CN210850339U

CN210850339U - Stabilizing device for rotary mechanical arm

Info

Publication number: CN210850339U
Application number: CN201921207906.5U
Authority: CN
Inventors: 赵素云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-26
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a stabilising arrangement for rotatory arm, the on-line screen storage device comprises a base, the internally mounted of base has first motor, the output shaft fixedly connected with bottom suspension fagging of first motor, the backup pad is passed through on bolt fixedly connected with on the top of bottom suspension fagging, the top of going up the backup pad is equipped with hydraulic buffer and support column, one side of support column is equipped with the bracing piece, and one side of the relative bracing piece of support column is provided with the second motor, be connected for rotating between the output shaft of second motor and support column and the bracing piece, first arm is installed on the top of support column, and is fixed connection between the output shaft of first arm and second motor, the inner wall of first arm is equipped with the recess. The utility model discloses in, the influence of the inertia that leads to when buffer spring in the base and the hydraulic buffer on the last backup pad can rotate machinery whole reduces to guarantee holistic stability and safety.

Description

Stabilizing device for rotary mechanical arm

Technical Field

The utility model relates to a stabilising arrangement technical field for the arm especially relates to a stabilising arrangement for rotatory arm.

Background

With the development of automation technology, automation equipment is valued by more and more manufacturers due to the advantages of high efficiency, convenience and the like, the application of the automation equipment not only saves manpower but also improves the working efficiency, but a stabilizing device is required to be installed on the equipment when the automation equipment such as a mechanical arm and the like is used, so that the precision of the mechanical arm can be improved, and the safety can also be improved;

some arms that have now lean on the braking of motor itself more, stability is relatively poor, is difficult to guarantee the precision and the security of arm lastingly like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a stabilizing device for a rotary mechanical arm.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a stabilizing device for a rotary mechanical arm comprises a base, wherein a first motor is arranged inside the base, an output shaft of the first motor is fixedly connected with a lower supporting plate, the top end of the lower supporting plate is fixedly connected with an upper supporting plate through a bolt, the top end of the upper supporting plate is provided with a hydraulic buffer device and a supporting column, one side of the supporting column is provided with a supporting rod, one side of the supporting column, which is opposite to the supporting rod, is provided with a second motor, an output shaft of the second motor is rotatably connected with the supporting column and the supporting rod, the top end of the supporting column is provided with a first mechanical arm, the first mechanical arm is fixedly connected with the output shaft of the second motor, the inner wall of the first mechanical arm is provided with a groove, a rotating shaft is movably embedded in the groove, the first mechanical arm is rotatably connected with a transmission rod through the rotating shaft, and one side of the outer surface of, the top of the first mechanical arm is provided with a second mechanical arm, the driving end of the third motor is fixedly connected with the second mechanical arm, and the driving end of the third motor is rotatably connected with the first mechanical arm.

As a further description of the above technical solution:

hydraulic buffer comprises outer pressure jar, piston rod, oil blanket, oilhole, hydraulic oil, internal pressure jar and spring, outer pressure jar fixed connection is at the top of last backup pad, the one end of piston rod is rotated with the one end that first arm was kept away from to the transfer line and is connected, the inside of internal pressure jar nestification at outer pressure jar, the bottom activity embedding of piston rod is in inner pressure jar, oil blanket fixed connection is on the inner wall top of outer pressure jar, the surface of internal pressure jar is equipped with a plurality of oilholes, spring fixed connection is in the inner wall bottom of outer pressure jar, hydraulic oil dress is between outer pressure jar and internal pressure jar.

As a further description of the above technical solution:

the support columns are arranged in a triangular prism structure.

As a further description of the above technical solution:

an inner groove is formed in the base, two buffer springs are fixedly connected in the inner groove, and the two buffer springs are respectively located on two sides of the output shaft of the first motor.

As a further description of the above technical solution:

the top end of the second mechanical arm is provided with three through holes.

As a further description of the above technical solution:

the middle parts of the first mechanical arm and the second mechanical arm are arranged in a hollow structure.

The utility model discloses following beneficial effect has:

1. this stabilising arrangement for rotatory arm, through the buffer spring who sets up, the influence of the inertia that leads to when buffer spring in the base rotates first motor reduces to guarantee holistic stability and safety.

