CN210452813U

CN210452813U - Special torsional resistance rotary mechanism of arm

Info

Publication number: CN210452813U
Application number: CN201921209659.2U
Authority: CN
Inventors: 槐昌盛
Original assignee: Yantai Zhuoxin Precision Machinery Co Ltd
Current assignee: Yantai Zhuoxin Precision Machinery Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-05
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a special antitorque nature rotary mechanism of arm, which comprises a fixed base, the top fixedly connected with base of fixing base, and the top of base is provided with the rotary disk, the vertical column spinner that is connected with in inside of base, the surface of column spinner is close to the fixed cover in bottom and is equipped with first bevel gear, and one side meshing of first bevel gear is connected with second bevel gear, the top of rotary disk is provided with the base plate, the top of base plate is connected with the arm. The utility model discloses in, drive the slide bar in the intraoral rotation of sliding in the time of the column spinner pivoted to it is tensile to drive first extension spring, when removing the extrusion piece, can drive second extension spring and produce deformation, strengthens antitorque property under the effect of first spring and second spring, increase of service life when the arm receives too big impact force, can drive the base plate and move down, cushions under buffer spring's effect, has absorbing effect.

Description

Special torsional resistance rotary mechanism of arm

Technical Field

The utility model relates to an antitorque technical field that makes of arm especially relates to a special antitorque nature rotary mechanism of arm.

Background

Along with the rapid development of economy, various intelligent mechanical devices are produced, the mechanical arm can replace manual mechanical devices in the existing industrial production, the working efficiency can be greatly improved, the mechanical arm works through a programmed program when in use, and the mechanical arm needs to rotate for multiple times to clamp articles and place the articles at a specified position when in use;

the arm needs to rotate many times and adjusts the direction in the operation, and current arm seldom has the mechanism that is provided with the antitorque nature, and the arm rotates many times and leads to the part to drop very easily to accelerate the ageing speed of part, have certain inconvenience in the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a special torsion-resistant rotating mechanism for a mechanical arm.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a torsion-resistant rotating mechanism special for a mechanical arm comprises a fixed seat, wherein the top of the fixed seat is fixedly connected with a base, a rotating disc is arranged above the base, a rotating column is vertically connected inside the base, a first bevel gear is fixedly sleeved on the outer surface of the rotating column close to the bottom end, and one side of the first bevel gear is engaged with a second bevel gear, a base plate is arranged above the rotating disc, the top of the base plate is connected with a mechanical arm, two sides of the top of the rotating disc are fixedly connected with limit posts, a sliding ring is arranged inside the base, the rotating column penetrates through the sliding ring, a sliding opening is formed in the outer surface of the sliding ring along the annular direction, and a first extension spring and a second extension spring are fixedly connected between the two ends of the sliding opening and the sliding ring respectively, and one end of the first extension spring is fixedly connected with a sliding rod.

As a further description of the above technical solution:

the outer surface of the base is fixedly connected with a motor at a position corresponding to the second bevel gear, and the driving end of the motor penetrates through the center of the base and is fixedly connected with the second bevel gear.

As a further description of the above technical solution:

one end of the rotary column is rotatably connected with the inner bottom wall of the base, and the other end of the rotary column penetrates through the base and is fixedly connected with the center of the bottom of the rotary disc.

As a further description of the above technical solution:

one end of the sliding rod penetrates through the sliding opening and is fixedly connected with a sliding button, one end, far away from the sliding button, of the sliding rod is fixedly connected with the rotating column, a connecting rod is fixedly connected between the top of the sliding ring and the inner top wall of the base, and the sliding ring is located above the first bevel gear and the second bevel gear.

As a further description of the above technical solution:

one end of the second extension spring is fixedly connected with an extrusion block.

As a further description of the above technical solution:

the bottom of base plate and the equal fixedly connected with buffer board in position that spacing post corresponds, and be connected with buffer spring between the bottom of buffer board and the rotor plate, two the one end that the rotary disk was kept away from to spacing post all runs through buffer board and base plate, buffer spring cover is established at the surface of spacing post.

