CN218364764U

CN218364764U - Multi-angle rotating automatic mechanical arm

Info

Publication number: CN218364764U
Application number: CN202222982590.5U
Authority: CN
Inventors: 邓庆平
Original assignee: Suzhou Ruijiete Electronic Technology Co ltd
Current assignee: Suzhou Ruijiete Electronic Technology Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-01-24
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to an automatic arm technical field, specifically speaking relates to a multi-angle rotating automatic arm. It includes base and rolling disc, the rolling disc upper surface is equipped with driving motor and fixed block, rotate through connecting rod and roller between fixed block and the inside slider of slide rail case and be connected, the overcoat pole that fixed connection reciprocated between the slide rail case of both sides, slide rail case both sides all are equipped with protection device, protection device includes buffer spring and cushion, the cushion passes through buffer spring and slide rail incasement wall one side swing joint, in this multi-angle rotation automatic mechanical arm, through the protection device who sets up slide rail case both sides, it is difficult for flexible to prevent the hydraulic stem when the hydraulic stem removes maximum displacement, thereby cause the harm to machine itself, and simultaneously, in order to prevent slider direct contact slide rail incasement wall, promote the cushion through buffer spring and make the slider outwards remove, and then slow down the hydraulic stem and promote the overcoat pole and reach maximum displacement, play the guard action to the hydraulic stem.

Description

Multi-angle rotating automatic mechanical arm

Technical Field

The utility model relates to an automatic arm technical field, specifically speaking relates to a multi-angle rotating automatic arm.

Background

The mechanical arm can imitate certain motion functions of a human hand and the arm and is used for grabbing and carrying an object or an automatic operation device for operating a tool according to a fixed program; it can replace the heavy labor of people to realize the mechanization and automation of production, and can be operated under harmful environment to protect the personal safety, thus being widely applied to the departments of mechanical manufacturing, metallurgy, electronics, light industry and the like.

The existing mechanical arm can reach the maximum displacement of a machine when a grabbed object rises and falls, and can cause damage to the lifting system in long-term use, and in order to protect the lifting system, the damage to the machine caused by excessive operation is reduced, so that the multi-angle rotation automatic mechanical arm is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-angle rotating robotic arm to solve the problem that proposes in the above-mentioned background art.

In order to realize the above-mentioned purpose, the utility model provides a multi-angle rotating automatic mechanical arm, including base and rolling disc, the base top is equipped with the rolling disc, rolling disc and top driving motor output shaft coaxial coupling, rolling disc upper surface symmetry is equipped with the fixed block, rotate through connecting rod and roller between fixed block and the slide rail incasement portion slider and be connected, both sides fixed connection reciprocates's outer loop bar between the slide rail case, slide rail case both sides all are equipped with protection device, protection device includes buffer spring and cushion, the cushion passes through buffer spring and slide rail incasement wall one side swing joint.

The working principle is as follows: first, switch on hydraulic stem and driving motor, start work, driving motor output shaft drives the rolling disc rotation, thereby it is rotatory to rotate the whole device of rolling disc upper surface, then both sides hydraulic stem promote the outer loop bar and reciprocate, under the auxiliary action of connecting rod, prevent that the outer loop bar from taking place the slope, before the hydraulic stem removes maximum displacement, the blotter among the slider contact protection device connected with the connecting rod, the blotter makes buffer spring outwards promote the blotter through compressing buffer spring, and then make the connecting rod outwards remove and produce decurrent pulling force to the slide rail case, thereby prevent slider direct contact slide rail incasement wall, with this slow down the hydraulic stem and promote outer loop bar and reach maximum displacement, play the guard action to the hydraulic stem.

As a further improvement of the technical scheme, the inner part of the outer sleeve rod is of a vacuum structure, an inner sleeve rod attached to the inner part of the outer sleeve rod is arranged in the middle of the rotating disc, and the inner sleeve rod is connected with the inner wall of the outer sleeve rod in a sliding mode.

As a further improvement of the technical scheme, hydraulic rods are arranged on two symmetrical sides of the outer sleeve rod, the top of each hydraulic rod is fixedly connected with the outer sleeve rod, and the bottom of each hydraulic rod is fixedly connected with the rotating disc.

