CN219170952U

CN219170952U - Robot arm

Info

Publication number: CN219170952U
Application number: CN202320225239.3U
Authority: CN
Inventors: 郑传在; 郭芬; 朱逸
Original assignee: Shanghai Bairui Industrial Development Co ltd
Current assignee: Shanghai Bairui Industrial Development Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-13
Anticipated expiration: 2033-02-15

Abstract

The utility model relates to the technical field of robots, in particular to a robot arm, which comprises a bearing plate, wherein the top end of the bearing plate is provided with two first grooves, the bottom end of the inner wall of each first groove is provided with at least two first fixing holes, and the top end of the bearing plate between the two first grooves is provided with at least two second fixing holes. According to the utility model, the top end of the fixing ring is continuously pressed, the fixing rod at the top end of the fixing ring is enabled to stay at one side of the second groove, at this time, the fixing ring is rotated to enable one end of the fixing rod to be driven by the fixing ring to move to the lower side of the second groove, at this time, the fixing ring is pushed by the spring block to move upwards under the acting force of the spring block, the fixing ring is simultaneously driven by the fixing ring to enter the second groove, the fixing ring is limited at the top end of the L-shaped fixing plate through the second groove, and the fixing devices at the two ends of the threaded rod and the locating rod are used for conveniently operating and increasing the stability of the base.

Description

Robot arm

Technical Field

The utility model relates to the technical field of robots, in particular to a robot arm.

Background

The robot arm has the advantages that the motions of all joints of the robot arm are rotation, the robot arm is similar to that of a human arm, the joint robot is one of the most common industrial robots in the current industrial fields, and the robot arm is suitable for mechanical automation operation in various industrial fields, but a base of the general robot arm is fixed at a certain position to work and is fixed through a plurality of bolts, when the robot arm needs to be adjusted in the use process, the robot arm needs to be detached integrally, and certain limitation exists in the use process.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a robot arm.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a robot arm, includes the loading board, two first recesses have been seted up on the top of loading board, every two at least first fixed orifices have all been seted up to the bottom of first recess inner wall lie in between two first recesses at least two second fixed orifices have been seted up on the top of loading board, the top slidable mounting of loading board has the base, the equal fixed mounting of two side tip of base has the connecting plate, every the top of connecting plate is all rotated and is installed the threaded rod, every the bottom of threaded rod all is connected with the second fixed orifices, lies in the connecting plate both sides two side tip of base are equal fixed mounting has two L type fixed plates.

As a preferable technical scheme of the utility model, the side end part of each L-shaped fixing plate is provided with a second groove, and the top end of each L-shaped fixing plate is slidably provided with a positioning rod.

As a preferable technical scheme of the utility model, the top end of each positioning rod is fixedly provided with a fixed ring, the bottom end of each fixed ring is fixedly provided with a spring block, and the tail end of each spring block is connected with an L-shaped fixed plate.

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

1. through relieving the extrusion on solid fixed ring top, under the effort of spring piece, the spring piece upwards resets, gu the top of spring piece promotes solid fixed ring and upwards moves on the top of L type fixed plate, gu fixed ring drives the locating lever and upwards slides on the top of L type fixed plate, let the bottom of locating lever leave the inside of first fixed orifices, through exerting the effort to base one side, promote the base and slide on the top of loading board, let the slide rail of base bottom slide along the inboard of first recess, guarantee the stability that the base removed through first recess, slide on the top of loading board through the base, can adjust the use position of robot arm according to the demand in the use, increase the convenience of use.

2. Through continuing to press the top of solid fixed ring, let gu fixed ring move the dead lever on top stop in one side of second recess, at this moment through rotating gu fixed ring, let gu fixed ring drive the one end of dead lever and remove the below of second recess, at this moment under the effort of spring piece, the spring piece promotes gu fixed ring and reciprocates, gu fixed ring drives the inside that the dead lever got into the second recess simultaneously, limit gu fixed ring in the top of L type fixed plate through the second recess, through threaded rod and locating lever both ends fixing device, increase the stability of base in the time of being convenient for operate.