The utility model discloses following beneficial effect has:

1. this special antitorque nature rotary mechanism of arm, slide bar through setting up, the slip button, the slip ring, first extension spring, second extension spring is fast with the extrusion, the motor drives the second bevel gear rotatory, thereby it is rotatory to drive first bevel gear, thereby the drive column spinner rotates, drive the slide bar in the intraoral rotation of slip in the column spinner pivoted, thereby it is tensile to drive first extension spring, when removing the extrusion piece, can drive second extension spring and produce deformation, strengthen antitorque performance under the effect of first spring and second spring, prolonged service life.

2. This special antitorque circular mechanism of arm through spacing post, buffer spring and the buffer board that sets up, when the arm received too big impact force, can drive the base plate and move down, cushions under buffer spring's effect, has absorbing effect.

Drawings

Fig. 1 is a schematic view of an overall structure of a torsion-resistant rotating mechanism specially used for a mechanical arm according to the present invention;

fig. 2 is a side view of a sliding ring of a torsion-resistant rotating mechanism specially used for a robot arm according to the present invention;

fig. 3 is a top sectional view of a sliding ring of a torsion-resistant rotating mechanism specially used for a mechanical arm according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1 of a torsion-resistant rotating mechanism dedicated for a robot arm according to the present invention.

Illustration of the drawings:

1. a fixed seat; 2. a base; 3. a substrate; 4. a spin column; 5. a first bevel gear; 6. a second bevel gear; 7. a connecting rod; 8. a mechanical arm; 9. a slip ring; 10. a limiting column; 11. a sliding port; 12. a first extension spring; 13. a slide button; 14. rotating the disc; 15. a buffer plate; 16. a slide bar; 17. extruding the block; 18. a second extension spring; 19. a buffer spring; 20. an electric motor.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a torsion-resistant rotating mechanism special for a mechanical arm, which comprises a fixed seat 1, wherein the top of the fixed seat 1 is fixedly connected with a base 2, and a rotating disk 14 is arranged above the base 2, a rotating column 4 is vertically connected inside the base 2, a first bevel gear 5 is fixedly sleeved on the outer surface of the rotating column 4 close to the bottom end, and one side of the first bevel gear 5 is engaged and connected with a second bevel gear 6, a base plate 3 is arranged above the rotating disc 14, the top of the base plate 3 is connected with a mechanical arm 8, two sides of the top of the rotating disc 14 are fixedly connected with limit columns 10, a sliding ring 9 is arranged inside the base 2, the rotating column 4 passes through the sliding ring 9, the outer surface of the sliding ring 9 is provided with a sliding opening 11 along the annular direction, a first extension spring 12 and a second extension spring 18 are fixedly connected between the two ends of the sliding opening 11 and the sliding ring 9, and a sliding rod 16 is fixedly connected to one end of the first extension spring 12.

The outer surface of the base 2 is fixedly connected with a motor 20 at a position corresponding to the second bevel gear 6, the driving end of the motor 20 penetrates through the center of the base 2 and is fixedly connected with the center of the second bevel gear 6, and the motor 20 can drive the second bevel gear 6 to rotate so as to drive the first bevel gear 5 to rotate and drive the rotary column 4 to rotate; one end of the rotary column 4 is rotatably connected with the inner bottom wall of the base 2, and the other end of the rotary column 4 penetrates through the base 2 and is fixedly connected with the center of the bottom of the rotary disc 14, so that the rotary column 4 rotates normally and simultaneously drives the mechanical arm 8 to rotate; one end of the sliding rod 16 penetrates through the sliding port 11 and is fixedly connected with a sliding button 13, the sliding rod 16 is limited, one end of the sliding rod 16, which is far away from the sliding button 13, is fixedly connected with the rotary column 4, a connecting rod 7 is fixedly connected between the top of the sliding ring 9 and the inner top wall of the base 2, the sliding ring 9 is positioned above the first bevel gear 5 and the second bevel gear 6, and the rotary column 4 rotates along the sliding ring 9 under the action of the sliding rod 16; one end of the second extension spring 18 is fixedly connected with an extrusion block 17, and when the rotary column 4 reaches the position of the extrusion block 17, the second extension spring 18 can be pushed to deform, so that the torsion resistance is enhanced; the equal fixedly connected with buffer board 15 in the position that the bottom of base plate 3 corresponds with spacing post 10, and be connected with buffer spring 19 between the bottom of buffer board 15 and the rotary disk 14, can absorb external force, have certain cushioning effect, buffer board 15 and base plate 3 are all run through to the one end that rotary disk 14 was kept away from to two spacing posts 10, and buffer spring 19 cover is established at the surface of spacing post 10.