As a further improvement of the technical scheme, a groove is formed in the sliding rail box, and the groove is connected with the sliding block attached to the inside in a sliding mode.

As a further improvement of the technical scheme, the top of the outer loop bar is also provided with a connector which is used for connecting other mechanical arms.

Compared with the prior art, the beneficial effects of the utility model are that:

in this multi-angle rotation automatic mechanical arm, through the protection device who sets up slide rail case both sides, prevent that the hydraulic stem is difficult to stretch out and draw back when the hydraulic stem removes maximum displacement to cause the harm to machine itself, simultaneously, in order to prevent slider direct contact slide rail incasement wall, promote the blotter through buffer spring and make the slider outwards remove, and then slow down the hydraulic stem and promote outer loop bar and reach maximum displacement, play the guard action to the hydraulic stem.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic front view of the embodiment 1;

FIG. 3 is a front sectional view of the outer casing rod of embodiment 1;

FIG. 4 is a sectional enlarged schematic view of the slide rail box according to embodiment 1;

fig. 5 is an enlarged structural schematic diagram of the protection device of embodiment 1.

The various reference numbers in the figures mean:

100. a base; 101. rotating the disc; 102. a hydraulic lever; 103. a drive motor;

20. a protection device; 210. a buffer spring; 211. a cushion pad;

300. a slide rail box; 301. a connecting rod; 302. a roller; 303. a slider; 304. a groove; 305. a fixed block;

400. an outer loop bar; 401. an inner loop bar;

500. a connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Examples

Referring to fig. 1-5, this embodiment provides a multi-angle rotation robot arm, which includes a base 100 and a rotating disc 101, wherein the top of the base 100 is provided with the rotating disc 101, the rotating disc 101 is coaxially connected to an output shaft of a top driving motor 103, the driving motor 103 rotates to drive the rotating disc 101 to rotate, so as to operate objects with different angles, meanwhile, the upper surface of the rotating disc 101 is symmetrically provided with fixing blocks 305, the fixing blocks 305 are rotatably connected to the sliding blocks 303 inside the sliding rail boxes 300 through a connecting rod 301 and a roller 302, and the sliding rail boxes 300 on both sides are fixedly connected to an external rod 400 that moves up and down, for the purpose of: in order to prevent the outer loop bar 400 from inclining, the outer loop bar 400 is protected, then, the protection devices 20 are arranged on two sides of the slide rail box 300, each protection device 20 comprises a buffer spring 210 and a buffer cushion 211, each buffer cushion 211 is movably connected with one side of the inner wall of the slide rail box 300 through the buffer spring 210, when the slide blocks 303 move towards two ends, the buffer cushions 211 enable the buffer springs 210 to push the slide blocks 303 outwards for the buffer cushions 211 through compressing the buffer springs 210, so that the slide blocks 303 are prevented from directly contacting the inner wall of the slide rail box 300, the hydraulic rod 102 is slowed down to push the outer loop bar 400 to reach the maximum displacement, and the hydraulic rod 102 is protected.

The working principle is as follows: firstly, the hydraulic rods 102 and the driving motor 103 are powered on to start work, an output shaft of the driving motor 103 drives the rotating disc 101 to rotate, so that the whole device on the upper surface of the rotating disc 101 rotates, then the hydraulic rods 102 on two sides push the outer sleeve rod 400 to move up and down, the outer sleeve rod 400 is prevented from inclining under the auxiliary action of the connecting rod 301, before the hydraulic rods 102 move to the maximum displacement, the sliding blocks 303 connected with the connecting rod 301 are in contact with the buffer pads 211 in the protection device 20, the buffer pads 211 enable the buffer springs 210 to push the buffer pads 211 outwards through compressing the buffer springs 210, further the connecting rods 301 move outwards to generate downward tensile force on the slide rail box 300, and therefore the sliding blocks 303 are prevented from being in direct contact with the inner wall of the slide rail box 300, the hydraulic rods 102 are slowed down to push the outer sleeve rod 400 to the maximum displacement, and the hydraulic rods 102 are protected.