Drawings

FIG. 1 is a schematic view of a robot arm body according to the present utility model;

FIG. 2 is a schematic view of a carrier plate according to the present utility model;

FIG. 3 is a schematic view of the structure of the base of the present utility model;

fig. 4 is a schematic structural view of an L-shaped fixing plate according to the present utility model.

Wherein: 1. a carrying plate; 11. a base; 12. a first fixing hole; 13. a first groove; 14. a second fixing hole; 15. an L-shaped fixing plate; 16. a connecting plate; 17. a threaded rod; 18. a second groove; 19. a positioning rod; 21. a spring block; 22. and a fixing ring.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

In the embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a robot arm comprises a bearing plate 1, two first grooves 13 are formed in the top end of the bearing plate 1, at least two first fixing holes 12 are formed in the bottom end of the inner wall of each first groove 13, at least two second fixing holes 14 are formed in the top end of the bearing plate 1 between the two first grooves 13, a base 11 is slidably mounted in the top end of the bearing plate 1, connecting plates 16 are fixedly mounted at two side end portions of the base 11, a threaded rod 17 is rotatably mounted at the top end of each connecting plate 16, the threaded rod 17 is rotated to enable the threaded rod 17 to rotate at the top end of the connecting plate 16, a threaded groove formed in the circumferential surface of the threaded rod 17 is matched with a threaded opening formed in the bottom end of the connecting plate 16, the threaded rod 17 is rotated to enable the threaded rod 17 to move upwards along the inside of the threaded groove, the bottom end of the threaded rod 17 is disconnected with the second fixing holes 14, a downward acting force is applied to the fixing ring 22 through downward pressing the top end of the fixing ring 22, the fixing ring 22 extrudes the top end of a spring block 21, meanwhile, the bottom end of the spring block 21 is fixedly connected with the bottom end portions 15 of the L-shaped plate 15, and the two side end portions of each connecting plate 15 are fixedly connected with the two side end portions of the L-shaped connecting plates 11.

The second grooves 18 are formed in the side end portions of the L-shaped fixing plates 15, the locating rods 19 are slidably mounted on the top ends of the L-shaped fixing plates 15, the fixing rings 22 are fixedly mounted on the top ends of the locating rods 19, the fixing rings 22 push the locating rods 19 to slide downwards on the top ends of the L-shaped fixing plates 15 through downwards pressing the top ends of the fixing rings 22, the tail ends of the locating rods 19 are inserted into the first fixing holes 12, meanwhile, the bottom ends of the fixing rings 22 squeeze the top ends of the spring blocks 21, and due to the fact that one ends of the spring blocks 21 are fixed on the top ends of the L-shaped fixing plates 15, the fixing rings 22 move downwards, the size of the spring blocks 21 is reduced, elastic potential energy of the spring blocks 21 is increased, the fixing rods on the top ends of the fixing rings 22 are enabled to stay on one side of the second grooves 18 through continuously pressing the top ends of the fixing rings 22, the spring blocks 21 are fixedly mounted on the bottom ends of the fixing rings 22, and the tail ends of the spring blocks 21 are connected with the L-shaped fixing plates 15.

Working principle:

