboo, fluid flows in the gap between pivot and the first rocking arm through the baffle, thereby lubricated effect between first rocking arm and the second rocking arm has been reached, the problem that the friction increase that has caused the joint easily when robot joint department lacks lubricating oil leads to joint wear serious is solved.

Description

Robot joint lubricating mechanism

Technical Field

The utility model relates to a lubricated technical field of robot joint especially relates to a lubricated mechanism of robot joint department.

Background

The robot is an intelligent machine capable of working semi-autonomously or fully autonomously, has basic characteristics of perception, decision, execution and the like, can assist or even replace human beings to finish dangerous, heavy and complex work, improves the working efficiency and quality, serves human life, and expands or extends the activity and capability range of the human beings.

At present, the robot used in the industrial field operation site is replaced by a robot frequently in repeated operation links, the lubricating oil consumption of the joint part of the robot is fast due to the long-term repeated operation, and the joint abrasion is serious due to the increase of the friction of the joint when the joint part of the robot lacks the lubricating oil.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a robot joint lubricating mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a robot joint lubricating mechanism comprises a mounting arm and a lubricating device, wherein a first rotating arm is rotatably connected to the surface of the mounting arm near the upper end, a rotating shaft is inserted into one end of the first rotating arm far away from the mounting arm, a second rotating arm is sleeved on the surface of the rotating shaft, the second rotating arm is rotatably connected with the first rotating arm by virtue of a rotating shaft, a lubricating device is arranged on the surface of the first rotating arm close to the rotating shaft, the lubricating device comprises a slip ring which is sleeved on the surface of the first rotating arm, the upper end of the slip ring is rotatably connected with a rotating wheel, the surface of the rotating wheel is contacted with the rotating shaft, one side of the rotating wheel far away from the rotating shaft is provided with an adjusting mechanism, the adjusting mechanism is arranged in an inclined mode, the bottom end of the adjusting mechanism is fixedly connected with the sliding ring, one end, far away from the adjusting mechanism, of the sliding ring is fixedly connected with a guide plate, and the guide plate points to a gap between the rotating shaft and the first rotating arm.

Preferably, the adjusting mechanism comprises an installation cylinder, the installation cylinder is arranged in an inclined manner, the bottom end of the installation cylinder is fixedly connected with the sliding ring, a connector is arranged at the upper end of the installation cylinder, the installation cylinder is communicated with the oil can through the connector, a cover is clamped at the port of the installation cylinder, a spring is fixedly connected to the surface of the cover in the installation cylinder, a baffle is fixedly connected to one end, away from the cover, of the spring, an insertion rod is fixedly connected to one end, away from the spring, of the baffle, the surface of the insertion rod penetrates through the installation cylinder, and the port of the insertion rod is in contact with the rotating wheel.

Preferably, the side wall of the rotating wheel is provided with a limiting groove, the limiting groove is uniformly distributed on the surface of the rotating wheel, and the size of the limiting groove is matched with that of the inserted rod.

Preferably, a bolt is vertically inserted into the upper wall of the slip ring, the bolt and the slip ring are in threaded connection, and a port of the bolt is in contact with the first rotating arm.

Preferably, the position of the bottom end of the second rotating arm relative to the rotating shaft is provided with a collecting device, the collecting device comprises a conical block, the tip end of the conical block faces upwards, the tip end of the conical block is fixedly connected with the second rotating arm, and one end, far away from the second rotating arm, of the conical block is fixedly connected with a collecting hopper.

