CN215282014U

CN215282014U - Arm with self-lubricating structure

Info

Publication number: CN215282014U
Application number: CN202121311424.1U
Authority: CN
Inventors: 黄宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-24
Anticipated expiration: 2031-06-11

Abstract

The utility model belongs to the technical field of mechanical arm, especially, be an arm with self-lubricating structure, including the supporting seat, rotatable revolving stage is installed through the pivot in the top of supporting seat, rotatable mount pad is installed through the pivot on the revolving stage, rotatable linking arm is installed through the pivot in the top of mount pad, rotatable robotic arm is installed through the pivot in the tip of linking arm, the pivot department of connecting the supporting seat with the revolving stage is equipped with the lubricated subassembly of rotation, connect robotic arm with the linking arm and connect the linking arm with the pivot department of mount pad all is equipped with the lubricated subassembly of upset; the utility model discloses an arm, when the arm during operation, can utilize the upset lubricating assembly and the rotation lubricating assembly of setting to lubricate the pivot accessory of arm automatically and discontinuously, guaranteed the reliability and the security of arm operation, reduced the rotational friction of arm operation, prolonged the life of arm greatly.

Description

Arm with self-lubricating structure

Technical Field

The utility model belongs to the technical field of the arm, concretely relates to arm with self-lubricating structure.

Background

The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling, and has wide application in the fields of industrial assembly, safety explosion prevention and the like due to unique operation flexibility.

When traditional arm was moving, the arm can be followed frictional production with the production of connecting the pivot when producing relative slip, after the long-time operation arm, can cause the arm overheated, damage even.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an arm with self-lubricating structure has convenient to use and long service life's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: an mechanical arm with a self-lubricating structure comprises a supporting seat, wherein a rotatable rotary table is mounted at the top end of the supporting seat through a rotary shaft, a rotatable mounting seat is mounted on the rotary table through a rotary shaft, a rotatable connecting arm is mounted at the top end of the mounting seat through a rotary shaft, a rotatable mechanical arm is mounted at the end part of the connecting arm through a rotary shaft, a rotary lubricating assembly is arranged at the position of the rotary shaft connecting the supporting seat and the rotary table, and turnover lubricating assemblies are arranged at the positions of the rotary shafts connecting the mechanical arm and the connecting arm and connecting the connecting arm and the mounting seat; the turnover lubricating component comprises a bearing, an arc-shaped piece and a control component which is fixed on the bearing and used for controlling the arc-shaped piece to move, wherein an installation groove is fixed on the arc-shaped piece, and solid lubricating grease is arranged in the installation groove; the rotary lubricating assembly comprises a lubricating oil storage air bag and a pressing assembly for enabling the lubricating oil storage air bag to deform, a liquid outlet hole is formed in the supporting seat, and a liquid outlet hose embedded into the liquid outlet hole is communicated with the lubricating oil storage air bag.

As a preferred technical scheme of the utility model, robotic arm with between the linking arm and connect the linking arm with all be connected with the bearing between the mount pad, and connect robotic arm with linking arm and connection the linking arm with the pivot of mount pad is all connected the inner circle of bearing.

As a preferred technical scheme of the utility model, the control assembly includes movable block, a reset spring and connecting rod bearing inner race and the terminal surface of inner circle are fixed with an installation piece and No. two installation pieces respectively, the connecting rod runs through No. two installation pieces, the top of connecting rod is fixed with the movable block, the arc piece is installed the bottom of connecting rod, a reset spring cup joints on the connecting rod and be in the movable block with between No. two installation pieces the bottom surface of an installation piece be fixed with movable block matched with depression bar.

As a preferred technical solution of the present invention, the pressing assembly includes an expansion spring, a bump, a guide post and a second return spring, a lubrication cavity capable of accommodating the lubricating oil storage and storage air bag is formed in the support seat, a circular positioning rotary groove is formed in the top surface of the support seat, a through hole is communicated between the positioning rotary groove and the lubrication cavity, the guide post penetrates through the through hole, the bottom end of the guide post contacts the lubricating oil storage air bag, a second limit ring is fixed on the inner wall of the lubrication cavity, a first limit ring is fixed on the guide post, and the second return spring is sleeved on the guide post and located between the first limit ring and the second limit ring; the bottom surface of the rotary table is provided with a movable groove, the top end of the lug is embedded into the movable groove, the bottom end of the lug is embedded into the positioning rotary groove, and the telescopic springs are distributed between the top end of the lug and the inner top surface of the movable groove.

