CN213674105U

CN213674105U - Novel mechanical arm joint structure

Info

Publication number: CN213674105U
Application number: CN202022671585.3U
Authority: CN
Inventors: 卢剑锋; 何玉飞; 王强
Original assignee: Shenzhen Liangercai Precision Machinery Co ltd
Current assignee: Shenzhen Liangercai Precision Machinery Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-13
Anticipated expiration: 2030-11-18

Abstract

The utility model belongs to the technical field of mechanical arms, and discloses a novel mechanical arm joint structure, which comprises a protective shell, a first transmission belt and a second transmission belt, a first motor is arranged at the bottom inside the protective shell, a first driving wheel is arranged at the shaft end of the first motor, a second motor is arranged at one side of the inner bottom of the protective shell, which is adjacent to the first motor, the utility model is provided with a liquid port, a conductive sleeve and conductive silica gel, when in use, the antistatic liquid is poured on the surface of the conductive sleeve through the liquid port, and the antistatic liquid can be scattered on the surface of the conductive sleeve, and the static electricity generated when the first motor or the second motor works can be poured into the surface of the conductive sleeve through the conductive silica gel, static electricity is counteracted by the antistatic liquid on the surface of the conductive sleeve, so that the motor can be protected from being damaged by the static electricity when working for a long time, and inflammable matters touched by the mechanical arm when the mechanical arm works can be prevented from being ignited by the static electricity.

Description

Novel mechanical arm joint structure

Technical Field

The utility model belongs to the technical field of robotic arm, concretely relates to novel robotic arm joint structure.

Background

The mechanical arm is an automatic mechanical device which is widely applied in the technical field of robots, and the body shadow of the mechanical arm can be seen in the fields of industrial manufacturing, medical treatment, entertainment service, military, semiconductor manufacturing, space exploration and the like.

In the prior art, the mechanical arm is easy to generate a large amount of static electricity at the joint due to long-time work, and the static electricity cannot be removed in time, so that the possibility of explosion of inflammable materials in a workshop is increased, and then when the mechanical arm works for a long time, the joint is easy to wear, so that the mechanical arm is insensitive, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel robotic arm joint structure to solve the current static that gets rid of among the robotic arm that can not be timely, and can not keep the inside more nimble moving problem of arm joint.

In order to achieve the above object, the utility model provides a following technical scheme: a novel mechanical arm joint structure comprises a protective shell, a first transmission belt and a second transmission belt, wherein a first motor is installed at the bottom inside the protective shell, a first driving wheel is installed at the shaft end of the first motor, a second motor is installed at one side, adjacent to the first motor, of the bottom inside the protective shell, a second driving wheel is installed at the shaft end of the second motor, a first connecting shaft is connected to one side above the protective shell, a first rotating shaft is arranged inside the first connecting shaft, a first driven wheel is welded to the surface of the first rotating shaft, the first transmission belt is arranged on the surface of the first driven wheel, the first driven wheel is in transmission connection with the first driving wheel through the first transmission belt, a second connecting shaft is installed at one side, opposite to the first connecting shaft, above the protective shell, and a second rotating shaft is installed inside the second connecting shaft, the one end that the second connecting axle was kept away from in the second pivot is connected with the reduction gear, and the surface mounting of second pivot has the second from the driving wheel, the second is provided with the second drive belt from the surface of driving wheel, the second is connected with the transmission of second action wheel through the second drive belt from the driving wheel, the outside of first pivot and second pivot all is provided with the oiling box, the hydraulic fluid port has been seted up to the top of oiling box, the internal weld of hydraulic fluid port has oil pipe, the hydraulic fluid port has been seted up to oil pipe's top.

Preferably, the top of first motor and second motor all is provided with the conductive sleeve, and conductive silica gel is installed to the bottom of conductive sleeve, first motor and second motor all through conductive silica gel and conductive sleeve fixed connection.

Preferably, a liquid port is formed above the conductive sleeve, and a water absorbing layer is arranged on the upper surface of the conductive sleeve.

Preferably, the bottom welding of electrically conductive cover has the connecting block, the inside of connecting block is provided with the bolt, and the connecting block passes through bolt and protective housing fixed connection.

Preferably, the number of the oil injection boxes is two, the oil injection box is located at the joint of the first rotating shaft and the first connecting shaft, and the oil injection box is located at the joint of the second rotating shaft and the second connecting shaft.