Preferably, a mounting hole is formed in one end, away from the second rotating arm, of the conical block, a connecting rod is inserted into the inner thread of the mounting hole, and a collecting hopper is fixedly connected to one end, away from the conical block, of the connecting rod.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, the sliding ring is sleeved on the surface of the first rotating arm by arranging the lubricating device, the position of the slip ring on the first rotating arm is fixed through the bolt on the surface of the rotating slip ring, the inserted rod is inserted into the limiting groove to contact the rotating wheel and the rotating shaft, when the second rotating arm rotates in the first rotating arm by means of the rotating shaft, the rotating shaft drives the rotating wheel to rotate, the rotating wheel extrudes the inserted link in the limiting groove to enable the inserted link to pull the spring to slide in the mounting cylinder, so that a gap is generated between the baffle plate and the mounting cylinder, oil in an oil can connected with a connector on the surface of the mounting cylinder flows to the surface of the baffle plate along the inserted link through the gap generated between the baffle plate and the mounting cylinder, the oil flows into the gap between the rotating shaft and the first rotating arm through the baffle plate, therefore, the effect of lubricating the first rotating arm and the second rotating arm is achieved, and the problem that the friction of the joint is increased easily to cause serious joint abrasion when the joint of the robot is lack of lubricating oil is solved.

2. The utility model discloses in, through setting up collection device, the unnecessary lubricating oil drips the toper piece surface between lubricated first rocking arm and the second rocking arm, through the toper piece with fluid water conservancy diversion to collect fill inside, thereby collect through rotating and fight the connecting rod that makes the collection fill upper end roll out the mounting hole and demolish the collection fill, reached the effect of collecting lubricating oil.

Drawings

Fig. 1 is a schematic perspective view of a lubrication mechanism at a joint of a robot according to the present invention;

fig. 2 is a schematic bottom structure view of fig. 1 in a lubrication mechanism at a robot joint according to the present invention;

fig. 3 is an exploded schematic view of the collecting device shown in fig. 2 in the lubricating mechanism of the robot joint;

fig. 4 is a schematic structural view of a lubricating device in a lubricating mechanism at a robot joint according to the present invention;

fig. 5 is the utility model provides a structural schematic diagram of adjustment mechanism in lubricated mechanism of robot joint department.

Illustration of the drawings: 1. mounting an arm; 2. a first rotating arm; 3. a rotating shaft; 4. a second rotating arm; 5. a lubricating device; 51. a slip ring; 52. a rotating wheel; 53. a limiting groove; 54. an adjustment mechanism; 541. a connecting port; 542. mounting the cylinder; 543. a cover; 544. inserting a rod; 545. a baffle plate; 546. a spring; 55. a baffle; 6. a collection device; 61. a conical block; 62. mounting holes; 63. a connecting rod; 64. a collecting hopper.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 5, the utility model provides a robot joint department lubricating mechanism, including installation arm 1 and lubricating arrangement 5, the position that the surface of installation arm 1 is close to the upper end is rotated and is connected with first rocking arm 2, the one end that installation arm 1 was kept away from to first rocking arm 2 is inserted and is equipped with pivot 3, the surface cover of pivot 3 has second rocking arm 4, second rocking arm 4 rotates with first rocking arm 2 with the help of pivot 3 and is connected, the position that the surface of first rocking arm 2 is close to pivot 3 is equipped with lubricating arrangement 5, lubricating arrangement 5 includes sliding ring 51, sliding ring 51 covers on the surface of first rocking arm 2, the upper end of sliding ring 51 is rotated and is connected with runner 52, the surface and the pivot 3 contact of runner 52, one side that runner 52 kept away from pivot 3 is equipped with adjustment mechanism 54, adjustment mechanism 54 inclines to set up.

The specific arrangement and function of the adjustment mechanism 54 and the collecting device 6 will be described in detail below.

As shown in fig. 4 and 5, the bottom end of the adjusting mechanism 54 is fixedly connected with the sliding ring 51, one end of the sliding ring 51, which is far away from the adjusting mechanism 54, is fixedly connected with a flow guiding plate 55, a bolt is vertically inserted into the upper wall of the sliding ring 51, the bolt is in threaded connection with the sliding ring 51, and a port of the bolt contacts with the first rotating arm 2, the flow guiding plate 55 points to a gap between the rotating shaft 3 and the first rotating arm 2, the adjusting mechanism 54 comprises a mounting cylinder 542, the mounting cylinder 542 is obliquely arranged, a limiting groove 53 is formed in the side wall of the rotating wheel 52, the limiting groove 53 is uniformly distributed on the surface of the rotating wheel 52, the size of the limiting groove 53 is matched with the size of the insertion rod 544, the bottom end of the mounting cylinder 542 is fixedly connected with the sliding ring 51, a connecting port 541 is formed in the upper end of the mounting cylinder 542, the mounting cylinder 542 is communicated with an oil can by the, a baffle 545 is fixedly connected to one end of the spring 546, which is far away from the cover 543, an insertion rod 544 is fixedly connected to one end of the baffle 545, which is far away from the spring 546, the surface of the insertion rod 544 penetrates through the mounting barrel 542, and the port of the insertion rod 544 is contacted with the runner 52.

