CN211104075U

CN211104075U - Detachable robot arm

Info

Publication number: CN211104075U
Application number: CN201922240123.3U
Authority: CN
Inventors: 杨秋华
Original assignee: Nanchang Hongqiang Precision Machinery Co ltd
Current assignee: Nanchang Hongqiang Precision Machinery Co ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-07-28
Anticipated expiration: 2029-12-14

Abstract

The utility model provides a detachable robot arm, which belongs to the technical field of robots and comprises a base, an upper mechanical arm, a lower mechanical arm, a connecting arm, a mechanical arm base, a fixed ring fixedly connected in the middle of the top of the base, a groove fixedly embedded in the top of the fixed ring, a clamping groove fixedly embedded in the middle of the outer part of the fixed ring, a rubber ring fixedly connected to the top of the lower mechanical arm, and a clamping block fixedly connected to the inner side of the rubber ring, wherein the robot arm is connected with a rotating shaft A through a connecting sheet, the upper mechanical arm is movably connected with the top of the lower mechanical arm, the connecting arm is connected with the top of the upper mechanical arm through the connection of a sliding block and a sliding groove, the detachable connection facilitates the maintenance and replacement of the robot arm, the robot arm is connected with the top of another connecting arm through the bottom of the connecting arm, and, the mechanical hand is favorable for grabbing objects with different shapes and sizes.

Description

Detachable robot arm

Technical Field

The utility model relates to a robotechnology field, more specifically relates to a detachable robot arm.

Background

Along with scientific and technological development, the robot is being made and used by a large amount, and the robot replaces the manual work gradually and is used for a large amount of production water lines, and the robot generally snatchs through robotic arm, realizes the inspection and the installation etc. of thing, and current robotic arm is mostly fixed connection setting, and it is inconvenient to maintain, change, and robotic arm's length can not connect the combination according to the demand, and the shape, the size that the thing was snatched to the machine are mostly fixed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the prior robot arms are mostly fixedly connected and are inconvenient to maintain and replace, the length of the robot arms can not be connected and combined according to requirements, the shapes and sizes of objects grabbed by the robot are mostly fixed, and a detachable robot arm is provided, which is connected with the top of a lower mechanical arm through a connecting sheet and a rotating shaft A, the connecting arm is connected with the top of the upper mechanical arm through the connection of a slide block and a chute, the detachable connection is convenient to maintain and replace the robot arm, the bottom of the connecting arm is connected with the top of another connecting arm, the two connecting arms are stably connected, the length of the mechanical arm is increased, a user can more easily combine the connecting arms at will, and the connecting block is driven by the rotating shaft B to drive a mechanical arm claw to rotate in a shape, the robot arm grabbing device is beneficial to grabbing objects with different shapes and sizes by a manipulator, and the application range of the robot arm is widened.

In order to achieve the above object, the utility model provides a following technical scheme: a detachable robot arm comprises a base, an upper mechanical arm, a lower mechanical arm, a connecting arm and a mechanical arm base, wherein a fixed ring is fixedly connected to the middle of the top of the base, a groove is fixedly embedded in the top of the fixed ring, a clamping groove is fixedly embedded in the middle of the outer portion of the fixed ring, a rubber ring is fixedly connected to the top of the lower mechanical arm, a clamping block is fixedly connected to the inner side of the rubber ring, a convex block is fixedly connected to the bottom of the lower mechanical arm, a rotating shaft A is fixedly connected to the top of the lower mechanical arm, a connecting ring is fixedly connected to the top of the upper mechanical arm, a sliding groove is fixedly embedded in the inner side of the connecting ring, a connecting groove is fixedly arranged at the top of the upper mechanical arm, a connecting piece is fixedly connected to the bottom of the upper mechanical arm, a sliding, flexible capital portion fixedly connected with pivot B, the outside swing joint of pivot B has the connecting block, connecting block one end swing joint has robotic arm, robotic arm end fixedly connected with mechanical gripper.

Further preferred scheme: the fixed embedded fixed slot that has in connection ring top, just the fixed slot is the through setting, and the fixed slot divide into two parts, and the upper portion diameter is greater than the lower part diameter.

Further preferred scheme: the upper mechanical arm and the lower mechanical arm are movably connected with the rotating shaft A through connecting pieces, and the upper mechanical arm and the lower mechanical arm are the same in height.

Further preferred scheme: the rubber ring is made of elastic rubber materials, and the diameter of the inner side of the rubber ring is equal to the outer diameter of the fixing ring in a normal state.

in a further preferable scheme, the number of the grooves is four, the grooves are evenly distributed on the inner side of the fixing ring at equal intervals, and the shape and the size of the grooves are the same as those of the convex blocks.

Further preferred scheme: the mechanical gripper is four in number, the mechanical grippers are evenly distributed on the mechanical arms at equal intervals, and the inner sides of the mechanical grippers are uneven.

Further preferred scheme: the connecting arm is divided into an upper part and a lower part, the upper half part is completely the same as the upper mechanical arm, and the bottom of the lower half part is matched with the connecting groove.