As an optimal technical scheme of the utility model, lubricating oil still communicates on the storage gasbag and has the liquid feeding hose the port department of liquid feeding hose is equipped with the sealing plug.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an arm, when the arm during operation, can utilize the upset lubricating assembly and the rotation lubricating assembly of setting to lubricate the pivot accessory of arm automatically and discontinuously, guaranteed the reliability and the security of arm operation, reduced the rotational friction of arm operation, prolonged the life of arm greatly.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the turning lubrication assembly of the present invention;

FIG. 3 is a front sectional structural view of the rotary lubrication assembly of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;

in the figure: 1. a supporting seat; 2. a turntable; 3. a mounting seat; 4. a connecting arm; 5. a robot arm; 6. rotating the lubrication assembly; 7. turning over the lubricating assembly; 8. a bearing; 9. a first mounting block; 10. a pressure lever; 11. a second mounting block; 12. a movable block; 13. a first return spring; 14. a connecting rod; 15. an arc-shaped sheet; 16. mounting grooves; 17. solid grease; 18. a movable groove; 19. a tension spring; 20. a bump; 21. positioning the rotary groove; 22. a guide post; 23. perforating; 24. a lubrication chamber; 25. a first limit ring; 26. a second limiting ring; 27. a second return spring; 28. the lubricating oil stores the gas storage bag; 29. a liquid feeding hose; 30. a sealing plug; 31. a liquid outlet hose; 32. and a liquid outlet hole.

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.

Referring to fig. 1-4, the present invention provides the following technical solutions: a mechanical arm with a self-lubricating structure comprises a supporting seat 1, wherein a rotatable rotary table 2 is mounted at the top end of the supporting seat 1 through a rotary shaft, a rotatable mounting seat 3 is mounted on the rotary table 2 through the rotary shaft, a rotatable connecting arm 4 is mounted at the top end of the mounting seat 3 through the rotary shaft, a rotatable mechanical arm 5 is mounted at the end of the connecting arm 4 through the rotary shaft, a rotary lubricating assembly 6 is arranged at the rotary shaft connecting the supporting seat 1 and the rotary table 2, and turnover lubricating assemblies 7 are arranged at the rotary shafts connecting the mechanical arm 5 and the connecting arm 4 and connecting the connecting arm 4 and the mounting seat 3; the overturning lubricating component 7 comprises a bearing 8, an arc-shaped sheet 15 and a control component which is fixed on the bearing 8 and used for controlling the arc-shaped sheet 15 to move, wherein an installation groove 16 is fixed on the arc-shaped sheet 15, and solid lubricating grease 17 is arranged in the installation groove 16; the rotary lubricating component 6 comprises a lubricating oil storage gas bag 28 and a pressing component for deforming the lubricating oil storage gas bag 28, a liquid outlet hole 32 is formed in the supporting seat 1, a liquid outlet hose 31 embedded in the liquid outlet hole 32 is communicated with the lubricating oil storage gas bag 28, the rotary table 2 can drive the mounting seat 3 to rotate during work, the mounting seat 3 drives the mechanical arm 5 to rotate by using the connecting arm 4, in addition, the mechanical arm 5 and the connecting arm 4 can be overturned, in addition, when the rotary table 2 rotates, a rotating shaft connecting the rotary table 2 and the supporting seat 1 can be automatically and discontinuously lubricated by rotating the lubricating component 6, the mechanical arm 5 overturns relative to the connecting arm 4, and when the connecting arm 4 overturns relative to the mounting seat 3, the rotating shaft connecting the mechanical arm 5 with the connecting arm 4 and the connecting arm 4 with the mounting seat 3 can be automatically and discontinuously lubricated by using the overturning lubricating component 7, the safety and the reliability of the operation of the mechanical arm are ensured, the rotation friction of the mechanical arm during the operation is reduced, and the service life of the mechanical arm is prolonged.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, bearings 8 are connected between the mechanical arm 5 and the connecting arm 4 and between the connecting arm 4 and the mounting seat 3, inner rings of the bearings 8 are connected to rotating shafts connecting the mechanical arm 5 and the connecting arm 4 and connecting the connecting arm 4 and the mounting seat 3, and the rotation friction generated when the mechanical arm operates can be further reduced due to the arrangement of the bearings 8.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the control assembly includes a movable block 12, a first return spring 13 and a connecting rod 14, a first mounting block 9 and a second mounting block 11 are respectively fixed on end surfaces of an outer ring and an inner ring of the bearing 8, the connecting rod 14 penetrates the second mounting block 11, the movable block 12 is fixed on a top end of the connecting rod 14, an arc-shaped piece 15 is mounted at a bottom end of the connecting rod 14, the first return spring 13 is sleeved on the connecting rod 14 and located between the movable block 12 and the second mounting block 11, a pressure lever 10 matched with the movable block 12 is fixed on a bottom surface of the first mounting block 9, when the mechanical arm operates, when the pressure lever 10 and the movable block 12 relatively rotate to a same position, the pressure lever 10 can press the movable block 12, the movable block 12 can push the arc-shaped piece 15 to move by using the connecting rod 14, so that the solid 17 contacts with the rotating shaft, and along with continuous operation of the mechanical arm, the rotating shaft is lubricated by the solid lubricating grease 17, after the pressing rod 10 and the movable block 12 rotate relatively to the dislocation position, the first return spring 13 enables the movable block 12 to drive the arc-shaped sheet 15 to return, and the solid lubricating grease 17 is far away from the rotating shaft.