2. This stabilising arrangement for rotatory arm constitutes hydraulic buffer through outer jar, piston rod, oil blanket, oilhole, hydraulic oil, the interior pressure jar that set up and spring, weakens the inertia influence that produces when the arm function, has further promoted holistic work precision and stability.

3. The middle parts of the first mechanical arm and the second mechanical arm of the stabilizing device for the rotary mechanical arm are both designed to be hollowed, so that the integral mass is reduced, and the inertia during operation is reduced.

4. The top end of the second mechanical arm of the stabilizing device for the rotary mechanical arm is provided with three through holes, so that the mechanical arms of different types can be conveniently installed and replaced, and the stabilizing device is suitable for various kinds of work.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side sectional view of the present invention;

fig. 3 is a cross-sectional view of the base of the present invention;

fig. 4 is a schematic structural diagram of a position a in fig. 2 according to the present invention.

Illustration of the drawings:

1. a base; 2. a first motor; 3. a lower support plate; 4. an upper support plate; 5. a support bar; 6. a second motor; 7. a first robot arm; 8. a third motor; 9. a second mechanical arm; 10. a rotating shaft; 11. an outer pressure cylinder; 12. a piston rod; 13. oil sealing; 14. an oil hole; 15. hydraulic oil; 16. an inner pressure cylinder; 17. a spring; 18. a support pillar; 19. a transmission rod; 20. a bolt; 21. a buffer spring; 22. a groove; 23. an inner tank.

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 stabilizing device for a rotary mechanical arm comprises a base 1, wherein a first motor 2 is installed inside the base 1, an output shaft of the first motor 2 is fixedly connected with a lower supporting plate 3, the top end of the lower supporting plate 3 is fixedly connected with an upper supporting plate 4 through a bolt 20, the top end of the upper supporting plate 4 is provided with a hydraulic buffer device and a supporting column 18, one side of the supporting column 18 is provided with a supporting rod 5, one side of the supporting column 18, which is opposite to the supporting rod 5, is provided with a second motor 6, the output shaft of the second motor 6 is rotatably connected with the supporting column 18 and the supporting rod 5, the top end of the supporting column 18 is provided with a first mechanical arm 7, the first mechanical arm 7 is fixedly connected with the output shaft of the second motor 6, the inner wall of the first mechanical arm 7 is provided with a groove 22, a rotating shaft 10 is movably embedded in the groove 22, the first, one side of the outer surface of the top end of the first mechanical arm 7 is fixedly connected with a third motor 8, the top of the first mechanical arm 7 is provided with a second mechanical arm 9, the driving end of the third motor 8 is fixedly connected with the second mechanical arm 9, and the driving end of the third motor 8 is rotatably connected with the first mechanical arm 7.

The hydraulic buffer device comprises an outer pressure cylinder 11, a piston rod 12, an oil seal 13, oil holes 14, hydraulic oil 15, an inner pressure cylinder 16 and a spring 17, wherein the outer pressure cylinder 11 is fixedly connected to the top of an upper supporting plate 4, one end of the piston rod 12 is rotatably connected with one end of a transmission rod 19 far away from a first mechanical arm 7, the inner pressure cylinder 16 is nested in the outer pressure cylinder 11, the bottom end of the piston rod 12 is movably embedded in the inner pressure cylinder 16, the oil seal 13 is fixedly connected to the top end of the inner wall of the outer pressure cylinder 11, the surface of the inner pressure cylinder 16 is provided with the plurality of oil holes 14, the spring 17 is fixedly connected to the bottom end of the inner wall of the outer pressure cylinder 11, and the hydraulic oil 15 is arranged between the outer pressure cylinder 11 and the inner pressure cylinder 16, so that the influence caused; the support columns 18 are arranged in a triangular prism structure, so that the mechanical arm is more stable, and the stability of the whole device is improved; an inner groove 23 is formed in the base 1, two buffer springs 21 are fixedly connected in the inner groove 23, and the two buffer springs 21 are respectively positioned on two sides of an output shaft of the first motor 2, so that the influence of inertia caused by rotation of the first motor 2 is reduced, and the integral stability and safety are ensured; the top end of the second mechanical arm 9 is provided with three through holes, so that different types of mechanical arms can be installed and replaced, and the mechanical arms can be used for multiple kinds of work; the middle parts of the first mechanical arm 7 and the second mechanical arm 9 are arranged in a hollow structure, so that the overall mass of the device is reduced, and the reduction of inertia is facilitated.