The utility model provides a detachable robot arm has following beneficial effect:

1. The utility model discloses a connection piece and pivot A's is connected, will go up arm swing joint and lower arm top, make the arm more nimble, the practicality of lifting arm is connected the linking arm in last arm top through being connected of slider and spout, and detachable connection is convenient to be maintained, is changed robot arm.

2. The utility model discloses the advantage lies in linking to each other with another linking arm top through linking arm bottom, stabilizes two linking arms and connects, increases the length of arm, and the user can have more the practicality that needs make up at will, connect the arm that has promoted the robot arm to the linking arm.

3. At last, the height of the mechanical gripper is changed through the telescopic column, the grabbing height of the mechanical gripper is better adjusted, the rotating shaft B drives the connecting block and then drives the mechanical gripper to rotate in a shape, the mechanical gripper is favorable for grabbing objects with different shapes and sizes, and the application range of the robot arm is widened.

Drawings

Fig. 1 is a schematic view of the connection between the upper mechanical arm and the lower mechanical arm of the present invention.

Fig. 2 is a schematic view of the upside-down connection between the upper arm and the lower arm of the present invention.

Fig. 3 is a schematic structural view of the mechanical gripper of the present invention.

Fig. 4 is a schematic view of the connecting arm structure of the present invention.

Fig. 5 is a schematic view of the base structure of the present invention.

In FIGS. 1-5: 1. a base; 2. a stationary ring; 201. a card slot; 202. a groove; 3. a connecting ring; 301. a chute; 302. fixing grooves; 303. connecting grooves; 4. an upper mechanical arm; 5. a rotating shaft A; 6. connecting sheets; 7. a rubber ring; 701. a clamping block; 8. a lower mechanical arm; 801. a bump; 9. a connecting arm; 901. a slider; 902. fixing a column; 10. a manipulator base; 11. a telescopic column; 12. a rotating shaft B; 13. connecting blocks; 14. a robot arm; 15. mechanical paw

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 5 of 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.

Please refer to fig. 1 to 5:

The embodiment provides a further preferable scheme of a detachable robot arm, which comprises a base 1, an upper mechanical arm 4, a lower mechanical arm 8, a connecting arm 9, a mechanical arm base 10, a fixing ring 2 fixedly connected to the middle of the top of the base 1, a groove 202 fixedly embedded in the top of the fixing ring 2, a clamping groove 201 fixedly embedded in the middle of the outside of the fixing ring 2, a rubber ring 7 fixedly connected to the top of the lower mechanical arm 8, a clamping block 701 fixedly connected to the inner side of the rubber ring 7, a convex block 801 fixedly connected to the bottom of the lower mechanical arm 8, a rotating shaft A5 fixedly connected to the top of the lower mechanical arm 8, a connecting ring 3 fixedly connected to the top of the upper mechanical arm 4, a sliding groove 301 fixedly embedded in the inner side of the connecting ring 3, a connecting groove 303 fixedly arranged on the top of the upper mechanical arm 4, a connecting sheet 6 fixedly connected to the bottom of the upper, the top fixedly connected with flexible post 11 of manipulator base 10, flexible post 11 top fixedly connected with pivot B12, the outside swing joint of pivot B12 has connecting block 13, connecting block 13 one end swing joint has robotic arm 14, the terminal fixedly connected with gripper 15 of robotic arm 14.

Further, connect the fixed embedded fixed slot 302 that has in 3 tops of circle, and fixed slot 302 is the through setting, and fixed slot 302 divide into two parts, and the upper portion diameter is greater than the lower part diameter, is connected through the bottom with fixed slot 302 and the bottom of fixed column 902, promotes the stability that linking arm 9 connects, avoids linking arm 9 to break away from in the use.

Furthermore, an upper mechanical arm 4 and a lower mechanical arm 8 are movably connected through a connecting piece 6 and a rotating shaft A5, the upper mechanical arm 4 and the lower mechanical arm 8 are the same in height, and the upper mechanical arm 4 is movably connected with the top of the lower mechanical arm 8 through the connection of the connecting piece 6 and the rotating shaft A5, so that the mechanical arms are more flexible, and the practicability of the mechanical arms is improved.

Further, rubber ring 7 has elastic rubber material to make, and the inboard diameter of rubber ring 7 is equal to retainer plate 2 outside diameter under normal condition, is connected fixture block 701 and draw-in groove 201 through being connected the tensile back of rubber ring 7, has consolidated the connection of lower arm 8 and retainer plate 2.

further, the grooves 202 are L-shaped, four in total, and are uniformly distributed on the inner side of the fixing ring 2 at equal intervals, and the grooves 202 are identical in shape and size to the bumps 801, so that the lower mechanical arm 8 is clamped in the fixing ring 2 by connecting the bumps 901 and the grooves 202 and rotating the lower mechanical arm 8 clockwise to clamp the lower mechanical arm 8 in the fixing ring 2, and the connection between the lower mechanical arm and the fixing ring is tighter.