Specifically, according to fig. 1, 3 and 4, in this embodiment, the pressing component includes a telescopic spring 19, a protrusion 20, a guide post 22 and a second return spring 27, a lubrication cavity 24 capable of accommodating a lubricating oil storage and storage bag 28 is formed in the support base 1, a circular positioning rotating groove 21 is formed in the top surface of the support base 1, a through hole 23 is communicated between the positioning rotating groove 21 and the lubrication cavity 24, the guide post 22 penetrates through the through hole 23, the bottom end of the guide post 22 is in contact with the lubricating oil storage and storage bag 28, a second limit ring 26 is fixed on the inner wall of the lubrication cavity 24, a first limit ring 25 is fixed on the guide post 22, and the second return spring 27 is sleeved on the guide post 22 and located between the first limit ring 25 and the second limit ring 26; the bottom surface of the turntable 2 is provided with a movable groove 18, the top end of a lug 20 is embedded into the movable groove 18, the bottom end of the lug 20 is embedded into a positioning rotary groove 21, an expansion spring 19 is distributed between the top end of the lug 20 and the inner top surface of the movable groove 18, when the turntable 2 rotates, the lug 20 is driven to rotate, when the lug 20 rotates to the position of a guide post 22, the lug 20 presses down a lubricating oil liquid storage air bag 28 by using the guide post 22, lubricating oil liquid in the lubricating oil liquid storage air bag 28 is extruded from a liquid outlet hose 31 and is discharged along a liquid outlet hole 32 to lubricate a rotating shaft, when the lug 20 rotates to deviate from the guide post 22, a second reset spring 27 resets the guide post 22, and the lubricating oil liquid storage air bag 28 resets.

Specifically, according to fig. 1, fig. 3 and fig. 4, in this embodiment, the lubricating oil liquid storage air bag 28 is further communicated with a liquid filling hose 29, a port of the liquid filling hose 29 is provided with a sealing plug 30, the sealing plug 30 can be removed at the later stage, and the lubricating oil liquid is replenished into the lubricating oil liquid storage air bag 28 through the liquid filling hose 29.