Specifically, in order to reduce the resistance of the hydraulic rod 102 during ascending and descending, the inner portion of the outer sleeve 400 is designed to be a vacuum structure, the middle portion of the rotary disk 101 is provided with an inner sleeve 401 attached to the inner portion of the outer sleeve 400, and the inner sleeve 401 is connected to the inner wall of the outer sleeve 400 in a sliding manner, so that the outer sleeve 400 slides outside the rotary disk 101 when the hydraulic rod 102 pushes up and down.

Secondly, in order to prevent the outer loop bar 400 from being stressed unevenly and inclined in the pushing process of the outer loop bar 400, the hydraulic rods 102 are arranged on the two symmetrical sides of the outer loop bar 400, the top of each hydraulic rod 102 is fixedly connected with the outer loop bar 400, and the bottom of each hydraulic rod 102 is fixedly connected with the rotating disc 101.

Specifically, slide rail case 300 is inside to be seted up recess 304, sliding connection between recess 304 and the slider 303 of inside laminating, its purpose: when the cushion pad 211 pushes the slide block 303, the friction force between the slide block 303 and the groove 304 is reduced, so that the hydraulic rod 102 reduces the resistance to ascending and descending during pushing the outer loop bar 400 to move up and down.

In addition, in order to accommodate other mechanical arms, a connector 500 is further provided at the top of the outer lever 400, and the connector 500 is used to connect other mechanical arms.

When the multi-angle rotation robot arm in this embodiment is used specifically, first, the connector 500 at the top of the outer loop bar 400 is connected to other work tables, then the hydraulic rod 102 and the driving motor 103 are powered on, and start-up work is performed, the output shaft of the driving motor 103 drives the rotating disc 101 to rotate, so that the whole device on the upper surface of the rotating disc 101 rotates, then the hydraulic rods 102 on both sides push the outer loop bar 400 to move up and down outside the inner loop bar 401, and under the auxiliary action of the connecting rod 301, the outer loop bar 400 is prevented from inclining, before the hydraulic rod 102 moves to the maximum displacement, the slider 303 connected with the connecting rod 301 contacts the buffer cushion 211 in the protection device 20, and the buffer cushion 211 enables the buffer spring 210 to push the buffer cushion 211 outwards through compressing the buffer spring 210, so that the connecting rod 301 moves outwards to generate a downward pulling force on the slide rail box 300, so as to prevent the slider 303 from directly contacting the inner wall of the slide rail box 300, and further slow down the hydraulic rod 102 from pushing the outer loop bar 400 to the maximum displacement, thereby protecting the hydraulic rod 102.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A multi-angle rotary robot arm comprising a base (100) and a turn disc (101), characterized in that: base (100) top is equipped with rolling disc (101), rolling disc (101) and top driving motor (103) output shaft coaxial coupling, rolling disc (101) upper surface symmetry is equipped with fixed block (305), be connected through connecting rod (301) and roller (302) rotation between fixed block (305) and slide rail case (300) inside slider (303), both sides fixed connection overcoat pole (400) that reciprocate between slide rail case (300), slide rail case (300) both sides all are equipped with protection device (20), protection device (20) include buffer spring (210) and cushion (211), cushion (211) are through buffer spring (210) and slide rail case (300) inner wall one side swing joint.

2. The multi-angle rotary robotic arm of claim 1, wherein: the interior of the outer loop bar (400) is of a vacuum structure, an inner loop bar (401) attached to the interior of the outer loop bar (400) is arranged in the middle of the rotating disc (101), and the inner loop bar (401) is connected with the inner wall of the outer loop bar (400) in a sliding mode.

3. The multi-angle rotary robotic arm of claim 1, wherein: the hydraulic rods (102) are arranged on two symmetrical sides of the outer sleeve rod (400), the top of each hydraulic rod (102) is fixedly connected with the outer sleeve rod (400), and the bottom of each hydraulic rod is fixedly connected with the rotating disc (101).

4. The multi-angle rotary robotic arm of claim 1, wherein: a groove (304) is formed in the sliding rail box (300), and the groove (304) is connected with the sliding block (303) attached to the inner portion in a sliding mode.

5. The multi-angle rotary robotic arm of claim 1, wherein: the top of the outer loop bar (400) is also provided with a connector (500), and the connector (500) is used for connecting other mechanical arms.