Preferably, a fan is arranged on one side of the inside of the protective shell, the number of the fans is two, a ventilation net is installed on one side, located on the protective shell, of each fan, and the ventilation net is welded on one side of the inner wall of the protective shell.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses the liquid mouth has been set up, conductive sleeve and electrically conductive silica gel, when using, pour antistatic liquid into conductive sleeve surface through the liquid mouth, and antistatic liquid can scatter at the conductive sleeve surface, and the static that first motor or second motor during operation produced can pour the electricity into conductive sleeve's surface through electrically conductive silica gel, and offset static by the antistatic liquid on conductive sleeve surface, can protect the motor like this not receive the harm of static long-time during operation, and can prevent that some combustible substance that static touched the robotic arm during operation from lighting, lead to the occurence of failure.

(2) The utility model discloses set up hydraulic fluid port, oil pipe, oiling box and led the hydraulic fluid port, at manipulator operating time overlength, pour into appropriate amount lubricating oil into to oil pipe through the hydraulic fluid port to lubricating oil flows to leading in the hydraulic fluid port through the oil pipe, thereby makes lubricating oil drip in the pivot, realizes the lubrication to the pivot.

Drawings

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

fig. 2 is a side view of a first electric machine of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a schematic structural view of the oil filling box of the present invention;

fig. 5 is a side view of a second electric machine of the present invention;

in the figure: 1. a protective shell; 2. a first motor; 3. a second motor; 4. a conductive sleeve; 5. a liquid port; 6. a fan; 7. a first drive wheel; 8. a second drive wheel; 9. a second belt; 10. a second driven wheel; 11. a second connecting shaft; 12. an oil injection box; 13. an oil pipe; 14. an oil port; 15. a speed reducer; 16. a first drive belt; 17. a first driven wheel; 18. a first rotating shaft; 19. a second rotating shaft; 20. a first connecting shaft; 21. conductive silica gel; 22. connecting blocks; 23. a bolt; 24. a ventilation net; 25. and an oil guide port.

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. 1-5, the present invention provides the following technical solutions: a novel mechanical arm joint structure comprises a protective shell 1, a first transmission belt 16 and a second transmission belt 9, wherein a first motor 2 is installed at the bottom inside the protective shell 1, the model of the first motor 2 is MS0020A, a first driving wheel 7 is installed at the shaft end of the first motor 2, a second motor 3 is installed at one side, adjacent to the first motor 2, of the bottom inside the protective shell 1, the signal of the second motor 3 is MS0020A, a second driving wheel 8 is installed at the shaft end of the second motor 3, a first connecting shaft 20 is connected to one side above the protective shell 1, a first rotating shaft 18 is arranged inside the first connecting shaft 20, a first driven wheel 17 is welded to the surface of the first rotating shaft 18, the first transmission belt 16 is arranged on the surface of the first driven wheel 17, the first driven wheel 17 is rotatably connected with the first driving wheel 7 through the first transmission belt 16, a second connecting shaft 11 is installed on one side, opposite to the first connecting shaft 20, above the protective shell 1, the internally mounted of second connecting axle 11 has second pivot 19, the one end that second pivot 19 kept away from second connecting axle 11 is connected with reduction gear 15, and the surface mounting of second pivot 19 has the second from driving wheel 10, the second is provided with second drive belt 9 from the surface of driving wheel 10, the second is rotated with second action wheel 8 through second drive belt 9 from driving wheel 10 and is connected, first pivot 18 all is provided with notes oil box 12 with second pivot 19's outside, the top of annotating oil box 12 has been seted up and has been led hydraulic fluid port 25, the inside welding of leading hydraulic fluid port 25 has oil pipe 13, hydraulic fluid port 14 has been seted up to oil pipe 13's top, make things convenient for the staff to pour into proper amount lubricating oil into to joint inside.

Further, the top of first motor 2 and second motor 3 all is provided with conductive sleeve 4, and conductive silica gel 21 is installed to the bottom of conductive sleeve 4, and first motor 2 and second motor 3 all lead to conductive silica gel 21 and conductive sleeve 4 fixed connection through conductive silica gel 21, make things convenient for the static that produces to derive in first motor 2 and the second motor 3 to increase first motor 2 and second motor 3's life.

Furthermore, a liquid port 5 is formed above the conductive sleeve 4, and a water absorption layer is arranged on the upper surface of the conductive sleeve 4, so that the antistatic liquid can be effectively absorbed.

Specifically, the bottom welding of conductive sleeve 4 has connecting block 22, and the inside of connecting block 22 is provided with bolt 23, and connecting block 22 passes through

bolt

23 and 1 fixed connection of protective housing, when can be fixed conductive sleeve 4, makes the motor can the steady operation.

It is worth to be noted that two oil injection boxes 12 are arranged, the oil injection box 12 is located at the joint of the first rotating shaft 18 and the first connecting shaft 20, and the oil injection box 12 is located at the joint of the second rotating shaft 19 and the second connecting shaft 11, so that lubricating oil can be effectively injected to the rotating position, and the rotation of the mechanical arm is more sensitive.