in the first step, the threaded rod 17 is rotated during use, the threaded rod 17 is rotated at the top end of the connecting plate 16, the threaded groove on the circumferential surface of the threaded rod 17 is matched with the threaded opening formed at the bottom end of the connecting plate 16, the threaded rod 17 is rotated, the threaded rod 17 moves upwards along the inside of the threaded groove, the bottom end of the threaded rod 17 is disconnected with the second fixing hole 14, the top end of the fixing ring 22 is pressed downwards, a downward acting force is applied to the fixing ring 22, the fixing ring 22 presses the top end of the spring block 21, meanwhile, the bottom end of the spring block 21 is connected with the L-shaped fixing plate 15, the spring block 21 is contracted at the top end of the L-shaped fixing plate 15 by pressing and moving the fixing ring 22 to one side of the L-shaped fixing plate 15, the fixing rod at the top end of the fixing ring 22 leaves the inside of the second groove 18, and the fixing ring 22 is rotated, the fixed ring 22 rotates at the top end of the positioning rod 19, the fixed ring 22 drives the fixed rod to leave one side of the second groove 18, then the extrusion of the top end of the fixed ring 22 is released, under the action force of the spring block 21, the spring block 21 is reset upwards, the top end of the spring block 21 pushes the fixed ring 22 to move upwards at the top end of the L-shaped fixed plate 15, the fixed ring 22 drives the positioning rod 19 to slide upwards at the top end of the L-shaped fixed plate 15, the bottom end of the positioning rod 19 leaves the inside of the first fixed hole 12, the base 11 is pushed to slide at the top end of the bearing plate 1 by applying the action force to one side of the base 11, the sliding rail at the bottom end of the base 11 slides along the inner side of the first groove 13, the stability of the movement of the base 11 is ensured by the first groove 13, the base 11 slides at the top end of the bearing plate 1, and the use position of the robot arm can be adjusted according to requirements in the use process, the convenience of use is increased.

Secondly, the position of the robot arm is adjusted by pushing the base 11 to slide on the top end of the bearing plate 1, when the base 11 moves to a proper position, the surface of the threaded rod 17 rotates inside the threaded opening at the top end of the connecting plate 16 by rotating the threaded rod 17, the surface of the threaded rod 17 is engaged with the inner wall of the threaded opening, when the threaded rod 17 is rotated, the threaded rod 17 moves downwards into the second fixing hole 14 at the top end of the connecting plate 16, the base 11 is fastened on the top end of the bearing plate 1, the fixing ring 22 pushes the positioning rod 19 to slide downwards at the top end of the L-shaped fixing plate 15 by pressing downwards the top end of the fixing ring 22, the tail end of the positioning rod 19 is inserted into the first fixing hole 12, simultaneously, the bottom end of the fixing ring 22 presses the top end of the spring block 21, because the one end of spring piece 21 is fixed on the top of L type fixed plate 15, solid fixed ring 22 moves down, let the volume of spring piece 21 reduce, increase the elastic potential energy of spring piece 21, through continuing to press the top of solid fixed ring 22, let solid fixed ring 22 drive the dead lever on top stay in one side of second recess 18, at this moment through rotating solid fixed ring 22, let solid fixed ring 22 drive the one end of dead lever move to the below of second recess 18, at this moment under the effort of spring piece 21, gu fixed ring 22 upwards move is promoted to the solid fixed ring 21, gu fixed ring 22 drives the dead lever simultaneously and gets into the inside of second recess 18, restrict solid fixed ring 22 at the top of L type fixed plate 15 through second recess 18, through threaded rod 17 and locating lever 19 both ends fixing device, increase the stability of base 11 when being convenient for the operation.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a robot arm, includes loading board (1), its characterized in that, two first recess (13) have been seted up on the top of loading board (1), every at least two first fixed orifices (12) have all been seted up to the bottom of first recess (13) inner wall, are located between two first recess (13) at least two second fixed orifices (14) have been seted up on the top of loading board (1), the top slidable mounting of loading board (1) has base (11), the equal fixed mounting of both sides tip of base (11) has connecting plate (16), every the top of connecting plate (16) is all rotated and is installed threaded rod (17), every the bottom of threaded rod (17) all is connected with second fixed orifices (14), is located connecting plate (16) both sides two side tip equal fixed mounting of base (11) have two L type fixed plates (15).

2. A robotic arm as claimed in claim 1, characterized in that the side ends of each of the L-shaped fixing plates (15) are provided with a second recess (18).

3. A robotic arm as claimed in claim 1, wherein the top end of each L-shaped fixing plate (15) is slidably fitted with a positioning rod (19).

4. A robotic arm as claimed in claim 3, characterized in that a securing ring (22) is fixedly mounted to the top end of each of the positioning rods (19).

5. A robot arm according to claim 4, characterized in that the bottom end of each of the fixing rings (22) is fixedly provided with a spring block (21), and the end of each spring block (21) is connected with an L-shaped fixing plate (15).