The working principle is as follows: when the stabilizing device for the rotary mechanical arm is used, the first motor 2 starts to rotate to drive the whole device to transversely rotate, therefore, inertia is generated, and at this time, the impact of inertia is reduced by the buffer spring 21 in the base 1, so that the whole operation is more stable, meanwhile, the second motor 6 and the third motor 8 are started to respectively drive the first mechanical arm 7 and the second mechanical arm 9 to operate, the transmission rod 19 drives the piston rod 12 of the hydraulic buffer device, the piston rod 12 moves up and down due to the movement of the first mechanical arm 7 and the second mechanical arm 9, when the piston rod 12 presses downwards, the hydraulic oil 15 is pressed into the upper portion of the cavity between the outer pressure cylinder 11 and the inner pressure cylinder 16 and the upper portion of the inner cavity of the inner pressure cylinder 16 from the oil hole 14, when the piston rod 12 moves upwards, the hydraulic oil 15 flows back to the bottom of the inner pressure cylinder 16 through the oil return hole 14, so that the inertia influence caused by the first mechanical arm 7 and the second mechanical arm 9 is reduced, and certain practicability.

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 stabilising arrangement for rotatory arm, includes base (1), its characterized in that: the automatic feeding device is characterized in that a first motor (2) is arranged inside the base (1), an output shaft of the first motor (2) is fixedly connected with a lower supporting plate (3), an upper supporting plate (4) is fixedly connected with the top end of the lower supporting plate (3) through a bolt (20), a hydraulic buffer device and a supporting column (18) are arranged on the top end of the upper supporting plate (4), a supporting rod (5) is arranged on one side of the supporting column (18), a second motor (6) is arranged on one side of the supporting column (18) opposite to the supporting rod (5), an output shaft of the second motor (6) is rotatably connected with the supporting column (18) and the supporting rod (5), a first mechanical arm (7) is arranged on the top end of the supporting column (18), the output shaft of the first mechanical arm (7) is fixedly connected with the output shaft of the second motor (6), a groove (22) is formed in the inner wall of the, the utility model discloses a mechanical arm, including recess (22), first arm (7) and second arm (9), recess (22) internalization is embedded with axis of rotation (10), first arm (7) are connected with transfer line (19) through axis of rotation (10) rotation, top surface one side fixedly connected with third motor (8) of first arm (7), second arm (9) are installed at the top of first arm (7), the drive end and second arm (9) fixed connection of third motor (8), and the drive end of third motor (8) is connected with first arm (7) rotation.

2. The stabilizing device for a rotary robot arm according to claim 1, wherein: the hydraulic buffer device consists of an external pressure cylinder (11), a piston rod (12), an oil seal (13), an oil hole (14), hydraulic oil (15), an internal pressure cylinder (16) and a spring (17), the outer pressure cylinder (11) is fixedly connected with the top of the upper supporting plate (4), one end of the piston rod (12) is rotatably connected with one end of the transmission rod (19) far away from the first mechanical arm (7), the inner pressure cylinder (16) is nested in the outer pressure cylinder (11), the bottom end of the piston rod (12) is movably embedded in the inner pressure cylinder (16), the oil seal (13) is fixedly connected with the top end of the inner wall of the outer pressure cylinder (11), the surface of the inner pressure cylinder (16) is provided with a plurality of oil holes (14), the spring (17) is fixedly connected to the bottom end of the inner wall of the outer pressure cylinder (11), and the hydraulic oil (15) is arranged between the outer pressure cylinder (11) and the inner pressure cylinder (16).

3. The stabilizing device for a rotary robot arm according to claim 1, wherein: the supporting columns (18) are arranged in a triangular prism structure.

4. The stabilizing device for a rotary robot arm according to claim 1, wherein: an inner groove (23) is formed in the base (1), two buffer springs (21) are fixedly connected in the inner groove (23), and the two buffer springs (21) are respectively located on two sides of an output shaft of the first motor (2).

5. The stabilizing device for a rotary robot arm according to claim 1, wherein: the top end of the second mechanical arm (9) is provided with three through holes.

6. The stabilizing device for a rotary robot arm according to claim 1, wherein: the middle parts of the first mechanical arm (7) and the second mechanical arm (9) are arranged in a hollow structure.