CN212471497U

CN212471497U - Intelligent mechanical arm capable of achieving accurate positioning

Info

Publication number: CN212471497U
Application number: CN201922262580.2U
Authority: CN
Inventors: 于文涛; 李强; 马程程
Original assignee: Shandong Xinrui Intelligent Robot Co ltd
Current assignee: Shandong Xinrui Intelligent Robot Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-02-05
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses an intelligent mechanical arm with accurate positioning, including a first mechanical arm, a second mechanical arm connected with the first mechanical arm through a rotating shaft and a third mechanical arm connected with the second mechanical arm through a rotating shaft, the positions of the rotating shafts of the first mechanical arm and the second mechanical arm are both provided with a rotating groove, a plurality of ball steel balls are axially and uniformly distributed in the rotating groove, the ball steel balls are embedded into spherical holes arranged on a spacing ring and extend into an oil storage cavity and are contacted with a graphite ring, the oil storage cavity is communicated with a straight oil guide pipe and an oblique oil guide pipe, the oil storage cavity is communicated with an oil storage tank through the straight oil guide pipe and the oblique oil guide pipe, and one end of the oil storage tank, which protrudes out of the first mechanical arm and the second mechanical arm, is provided with a sealing; compared with the prior art, the utility model discloses can realize the self-lubricating of arm pivot, avoid the arm because of not in time replenishing lubricating oil, lead to producing the phenomenon of excessive wearing and tearing between the arm internal component, improve the flexibility and the intensity of wear of arm, make its life extension.

Description

Intelligent mechanical arm capable of achieving accurate positioning

Technical Field

The utility model relates to an arm technical field specifically is an intelligent arm of accurate location.

Background

The mechanical arm is an automatic mechanical device which is widely applied in the technical field of robots, and the figure of the mechanical arm can be seen in the fields of industrial manufacturing, medical treatment, entertainment service, military, semiconductor manufacturing, space exploration and the like. Although they have different forms, they all have a common feature of being able to receive commands to precisely locate a point in three-dimensional (or two-dimensional) space for work.

Traditional accurate location intelligent mechanical arm lacks the supplementary equipment of lubricating oil, leads to often because of replenishing lubricating oil in time between the arm inner assembly, leads to producing the phenomenon of excessive wearing and tearing between the arm inner assembly, has reduced the flexibility of arm, has promoted the wearing and tearing intensity of arm, makes its life reduce, for the problem that exists in solving the aforesaid, we provide an intelligent mechanical arm of accurate location.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent mechanical arm of accurate location to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intelligent mechanical arm of accurate location, includes first arm, connects the second arm of first arm and connects the third arm of second arm through the pivot, the position of first arm and second arm installation pivot all is equipped with the swivelling chute, a plurality of ball steel balls of axial evenly distributed in the swivelling chute, the spherical hole of seting up on the ball steel ball embedding spacing ring extends and gets into the oil storage intracavity to contact with the graphite ring, oil storage chamber intercommunication is directed to lead oil pipe and slant and is led oil pipe, and oil storage chamber is led oil pipe and slant through the direction and is linked together with the batch oil tank, sealed lid is installed to the one end of outstanding first arm of batch oil tank and second arm.

As an optimized technical scheme of the utility model, ball steel ball rolling installation is downthehole at the spherical of seting up on the spacing ring, and ball steel ball's one end roll connection pivot, the other end and graphite ring contact.

As an optimal technical scheme of the utility model, be equipped with observation window on the batch oil tank, observation window makes for transparent material.

As an optimal technical scheme of the utility model, be equipped with the floater in the batch oil tank, the floater floats from top to bottom along observation window in the inner chamber of batch oil tank.

As an optimal technical scheme of the utility model, oil pipe is led to the directness passes the graphite ring setting at the top in oil storage chamber, and oil pipe is led to the slant passes the graphite ring setting in the both sides middle part in oil storage chamber.

As an optimized technical scheme of the utility model, interference fit between the spherical hole of ball steel ball and spacing ring.

As an optimized technical proposal, the graphite ring is embedded with an annular groove for lubricating oil to flow.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of intelligent arm of accurate location through graphite ring, oil storage chamber and the batch oil tank that sets up, can realize arm pivot self-lubricate's effect, avoids the arm because of in time replenishing lubricating oil, leads to producing the phenomenon of excessive wearing and tearing between the arm internal component, has improved the flexibility and the intensity of wear of arm, makes its life extension.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the rotating shaft in the rotating groove of the present invention;

fig. 3 is a schematic view of the structure of the graphite ring of the present invention.

In the figure: 1. a first robot arm; 2. a rotating shaft; 3. a second mechanical arm; 4. a third mechanical arm; 5. a rotating tank; 6. a ball steel ball; 7. a limiting ring; 8. an oil storage chamber; 9. a graphite ring; 10. a straight oil guide pipe; 11. an oblique oil guide pipe; 12. an oil storage tank; 13. a sealing cover; 14. an observation window; 15. a floating ball; 16. an annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an intelligent mechanical arm of accurate location, includes first arm 1, connects second arm 3 of first arm 1 and third arm 4 of connecting second arm 3 through pivot 2, the position of first arm 1 and 3 installation pivots 2 of second arm all is equipped with swivelling chute 5, a plurality of ball steel balls 6 of axial evenly distributed in swivelling chute 5, ball steel ball 6 imbeds in the spherical hole of offering extends into oil storage chamber 8 on the spacing ring 7 to contact with graphite ring 9, oil storage chamber 8 intercommunication is directed to lead oil pipe 10 and slant and is led oil pipe 11, and oil storage chamber is led oil pipe 10 and slant through being directed to and is linked together with oil storage tank 12, sealed lid 13 is installed to the one end of oil storage tank 12 outstanding first arm 1 and second arm 3, has the sealing action.

