CN211517493U

CN211517493U - Arm structure of robot

Info

Publication number: CN211517493U
Application number: CN202020028919.2U
Authority: CN
Inventors: 陶丹; 刘朱浩; 陈业; 仇飞
Original assignee: Nanjing Xiaozhuang University
Current assignee: Nanjing Xiaozhuang University
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-09-18
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a robot arm structure, including the main arm body, there is the transmission box in the left side of main arm body through connecting rod swing joint, the inside fixedly connected with electric telescopic handle of transmission box, and electric telescopic handle's output extends to the left side and the fixedly connected with driving plate of transmission box. The utility model discloses a sprocket and axostylus axostyle drive the gear rotation, the gear drives the transmission box through following driving wheel and connecting rod and rotates, when the contained angle between transmission box and the main arm body reachs suitable angle, open electric telescopic handle, electric telescopic handle drives the driving plate and removes to the right side, the driving plate drives the traction lever and slides and pull the jack catch in the inside of jack catch in the removal process, make the jack catch use the round pin axle of transmission box both sides to revolve in opposite directions and snatch and lie in the inboard article of jack catch as the axle center, it is complicated to have solved current robot arm structure, the function is single, it is inconvenient to handle the material, lead to the problem that snatchs the efficiency reduction of material.

Description

Arm structure of robot

Technical Field

The utility model relates to the technical field of robots, specifically a robot arm structure.

Background

The robot is a machine device which can automatically execute work, not only can accept human commands, but also can run a pre-arranged program, and can also perform actions according to principles formulated by artificial intelligence technology, the task of the robot is to assist or replace the work of human work, such as production industry, construction industry, or dangerous work, the robot is a product of advanced integrated control theory, mechanical electronics, computers, materials and bionics, and the robot has important application in the fields of industry, medicine, agriculture, construction industry, even military and the like.

The robot mainly snatchs all kinds of materials through the arm, but current robot arm structure is complicated, and the function is single, and is inconvenient to handle the material, leads to the efficiency reduction of snatching of material.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a robot arm structure possesses advantages such as function pluralism, and it is complicated to have solved current robot arm structure, and the function is single, and is inconvenient to handle the material, leads to the problem that efficiency of snatching of material reduces.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: a robot arm structure comprises a main arm body, wherein the left side of the main arm body is movably connected with a transmission box through a connecting rod, the inside of the transmission box is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod extends to the left side of the transmission box and is fixedly connected with a transmission plate, the top and the bottom of the transmission box are both movably connected with a clamping jaw through a pin shaft, the transmission plate is sleeved on the surface of the clamping jaw, the inside of the transmission plate is fixedly connected with a traction rod positioned inside the clamping jaw, the traction rod is in sliding connection with the clamping jaw, the front side of the transmission box is provided with a driven wheel, the back side of the driven wheel is fixedly connected with the front side of the connecting rod, the inside of the main arm body is movably connected with a shaft rod through a bearing, the front end and the rear end of the shaft rod both penetrate, the rear end of the shaft lever is fixedly connected with a chain wheel.

Preferably, the front of transmission box is provided with the slip frame, the front intercommunication of slip frame has the heat dissipation fan, the inside fixedly connected with of slip frame is located the positive protection network of heat dissipation fan.

Preferably, the top and the bottom of the sliding frame respectively extend to the top and the bottom of the transmission box and are fixedly connected with limiting blocks, and one side of each limiting block, which is far away from the sliding frame, penetrates through the transmission box and is in sliding connection with the transmission box.

Preferably, an inner cavity is formed in the main arm body, a connecting block sleeved on the surface of the shaft lever is fixedly connected to the inside of the main arm body, and the connecting block is movably connected with the shaft lever through a bearing.

Preferably, the front surface of the main arm body is fixedly connected with a positioning frame sleeved on the surface of the shaft lever, the positioning frame is movably connected with the shaft lever through a bearing, and the positioning frame is made of damping materials.

Preferably, one side fixedly connected with extrusion pad that electric telescopic handle was kept away from to the driving plate, anti-skidding line has been seted up in extrusion pad's left side, extrusion pad's material is plastic wear-resisting material.