The working principle is as follows: when the torsion-resistant rotating mechanism special for the mechanical arm is used, when the mechanical arm 8 needs to integrally rotate, the motor 20 is started to drive the second bevel gear 6 to rotate, the second bevel gear 6 rotates to drive the first bevel gear 5 to rotate, so as to drive the rotary column 4 to rotate, so as to drive the mechanical arm 8 to rotate, the rotary column 4 can drive the sliding rod 16 to rotate when rotating, so as to drive the first extension spring 12 to deform, the second extension spring 18 is extruded to deform when moving to the position of the extrusion block 17, the first extension spring 12 is driven to reset when moving in the reverse direction, the torsion resistance of the rotary column 4 can be enhanced under the action of the first extension spring 12 and the second extension spring 18, the service life is prolonged, when the mechanical arm 8 is greatly vibrated, the substrate 3 moves on the limiting column 10, and a part of external force can be offset under the action of the buffer spring 19, has a certain shock absorption effect.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a special antitorque nature rotary mechanism of arm, includes fixing base (1), its characterized in that: the top fixedly connected with base (2) of fixing base (1), and the top of base (2) is provided with rotary disk (14), the inside vertical connection of base (2) has column spinner (4), the surface of column spinner (4) is close to the fixed cover in bottom and is equipped with first bevel gear (5), and one side meshing of first bevel gear (5) is connected with second bevel gear (6), the top of rotary disk (14) is provided with base plate (3), the top of base plate (3) is connected with arm (8), top both sides fixedly connected with spacing post (10) of rotary disk (14), the inside of base (2) is provided with slip ring (9), column spinner (4) pass slip ring (9), slip mouth (11) have been seted up along the annular direction to the surface of slip ring (9), and between the both ends of slip mouth (11) and slip ring (9) respectively fixedly connected with first extension spring (12) and the tensile bullet of second And one end of the first extension spring (12) is fixedly connected with a sliding rod (16).

2. The torsion-resistant rotating mechanism special for the mechanical arm according to claim 1, wherein: the outer surface of the base (2) is fixedly connected with a motor (20) in a position corresponding to the second bevel gear (6), and the driving end of the motor (20) penetrates through the center of the base (2) and the center of the second bevel gear (6) to be fixedly connected.

3. The torsion-resistant rotating mechanism special for the mechanical arm according to claim 1, wherein: one end of the rotary column (4) is rotatably connected with the inner bottom wall of the base (2), and the other end of the rotary column (4) penetrates through the base (2) and is fixedly connected with the center of the bottom of the rotary disc (14).

4. The torsion-resistant rotating mechanism special for the mechanical arm according to claim 1, wherein: one end of the sliding rod (16) penetrates through the sliding opening (11) and is fixedly connected with the sliding button (13), one end, far away from the sliding button (13), of the sliding rod (16) is fixedly connected with the rotating column (4), a connecting rod (7) is fixedly connected between the top of the sliding ring (9) and the inner top wall of the base (2), and the sliding ring (9) is located above the first bevel gear (5) and the second bevel gear (6).

5. The torsion-resistant rotating mechanism special for the mechanical arm according to claim 1, wherein: one end of the second extension spring (18) is fixedly connected with an extrusion block (17).

6. The torsion-resistant rotating mechanism special for the mechanical arm according to claim 1, wherein: the utility model discloses a spacing post (10) of spacing post is including base plate (3) the bottom and the position fixedly connected with buffer board (15) that spacing post (10) correspond, and be connected with buffer spring (19) between the bottom of buffer board (15) and rotary disk (14), two the one end that rotary disk (14) were kept away from in spacing post (10) all runs through buffer board (15) and base plate (3), buffer spring (19) cover is established at the surface of spacing post (10).