CN215395306U

CN215395306U - Joint connection structure of mechanical arm

Info

Publication number: CN215395306U
Application number: CN202121611218.2U
Authority: CN
Inventors: 吕宏岩
Original assignee: Liaocheng Technical College (liaocheng Advanced Engineering Vocational School)
Current assignee: Liaocheng Technical College (liaocheng Advanced Engineering Vocational School)
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-04
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a joint connecting structure of a mechanical arm, which comprises a fixed column and a rotating shaft, wherein the top end of the fixed column is fixedly connected with a base, the upper surface of the base is fixedly connected with a spring, the upper surface of the base is provided with a threaded hole, a fixing bolt penetrates through the internal thread of the threaded hole, the base is connected with a fixed block through the fixing bolt, the upper surface of the fixed block is fixedly connected with a connecting block, the rotating shaft penetrates through the inside of the connecting block, the two ends of the rotating shaft are both in threaded connection with nuts, the surface of the rotating shaft is fixedly connected with a clamping block, the surface of the rotating shaft is sleeved with a connecting rod, and one side of the connecting rod is inserted with a rotating column. Through the cooperation setting of motion pole and card line piece, can make the cable card on the card line piece, make the cable can not in disorder shake, after the work of manipulator, avoid the cable in disorder as far as possible, through the cooperation setting of pivot and nut, can make manipulator put convenient the dismantlement, facilitate for operating personnel.

Description

Joint connection structure of mechanical arm

Technical Field

The utility model relates to the technical field of mechanical arms, in particular to a joint connecting structure of a mechanical arm.

Background

The robot arm is an automatic operating device which can imitate certain motion functions of a human hand and an arm and is used for grabbing and carrying objects or operating tools according to a fixed program, is the earliest industrial robot and the earliest modern robot, can replace heavy labor of people to realize mechanization and automation of production, can operate under a harmful environment to protect personal safety, and is widely applied to departments of mechanical manufacturing, metallurgy, electronics, light industry, atomic energy and the like.

Chinese patent publication No. CN210939348U discloses a joint connection structure of a mechanical arm, which comprises a first mechanical arm and a second mechanical arm, wherein both the first mechanical arm and the second mechanical arm are provided with a protection mechanism, one ends of the first mechanical arm and the second mechanical arm, which are close to each other, are respectively and fixedly connected with a first fixed block and a second fixed block, and the first fixed block and the second fixed block are rotatably connected through a connecting piece. The service life of the mechanical arm is prolonged.

But this utility model in use is not convenient for arrange in order the circuit on arm surface, and after the work of manipulator, probably can make the cable in disorder, the device is not convenient for manipulator's dismantlement, and the manipulator that is not convenient for carries out the rotation of multi-angle.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a joint connecting structure of a mechanical arm, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a joint connecting structure of a mechanical arm comprises a fixed column and a rotating shaft, wherein the top end of the fixed column is fixedly connected with a base, the upper surface of the base is fixedly connected with a spring, the upper surface of the base is provided with a threaded hole, the inner thread of the threaded hole is penetrated with a fixing bolt, the base is connected with a fixing block through the fixing bolt, the upper surface of the fixed block is fixedly connected with a connecting block, a rotating shaft is arranged in the connecting block in a penetrating way, both ends of the rotating shaft are in threaded connection with nuts, the surface of the rotating shaft is fixedly connected with a clamping block, the surface of the rotating shaft is sleeved with a connecting rod, one side of the connecting rod is inserted with a rotating column, the surface of the rotating column is provided with a fixing hole, the surface of the rotating column is sleeved with a connecting column, one end, far away from the rotating column, of the connecting column is fixedly connected with a moving rod, and the upper surface of the moving rod is connected with a wire clamping block through a bolt.

Optionally, one end of the spring in the elastic direction is fixedly connected to the lower surface of the fixing block.

Optionally, the number of the connecting blocks is two, and the two connecting blocks are symmetrically arranged by taking a vertical center line of the fixing block as a symmetry axis.

Optionally, the fixing bolt penetrates through one end of the fixing block and is in threaded connection with the inner wall of the threaded hole.