(III) advantageous effects

Compared with the prior art, the utility model provides a robot arm structure possesses following beneficial effect:

1. this robot arm structure, it is rotatory with the axostylus axostyle drive gear through the sprocket, the gear drives the transmission box through following driving wheel and connecting rod and rotates, when the contained angle between transmission box and the main arm body reachs suitable angle, open electric telescopic handle, electric telescopic handle drives the driving plate and removes to the right side, the driving plate drives the traction lever and slides and pull the jack catch in the inside of jack catch in the removal process, make the jack catch use the round pin axle of transmission box both sides to revolve in opposite directions and snatch the article that lies in the jack catch inboard as the axle center, it is complicated to have solved current robot arm structure, the function is single, it is inconvenient to handle the material, lead to the problem of the efficiency reduction of snatching of material.

2. The robot arm structure can regularly radiate heat of the electric telescopic rod by arranging the sliding frame, the heat radiating fan and the protective net, can prolong the service life of the electric telescopic rod, is convenient for the electric telescopic rod to continuously run for a long time, can be convenient for a user to adjust the heat radiating part of the heat radiating fan by arranging the limiting block, can improve the flexibility of the sliding frame, can reduce the weight of the main arm body by arranging the connecting block and the inner cavity, can play a supporting effect on the shaft rod to avoid the deformation of the shaft rod, can improve the contact area between the shaft rod and the main arm body by arranging the positioning frame, avoids the breakage of the shaft rod due to overhigh bearing, can push materials out of the inner side of the clamping jaw in the opening process of the clamping jaw by arranging the extrusion pad, can improve the practicability of the clamping jaw, and replaces the operation step that the clamping jaw stretches into the equipment, the influence of the clamping jaws on the operation of the equipment is avoided.

Drawings

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

FIG. 2 is a schematic sectional view of the front view structure of the present invention;

FIG. 3 is a right-view schematic diagram of the local structure of the present invention;

fig. 4 is a perspective view of the sliding frame structure of the present invention.

In the figure: the main arm comprises a main arm body 1, a transmission box 2, an electric telescopic rod 3, a transmission plate 4, a jaw 5, a traction rod 6, a driven wheel 7, a shaft rod 8, a gear 9, a chain wheel 10, a sliding frame 11, a heat dissipation fan 12, a protective screen 13, a limiting block 14, an inner cavity 15, a connecting block 16, a positioning frame 17 and an extrusion cushion 18.

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. 1-4, a robot arm structure includes a main arm body 1, a transmission box 2 is movably connected to the left side of the main arm body 1 through a connecting rod, an electric telescopic rod 3 is fixedly connected to the inside of the transmission box 2, a sliding frame 11 is disposed on the front side of the transmission box 2, a heat dissipating fan 12 is communicated with the front side of the sliding frame 11, a protective screen 13 is fixedly connected to the inside of the sliding frame 11 and located on the front side of the heat dissipating fan 12, the sliding frame 11, the heat dissipating fan 12 and the protective screen 13 are disposed to periodically dissipate heat of the electric telescopic rod 3, so as to prolong the service life of the electric telescopic rod 3, facilitate long-time continuous operation of the electric telescopic rod 3, the top and bottom of the sliding frame 11 respectively extend to the top and bottom of the transmission box 2 and are fixedly connected with a limiting block 14, one side of the limiting block 14 away from, the limiting block 14 is arranged, so that a user can conveniently adjust the heat dissipation part of the heat dissipation fan 12, the flexibility of the sliding frame 11 can be improved, the output end of the electric telescopic rod 3 extends to the left side of the transmission box 2 and is fixedly connected with the transmission plate 4, one side of the transmission plate 4, which is far away from the electric telescopic rod 3, is fixedly connected with the extrusion pad 18, the left side of the extrusion pad 18 is provided with anti-skid grains, the material of the extrusion pad 18 is plastic and wear-resistant material, the material can be pushed out of the inner side of the claw 5 in the opening process of the claw 5 by arranging the extrusion pad 18, the practicability of the claw 5 can be improved, the operation step that the claw 5 extends into the equipment to place the material is replaced, the influence of the claw 5 on the operation of the equipment is avoided, the top and the bottom of the transmission box 2 are both movably connected with the claw 5 through a pin shaft, the transmission plate 4 is sleeved, the traction rod 6 is connected with the clamping jaw 5 in a sliding manner, the driven wheel 7 is arranged on the front side of the transmission box 2, the back side of the driven wheel 7 is fixedly connected with the front side of the connecting rod, the shaft rod 8 is movably connected inside the main arm body 1 through a bearing, the inner cavity 15 is formed inside the main arm body 1, the connecting block 16 sleeved on the surface of the shaft rod 8 is fixedly connected inside the main arm body 1, the connecting block 16 is movably connected with the shaft rod 8 through a bearing, the weight of the main arm body 1 can be reduced by arranging the connecting block 16 and the inner cavity 15, the shaft rod 8 can be supported, the deformation of the shaft rod 8 is avoided, the front end and the rear end of the shaft rod 8 penetrate through the outer side of the main arm body 1, the gear 9 meshed with the driven wheel 7 is fixedly connected with the front side of the main arm body 1, the positioning frame 17 sleeved on the surface, the material of locating frame 17 is the damping, through setting up locating frame 17, can improve the area of contact of axostylus axostyle 8 with main arm body 1, avoids axostylus axostyle 8 to appear the rupture because of the bearing is too high, and the rear end fixedly connected with sprocket 10 of axostylus axostyle 8.