Furthermore, fan 6 is arranged on one side of the inside of the protective shell 1, two fans 6 are arranged, the fan 6 is arranged on one side of the protective shell 1, a ventilation net 24 is installed on one side, the ventilation net 24 is welded on one side of the inner wall of the protective shell 1, heat generated by the motor can be effectively extracted from the protective shell, and therefore the working efficiency of joints is kept.

The utility model discloses a theory of operation and use flow: when the utility model is used, a mechanical arm is respectively arranged on the first connecting shaft 20 or the second connecting shaft 11, and antistatic liquid is injected into the surface of the conductive sleeve 4 through the liquid port 5, and the fan 6 is started, and then the first motor 2 and the second motor 3 are opened, the first motor 2 rotates through the first driving wheel 7, the first driven wheel 17 is driven through the first driving belt 16, so that the first connecting shaft 20 operates the mechanical arm, meanwhile, the second motor 3 drives the second driving wheel 8, meanwhile, the second driving wheel 8 drives the second connecting shaft 11 through the second driving belt 9, and the second rotating shaft 19 is controlled by the speed reducer 15;

thereafter, the lubricating oil is poured into the oil pipe 13 through the oil port 14, so that the oil in the oil pipe 13 falls onto the first rotating shaft 18 and the second rotating shaft 19 through the oil filling box 12 to maintain flexibility in rotation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel robotic arm joint structure which characterized in that: the novel motor protective shell comprises a protective shell (1), a first transmission belt (16) and a second transmission belt (9), wherein a first motor (2) is installed at the bottom inside the protective shell (1), a first driving wheel (7) is installed at the shaft end of the first motor (2), a second motor (3) is installed at one side, adjacent to the first motor (2), of the bottom inside the protective shell (1), a second driving wheel (8) is installed at the shaft end of the second motor (3), a first connecting shaft (20) is connected to one side above the protective shell (1), a first rotating shaft (18) is arranged inside the first connecting shaft (20), a first driven wheel (17) is welded to the surface of the first rotating shaft (18), the first transmission belt (16) is arranged on the surface of the first driven wheel (17), and the first driven wheel (17) is in transmission connection with the first driving wheel (7) through the first transmission belt (16), a second connecting shaft (11) is arranged on one side of the upper part of the protective shell (1) opposite to the first connecting shaft (20), a second rotating shaft (19) is arranged in the second connecting shaft (11), one end of the second rotating shaft (19) far away from the second connecting shaft (11) is connected with a speed reducer (15), a second driven wheel (10) is arranged on the surface of the second rotating shaft (19), a second transmission belt (9) is arranged on the surface of the second driven wheel (10), the second driven wheel (10) is in transmission connection with the second driving wheel (8) through a second transmission belt (9), the outer parts of the first rotating shaft (18) and the second rotating shaft (19) are respectively provided with an oil injection box (12), an oil guide opening (25) is formed in the upper portion of the oil injection box (12), an oil pipe (13) is welded inside the oil guide opening (25), and an oil opening (14) is formed in the upper portion of the oil pipe (13).

2. The novel mechanical arm joint structure as claimed in claim 1, wherein: the motor is characterized in that a conductive sleeve (4) is arranged above the first motor (2) and the second motor (3), conductive silica gel (21) is arranged at the bottom of the conductive sleeve (4), and the first motor (2) and the second motor (3) are fixedly connected with the conductive sleeve (4) through the conductive silica gel (21).

3. The novel mechanical arm joint structure as claimed in claim 2, wherein: a liquid port (5) is formed above the conductive sleeve (4), and a water absorbing layer is arranged on the upper surface of the conductive sleeve (4).

4. The novel mechanical arm joint structure as claimed in claim 3, wherein: the bottom welding of electrically conductive cover (4) has connecting block (22), the inside of connecting block (22) is provided with bolt (23), and connecting block (22) pass through bolt (23) and protective housing (1) fixed connection.

5. The novel mechanical arm joint structure as claimed in claim 1, wherein: the oil injection box (12) is provided with two oil injection boxes, the oil injection box (12) is located at the joint of the first rotating shaft (18) and the first connecting shaft (20), and the oil injection box (12) is located at the joint of the second rotating shaft (19) and the second connecting shaft (11).

6. The novel mechanical arm joint structure as claimed in claim 2, wherein: the fan protection structure is characterized in that a fan (6) is arranged on one side of the inside of the protection shell (1), two fans (6) are arranged, a ventilation net (24) is arranged on one side, located on the protection shell (1), of each fan (6), and the ventilation net (24) is welded on one side of the inner wall of the protection shell (1).