Optionally, a clamping bolt penetrates through the surface thread of the connecting column, and the clamping bolt penetrates through the inner wall of the fixing hole through the thread on one side of the connecting column.

Optionally, the inner wall of the connecting rod is provided with a clamping groove, and the clamping block is arranged on the inner wall of the clamping groove in a penetrating mode.

(III) advantageous effects

The utility model provides a joint connecting structure of a mechanical arm, which has the following beneficial effects:

1. this robotic arm's joint connection structure sets up through the cooperation of motion pole and card line piece, can make the cable card on card line piece, makes the cable can not be in disorder shaken, has done work at the robotic arm back, and the cable that avoids the arm surface as far as possible is in disorder, sets up through the cooperation of pivot and nut, can make robotic arm put convenient the dismantlement, facilitates for operating personnel.

2. This robotic arm's joint connection structure sets up through the cooperation that rotates post and spliced pole, can make the motion pole can carry out the rotation of multi-angle, links together spliced pole and rotation post through the chucking bolt, and when rotating the post and rotating, the spliced pole is along with rotating, and the motion pole of being convenient for carries out the rotation of multi-angle.

Drawings

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

FIG. 2 is a schematic structural view of a spindle according to the present invention;

FIG. 3 is a schematic structural view of a connecting column of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at A.

In the figure: 1. fixing a column; 2. a rotating shaft; 3. a base; 4. a spring; 5. a threaded hole; 6. fixing the bolt; 7. a fixed block; 8. connecting blocks; 9. a nut; 10. a clamping block; 11. a connecting rod; 12. rotating the column; 13. a fixing hole; 14. connecting columns; 15. a motion bar; 16. a wire clamping block; 17. and (4) clamping the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a joint connecting structure of a mechanical arm comprises a fixed column 1 and a rotating shaft 2, wherein the top end of the fixed column 1 is fixedly connected with a base 3, the upper surface of the base 3 is fixedly connected with a spring 4, when the mechanical arm works, the spring 4 can play a certain decompression role to reduce the damage to other parts, one end of the spring 4 in the elastic direction is fixedly connected with the lower surface of a fixed block 7, the upper surface of the base 3 is provided with a threaded hole 5, a fixing bolt 6 penetrates through the internal thread of the threaded hole 5, the base 3 is connected with the fixed block 7 through the fixing bolt 6, one end of the fixing bolt 6 penetrating through the fixed block 7 is connected with the inner wall of the threaded hole 5, the upper surface of the fixed block 7 is fixedly connected with two connecting blocks 8, the two connecting blocks 8 are symmetrically arranged by taking the vertical central line of the fixed block 7 as a symmetrical axis, the rotating shaft 2 penetrates through the inside of the connecting blocks 8, the two ends of the rotating shaft 2 are both in threaded connection with nuts 9, when the mechanical arm needs to be disassembled, the nuts 9 at the two ends of the rotating shaft 2 are screwed off through the matching arrangement of the rotating shaft 2 and the nuts 9, so that the mechanical arm can be conveniently disassembled, convenience is brought to operators, threading holes for the inner cables to penetrate through are formed in the upper surfaces of the base 3 and the fixed block 7, a groove is formed in one side of the moving rod 15, and the inner wall of the groove is also provided with the threading holes, so that the inner cables can be conveniently penetrated through;

the surface of the rotating shaft 2 is fixedly connected with a clamping block 10, the surface of the rotating shaft 2 is sleeved with a connecting rod 11, the inner wall of the connecting rod 11 is provided with a clamping groove, the clamping block 10 penetrates through the inner wall of the clamping groove, the stability of connection between the connecting rod 11 and the rotating shaft 2 is improved, the connecting rod 11 is prevented from falling off as much as possible, a rotating column 12 is inserted into one side of the connecting rod 11, a fixed hole 13 is formed in the surface of the rotating column 12, a connecting column 14 is sleeved on the surface of the rotating column 12, through the matching arrangement of the rotating column 12 and the connecting column 14, the moving rod 15 can rotate at multiple angles, the connecting column 14 is connected with the rotating column 12 through a clamping bolt 17, when the rotating column 12 rotates, the connecting column 14 rotates along with the rotating, the moving rod 15 can rotate at multiple angles conveniently, mechanical arms are more flexible, and the working efficiency is improved as much as possible;