When using, it is rotatory to drive gear 9 through sprocket 10 and axostylus axostyle 8, gear 9 drives transmission box 2 through following driving wheel 7 and connecting rod and rotates, when the contained angle between transmission box 2 and the main arm body 1 reachs suitable angle, open electric telescopic handle 3, electric telescopic handle 3 drives driving plate 4 and moves to the right side, driving plate 4 drives traction lever 6 and slides and pull 5 at the inside of jack catch 5 in the removal process, make jack catch 5 use the round pin axle of transmission box 2 both sides to revolve in opposite directions and snatch the article that lie in jack catch 5 inboard as the axle center, regularly open heat dissipation fan 12 in electric telescopic handle 3 use, heat dissipation fan 12 can eliminate the heat that electric telescopic handle 3 operation in-process produced, can improve electric telescopic handle 3's life.

To sum up, this robot arm structure, it is rotatory to drive gear 9 through sprocket 10 and axostylus axostyle 8, gear 9 drives transmission box 2 through following driving wheel 7 and connecting rod and rotates, when the contained angle between transmission box 2 and the main arm body 1 reachs suitable angle, open electric telescopic handle 3, electric telescopic handle 3 drives driving plate 4 and removes to the right side, driving plate 4 drives traction lever 6 and slides and pull 5 at the inside of jack catch 5 in the removal process, make jack catch 5 use the round pin axle of transmission box 2 both sides to revolve in opposite directions and snatch the article that lie in 5 inboards of jack catch as the axle center, it is complicated to have solved current robot arm structure, the function is single, it is inconvenient to handle the material, lead to the problem of the efficiency reduction of snatching of material.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 robot arm structure, includes main arm body, its characterized in that: the left side of the main arm body is movably connected with a transmission box through a connecting rod, the interior of the transmission box is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod extends to the left side of the transmission box and is fixedly connected with a transmission plate, the top and the bottom of the transmission box are both movably connected with a clamping jaw through a pin shaft, the transmission plate is sleeved on the surface of the jaw, a traction rod positioned in the jaw is fixedly connected in the transmission plate, the draw bar is connected with the jack catch in a sliding way, a driven wheel is arranged on the front side of the transmission box, the back surface of the driven wheel is fixedly connected with the front surface of the connecting rod, the inside of the main arm body is movably connected with a shaft lever through a bearing, the front end and the rear end of the shaft lever penetrate through the outer side of the main arm body, the front end of the shaft lever is fixedly connected with a gear meshed with the driven wheel, and the rear end of the shaft lever is fixedly connected with a chain wheel.

2. A robot arm structure according to claim 1, characterized in that: the front of transmission box is provided with the slip frame, the front intercommunication of slip frame has the heat dissipation fan, the inside fixedly connected with of slip frame is located the positive protection network of heat dissipation fan.

3. A robot arm structure according to claim 2, characterized in that: the top and the bottom of slip frame extend to the top and the bottom of transmission box respectively and fixedly connected with stopper, the stopper is kept away from one side of slip frame and is run through the transmission box and with transmission box sliding connection.

4. A robot arm structure according to claim 1, characterized in that: an inner cavity is formed in the main arm body, a connecting block sleeved on the surface of the shaft lever is fixedly connected to the inside of the main arm body, and the connecting block is movably connected with the shaft lever through a bearing.

5. A robot arm structure according to claim 1, characterized in that: the front surface of the main arm body is fixedly connected with a positioning frame sleeved on the surface of the shaft lever, the positioning frame is movably connected with the shaft lever through a bearing, and the positioning frame is made of damping materials.

6. A robot arm structure according to claim 1, characterized in that: one side fixedly connected with extrusion pad that electric telescopic handle was kept away from to the driving plate, anti-skidding line has been seted up in extrusion pad's left side, the material of extrusion pad is plastic wear-resisting material.