The whole adjusting mechanism 54 achieves the effect that by arranging the lubricating device 5, the sliding ring 51 is sleeved on the surface of the first rotating arm 2, the position of the sliding ring 51 on the first rotating arm 2 is fixed through bolts on the surface of the rotating sliding ring 51, the inserting rod 544 is inserted in the limiting groove 53 to contact the rotating wheel 52 with the rotating shaft 3, when the second rotating arm 4 rotates in the first rotating arm 2 through the rotating shaft 3, the rotating wheel 3 drives the rotating wheel 52 to rotate, the rotating wheel 52 presses the inserting rod 544 in the limiting groove 53 to enable the inserting rod 544 to pull the spring 546 to slide in the mounting cylinder 542, so that a gap is generated between the baffle 545 and the mounting cylinder 542, oil in an oil can which is connected with a connecting port on the surface of the mounting cylinder 542 flows to the surface of the baffle 545 along the inserting rod 544 through the gap generated between the baffle 545, the oil flows into the gap between the rotating shaft 3 and the first rotating arm 2 through the baffle 545, so as to achieve the effect of lubricating between the first rotating arm 2, the problem of the robot joint department cause the friction increase of joint to lead to the joint to wear seriously when lacking lubricating oil easily is solved.

As shown in fig. 1 and 3, the bottom end of the second rotating arm 4 is provided with a collecting device 6 relative to the position of the rotating shaft 3, the collecting device 6 comprises a conical block 61, the tip of the conical block 61 faces upwards, the tip of the conical block 61 is fixedly connected with the second rotating arm 4, one end of the conical block 61 far away from the second rotating arm 4 is fixedly connected with a collecting hopper 64, one end of the conical block 61 far away from the second rotating arm 4 is provided with a mounting hole 62, a connecting rod 63 is inserted into the internal thread of the mounting hole 62, and one end of the connecting rod 63 far away from the conical block 61 is fixedly connected with the collecting hopper 64.

The whole collecting device 6 achieves the effect that by arranging the collecting device 6, when redundant lubricating oil drops to the surface of the conical block 61 between the first rotating arm 2 and the second rotating arm 4, the oil is guided to the inside of the collecting hopper 64 through the conical block 61, the connecting rod 63 at the upper end of the collecting hopper 64 is rotated out of the mounting hole 62 by rotating the collecting hopper 64, so that the collecting hopper 64 is detached, and the lubricating oil is collected.