chucking bolt 17 is worn to be equipped with by the surperficial screw thread of spliced pole 14, the inner wall at fixed orifices 13 is worn to establish by one side screw thread that chucking bolt 17 runs through spliced pole 14, spliced pole 14 is kept away from the one end fixedly connected with motion pole 15 of rotating post 12, there is card line piece 16 by bolted connection on the upper surface of motion pole 15, the bolt that is used for the chucking cable is worn to be equipped with by the inside screw thread of card line piece 16, be convenient for fix the cable, cooperation setting through motion pole 15 and card line piece 16, can make the cable card on card line piece 16, make the cable can not in disorder shake, after the manipulator has worked, the cable on the arm surface is in disorder to the greatest extent of avoiding.

In the utility model, the working steps of the device are as follows:

1. an operator clamps the cable in the cable clamping block 16, so that the cable is prevented from being shaken in a mess, and the cable is prevented from being messed as much as possible after the mechanical arm works;

2. when the mechanical arm needs to be disassembled, the nuts 9 at the two ends of the rotating shaft 2 are unscrewed through the matching arrangement of the rotating shaft 2 and the nuts 9, so that the mechanical arm can be conveniently disassembled, and convenience is brought to operators;

3. when needs motion pole 15 to rotate, link together spliced pole 14 and rotation post 12 through chucking bolt 17, when rotating post 12 and rotating, spliced pole 14 is along with rotating, and the motion pole 15 of being convenient for carries out the rotation of multi-angle, makes robotic arm more nimble, improves work efficiency as far as possible.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a robotic arm's joint connection structure, includes fixed column (1) and pivot (2), its characterized in that: the top end of the fixed column (1) is fixedly connected with a base (3), the upper surface of the base (3) is fixedly connected with a spring (4), the upper surface of the base (3) is provided with a threaded hole (5), the internal thread of the threaded hole (5) is penetrated with a fixing bolt (6), the base (3) is connected with a fixed block (7) through the fixing bolt (6), the upper surface of the fixed block (7) is fixedly connected with a connecting block (8), the inside of the connecting block (8) is penetrated with a rotating shaft (2), two ends of the rotating shaft (2) are both in threaded connection with nuts (9), the surface of the rotating shaft (2) is fixedly connected with a clamping block (10), the surface of the rotating shaft (2) is sleeved with a connecting rod (11), one side of the connecting rod (11) is inserted with a rotating column (12), and the surface of the rotating column (12) is provided with a fixed hole (13), the surface of the rotating column (12) is sleeved with a connecting column (14), one end of the connecting column (14), far away from the rotating column (12), is fixedly connected with a moving rod (15), and the upper surface of the moving rod (15) is connected with a wire clamping block (16) through a bolt.

2. The joint connection structure of a robot arm according to claim 1, wherein: one end of the spring (4) in the elastic direction is fixedly connected to the lower surface of the fixing block (7).

3. The joint connection structure of a robot arm according to claim 1, wherein: the number of the connecting blocks (8) is two, and the two connecting blocks (8) are symmetrically arranged by taking the vertical central line of the fixing block (7) as a symmetry axis.

4. The joint connection structure of a robot arm according to claim 1, wherein: and the fixing bolt (6) penetrates through one end of the fixing block (7) and is in threaded connection with the inner wall of the threaded hole (5).

5. The joint connection structure of a robot arm according to claim 1, wherein: the surface screw thread of spliced pole (14) wears to be equipped with chucking bolt (17), chucking bolt (17) run through the inner wall of the one side screw thread of spliced pole (14) and wear to establish in fixed orifices (13).

6. The joint connection structure of a robot arm according to claim 1, wherein: the inner wall of the connecting rod (11) is provided with a clamping groove, and the clamping block (10) penetrates through the inner wall of the clamping groove.