The utility model discloses a theory of operation and use flow: the utility model discloses an arm, in operation, revolving stage 2 can drive mount pad 3 rotatory, mount pad 3 utilizes linking arm 4 to drive robotic arm 5 rotatory, furthermore, robotic arm 5, and linking arm 4 all can overturn, and, in 2 rotatory while of revolving stage, can lubricate the pivot of connecting revolving stage 2 and supporting seat 1 through rotating lubricated subassembly 6 is automatic and interrupted, robotic arm 5 overturns for linking arm 4, and linking arm 4 when overturning for mount pad 3, all can utilize upset lubricated subassembly 7 automatic and interrupted to lubricate the pivot of connecting robotic arm 5 and linking arm 4 and connecting linking arm 4 and mount pad 3, guarantee the security and the reliability of arm operation, reduce the running friction when the arm moves, prolong the life of arm.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an arm with self-lubricating structure, includes supporting seat (1) rotatable revolving stage (2) are installed through the pivot in the top of supporting seat (1) install rotatable mount pad (3) through the pivot on revolving stage (2) rotatable linking arm (4) are installed through the pivot in the top of mount pad (3), rotatable robotic arm (5), its characterized in that are installed through the pivot to the tip of linking arm (4): a rotating lubricating component (6) is arranged at a rotating shaft connecting the supporting seat (1) and the rotary table (2), and turning lubricating components (7) are arranged at rotating shafts connecting the mechanical arm (5) and the connecting arm (4) and connecting the connecting arm (4) and the mounting seat (3); the overturning lubricating component (7) comprises a bearing (8), an arc-shaped sheet (15) and a control component which is fixed on the bearing (8) and used for controlling the arc-shaped sheet (15) to move, a mounting groove (16) is fixed on the arc-shaped sheet (15), and solid lubricating grease (17) is arranged in the mounting groove (16); rotate lubricated subassembly (6) and include lubricating oil storage gasbag (28) and make the subassembly is moved to the pressure that lubricating oil stored gas storage gasbag (28) deformation seted up liquid hole (32) in supporting seat (1) the intercommunication has the embedding on lubricating oil stored gas storage gasbag (28) go out liquid hose (31) in liquid hole (32).

2. The mechanical arm with the self-lubricating structure as claimed in claim 1, wherein: robotic arm (5) with between linking arm (4) and connect linking arm (4) with all be connected with bearing (8) between mount pad (3), and connect robotic arm (5) with linking arm (4) and connection linking arm (4) with the pivot of mount pad (3) is all connected the inner circle of bearing (8).

3. The mechanical arm with the self-lubricating structure as claimed in claim 1, wherein: control assembly includes movable block (12), reset spring (13) and connecting rod (14) bearing (8) outer lane is fixed with installation piece (9) and No. two installation pieces (11) respectively with the terminal surface of inner circle, connecting rod (14) run through No. two installation pieces (11), the top of connecting rod (14) is fixed with movable block (12), install arc piece (15) the bottom of connecting rod (14), reset spring (13) cup joint on connecting rod (14) and be in movable block (12) with between No. two installation pieces (11) the bottom surface of installation piece (9) be fixed with movable block (12) matched with depression bar (10).

4. The mechanical arm with the self-lubricating structure as claimed in claim 1, wherein: the pressing component comprises a telescopic spring (19), a convex block (20), a guide post (22) and a second reset spring (27), a lubricating cavity (24) capable of accommodating the lubricating oil storage gas bag (28) is arranged in the supporting seat (1), a circular positioning rotary groove (21) is arranged on the top surface of the supporting seat (1), a through hole (23) is communicated between the positioning rotary groove (21) and the lubricating cavity (24), the guide post (22) penetrates through the through hole (23) and the bottom end of the guide post (22) is in contact with the lubricating oil storage gas bag (28), a second limiting ring (26) is fixed on the inner wall of the lubricating cavity (24), a first limiting ring (25) is fixed on the guide column (22), the second reset spring (27) is sleeved on the guide column (22) and is positioned between the first limiting ring (25) and the second limiting ring (26); the bottom surface of the rotary table (2) is provided with a movable groove (18), the top end of the bump (20) is embedded into the movable groove (18), the bottom end of the bump is embedded into the positioning rotary groove (21), and the telescopic springs (19) are distributed between the top end of the bump (20) and the inner top surface of the movable groove (18).

5. The mechanical arm with the self-lubricating structure of claim 4, wherein: the lubricating oil liquid storage and storage air bag (28) is also communicated with a liquid feeding hose (29), and a sealing plug (30) is assembled at the port of the liquid feeding hose (29).