Further, ball steel ball 6 is roll-mounted in the spherical hole of seting up on spacing ring 7, and ball steel ball 6's one end roll connection pivot 2, and the other end and graphite ring 9 contact, and graphite ring 9 has lubricated effect, guarantees that ball steel ball 6 surface is smooth to avoid ball steel ball 6 to block the phenomenon of dun and take place, also reduce its demand to lubricating oil simultaneously, make it can be with the transmission of lubricating oil maximum for pivot 2, improve the flexibility of pivot 2.

Further, an observation window 14 is arranged on the oil storage tank 12, and the observation window 14 is made of transparent materials, so that a user can conveniently observe the oil amount in the oil storage tank 12.

Furthermore, a floating ball 15 is arranged in the oil storage tank 12, and the floating ball 15 floats up and down in the inner cavity of the oil storage tank 12 along the observation window 14, so that the oil storage tank 12 has the function of prompting the user of the oil amount in the oil storage tank 12.

Further, the straight oil guide pipe 10 penetrates through the graphite ring 9 and is arranged at the top of the oil storage cavity 8, the oblique oil guide pipe 11 penetrates through the graphite ring 9 and is arranged in the middle of the two sides of the oil storage cavity 8, lubricating oil in the oil storage tank 12 can be respectively guided into the upper end and the middle ends of the left side and the right side of the oil storage cavity 8, and the purpose of relatively uniform distribution is achieved.

Furthermore, the ball steel ball 6 is in interference fit with the spherical hole of the limit ring 7.

Further, an annular groove 16 for lubricating oil to flow is embedded in the graphite ring 9.

The working principle is as follows:

lubricating oil is poured into the oil storage tank 12, the lubricating oil is respectively led into the upper end and the middle ends of the left side and the right side of the oil storage cavity 8 along the straight oil guide pipe 10 and the inclined oil guide pipe 11, and the lubricating oil flows from top to bottom along the annular groove 16;

when the direction and the position of the mechanical arm are adjusted in a rotating manner, the rotating shaft 2 rotates to drive the ball steel balls 6 to rotate synchronously, so that the purpose that the ball steel balls 6 rub the graphite ring 9 and the rotating shaft 2 is achieved;

graphite ring 9 has the lubrication action, guarantees that ball steel ball 6 surface is smooth to avoid ball steel ball 6 phenomenon of blocking to take place, in addition, 6 pivoted in-process of ball steel ball also can transmit lubricating oil for pivot 2, improve the flexibility of pivot 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The intelligent mechanical arm with the accurate positioning function is characterized by comprising a first mechanical arm (1), a second mechanical arm (3) connected with the first mechanical arm (1) through a rotating shaft (2) and a third mechanical arm (4) connected with the second mechanical arm (3) through the rotating shaft (2), wherein rotating grooves (5) are formed in the positions, where the rotating shaft (2) is installed, of the first mechanical arm (1) and the second mechanical arm (3), a plurality of ball steel balls (6) are axially and uniformly distributed in the rotating grooves (5), the ball steel balls (6) are embedded into spherical holes formed in a limiting ring (7) and extend into an oil storage cavity (8) and are in contact with a graphite ring (9), the oil storage cavity (8) is communicated with a straight oil guide pipe (10) and an oblique oil guide pipe (11), and the oil storage cavity is communicated with an oil storage tank (12) through the straight oil guide pipe (10) and the oblique oil guide pipe (11), one end of the oil storage tank (12) protruding out of the first mechanical arm (1) and the second mechanical arm (3) is provided with a sealing cover (13).

2. The intelligent mechanical arm with the accurate positioning function as claimed in claim 1, wherein the ball steel ball (6) is installed in a spherical hole formed in the limiting ring (7) in a rolling mode, one end of the ball steel ball (6) is connected with the rotating shaft (2) in a rolling mode, and the other end of the ball steel ball is in contact with the graphite ring (9).

3. An intelligent mechanical arm with accurate positioning as claimed in claim 1, wherein the oil storage tank (12) is provided with an observation window (14), and the observation window (14) is made of transparent material.

4. An intelligent mechanical arm with accurate positioning as claimed in claim 1, wherein a floating ball (15) is arranged in the oil storage tank (12), and the floating ball (15) floats up and down along the observation window (14) in the inner cavity of the oil storage tank (12).

5. The intelligent mechanical arm with the accurate positioning function as claimed in claim 1, wherein the straight oil guide pipe (10) is arranged at the top of the oil storage cavity (8) through the graphite ring (9), and the inclined oil guide pipe (11) is arranged in the middle of two sides of the oil storage cavity (8) through the graphite ring (9).

6. An intelligent mechanical arm with accurate positioning as claimed in claim 1, wherein the ball steel ball (6) is in interference fit with the spherical hole of the limit ring (7).

7. An accurately positioned smart mechanical arm according to claim 1, wherein the graphite ring (9) is embedded with an annular groove (16) for the flow of lubricating oil.