The whole working principle is that a manipulator is installed on the ground through an installation arm 1, a first rotating arm 2 and a second rotating arm 4 rotate through a rotating shaft 3, a slip ring 51 is sleeved on the surface of the first rotating arm 2, the position of the slip ring 51 on the first rotating arm 2 is fixed through bolts on the surface of the slip ring 51, an insertion rod 544 is inserted into a limiting groove 53 to enable the rotating wheel 52 and the rotating shaft 3 to be in contact, when the second rotating arm 4 rotates inside the first rotating arm 2 through the rotating shaft 3, the rotating shaft 3 drives the rotating wheel 52 to rotate, the rotating wheel 52 presses the insertion rod 544 inside the limiting groove 53 to enable the insertion rod 544 to pull a spring 546 to slide inside an installation barrel 542, a gap is generated between a baffle 545 and the installation barrel 542, oil inside an oil can connected with the surface 541 of the installation barrel 545 generates a gap between the baffle 545 and the surface of the baffle 545, the oil flows to the surface of the baffle 545, the oil flows into the gap between the rotating shaft 3 and the, thereby, the effect of lubricating between the first rotating arm 2 and the second rotating arm 4 is achieved, when the redundant lubricating oil between the first rotating arm 2 and the second rotating arm 4 is lubricated and dropped on the surface of the conical block 61, the oil is guided to the inside of the collecting hopper 64 through the conical block 61, and the connecting rod 63 at the upper end of the collecting hopper 64 is rotated out of the mounting hole 62 by rotating the collecting hopper 64, so that the collecting hopper 64 is detached.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A robot joint department lubricating mechanism, includes installation arm (1) and lubricating arrangement (5), its characterized in that: the surface of the mounting arm (1) is rotatably connected with a first rotating arm (2) at a position close to the upper end, one end, far away from the mounting arm (1), of the first rotating arm (2) is inserted with a rotating shaft (3), the surface of the rotating shaft (3) is sleeved with a second rotating arm (4), the second rotating arm (4) is rotatably connected with the first rotating arm (2) through the rotating shaft (3), a lubricating device (5) is arranged at a position, near the rotating shaft (3), of the surface of the first rotating arm (2), the lubricating device (5) comprises a sliding ring (51), the sliding ring (51) is sleeved on the surface of the first rotating arm (2), the upper end of the sliding ring (51) is rotatably connected with a rotating wheel (52), the surface of the rotating wheel (52) is in contact with the rotating shaft (3), one side, far away from the rotating shaft (3), of the rotating wheel (52) is provided with an adjusting mechanism (, the bottom end of the adjusting mechanism (54) is fixedly connected with the sliding ring (51), one end, far away from the adjusting mechanism (54), of the sliding ring (51) is fixedly connected with a guide plate (55), and the guide plate (55) points to a gap between the rotating shaft (3) and the first rotating arm (2).

2. The lubrication mechanism at a robot joint according to claim 1, wherein: the adjusting mechanism (54) comprises an installation barrel (542), the installation barrel (542) is obliquely arranged, the bottom end of the installation barrel (542) is fixedly connected with the sliding ring (51), a connecting port (541) is formed in the upper end of the installation barrel (542), the installation barrel (542) is communicated with the oil can through the connecting port (541), a cover (543) is clamped at a port of the installation barrel (542), a spring (546) is fixedly connected to the surface of the cover (543) in the installation barrel (542), a baffle (545) is fixedly connected to one end, away from the cover (543), of the spring (546), an insertion rod (544) is fixedly connected to one end, away from the spring (546), of the baffle (545), the surface of the insertion rod (544) penetrates through the installation barrel (542), and the port of the insertion rod (544) is contacted with the rotating wheel (52).

3. The lubrication mechanism at a robot joint according to claim 1, wherein: the side wall of the rotating wheel (52) is provided with limiting grooves (53), the limiting grooves (53) are uniformly distributed on the surface of the rotating wheel (52), and the size of the limiting grooves (53) is matched with that of the inserted rod (544).

4. The lubrication mechanism at a robot joint according to claim 3, wherein: and a bolt is vertically inserted into the upper wall of the sliding ring (51), the bolt is in threaded connection with the sliding ring (51), and the port of the bolt is in contact with the first rotating arm (2).

5. The lubrication mechanism at a robot joint according to claim 1, wherein: second rocking arm (4) bottom is equipped with collection device (6) for the position of pivot (3), collection device (6) are including toper piece (61), the pointed end of toper piece (61) up, the most advanced and second rocking arm (4) fixed connection of toper piece (61), the one end fixedly connected with collection fill (64) of second rocking arm (4) are kept away from in toper piece (61).

6. The lubrication mechanism at a robot joint according to claim 5, wherein: mounting hole (62) have been seted up to the one end that toper piece (61) kept away from second rocking arm (4), the internal thread of mounting hole (62) is inserted and is equipped with connecting rod (63), one end fixedly connected with collection fill (64) that toper piece (61) were kept away from in connecting rod (63).