Further, gripper 15 is total four, equidistant, evenly distributed on each robotic arm 14, and gripper 15 inboard unevenness is favorable to gripper 15 to snatch different shapes, the not things of equidimension, promotes robot arm's application range, avoids the thing to snatch the in-process landing simultaneously.

Further, linking arm 9 divide into upper and lower two parts, and the first half is the same with last arm 4 completely, and the latter half bottom agrees with mutually with spread groove 303, links to each other with another 9 tops of linking arm through 9 bottoms of linking arm, stabilizes two linking arms 9 and connects, increases the length of arm, and the user can have more and need make up, connect the practicality that has promoted robot arm to linking arm 9 at will.

The working principle is as follows: the utility model relates to a detachable robot arm, which is connected with a robot, firstly, a base 1 is connected with the robot, a lower mechanical arm 8 is arranged on a fixed ring 2 through the connection of a convex block 801 and a groove 202, the lower mechanical arm 8 is locked in the fixed ring 2 through clockwise rotation of the lower mechanical arm 8, so that the connection of the lower mechanical arm 8 and the fixed ring 2 is tighter, a clamping block 701 is connected with a clamping groove 201 through stretching a rubber ring 7, the clamping block 701 is rotated into the clamping groove 201 through clockwise rotation of the rubber ring 7, the connection between the lower mechanical arm 8 and the fixed ring 2 is further strengthened, secondly, the upper mechanical arm 4 is movably connected with the top of the lower mechanical arm 8 through the connection between a connecting sheet 6 and a rotating shaft A5, so that the mechanical arm is more flexible, the practicability of the mechanical arm is improved, a connecting arm 9 is connected with the top of the upper mechanical arm 4 through the connection between a sliding block 901 and a sliding, the connecting arms 9 are further fixed, the bottom of the fixing groove 302 is connected with the bottom of the fixing column 902, the connection stability of the connecting arms 9 is improved, the connecting arms 9 are prevented from being separated in the using process, then the connecting arms 9 are connected with the top of another connecting arm 9 through the bottom of the connecting arm 9, the two connecting arms 9 are stably connected, the length of the mechanical arm is increased, a user can combine the connecting arms 9 at will and connect the connecting arms to improve the practicability of the robot arm, the top of the upper mechanical arm 4 can rotate to further change the direction of the mechanical arm, the robot arm can conveniently grab objects in all directions, finally the mechanical arm base 10 is connected with the connecting arms 9 or the upper mechanical arm 4 to realize the grabbing of the robot arm, the height of the mechanical claw 15 is changed through the telescopic column 11, and the grabbing height of the mechanical claw 15 is better adjusted, drive connecting block 13 and then drive mechanical gripper 15 through pivot B12 and advance the shape and rotate, be favorable to mechanical gripper 15 to snatch different shapes, the thing of equidimension not, promote robot arm's application range, pivot A5, pivot B12, go up mechanical arm 4, the required energy of flexible post 11 is provided by external power source.

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. A detachable robot arm comprises a base (1), an upper mechanical arm (4), a lower mechanical arm (8), a connecting arm (9) and a mechanical arm base (10), and is characterized in that a fixing ring (2) is fixedly connected to the middle of the top of the base (1), a groove (202) is fixedly embedded in the top of the fixing ring (2), a clamping groove (201) is fixedly embedded in the middle of the outer portion of the fixing ring (2), a rubber ring (7) is fixedly connected to the top of the lower mechanical arm (8), a clamping block (701) is fixedly connected to the inner side of the rubber ring (7), a convex block (801) is fixedly connected to the bottom of the lower mechanical arm (8), a rotating shaft A (5) is fixedly connected to the top of the lower mechanical arm (8), a connecting ring (3) is fixedly connected to the top of the upper mechanical arm (4), a sliding groove (301), the upper mechanical arm (4) is fixedly provided with a connecting groove (303) at the top, the upper mechanical arm (4) is fixedly connected with a connecting sheet (6) at the bottom, the connecting arm (9) is fixedly connected with a slider (901) with a mechanical arm base (10), the connecting arm (9) is fixedly connected with a fixing column (902) with the mechanical arm base (10), the mechanical arm base (10) is fixedly connected with a telescopic column (11) at the top, the telescopic column (11) is fixedly connected with a rotating shaft B (12) at the top, the rotating shaft B (12) is movably connected with a connecting block (13) at the outside, one end of the connecting block (13) is movably connected with a mechanical arm (14), and the mechanical arm (14) is fixedly connected with.

2. A detachable robot arm according to claim 1, characterized in that: fixed embedded fixed slot (302) in connecting ring (3) top, just fixed slot (302) are the through setting, and fixed slot (302) divide into two parts, and the upper portion diameter is greater than the lower part diameter.

3. A detachable robot arm according to claim 1, characterized in that: the upper mechanical arm (4) and the lower mechanical arm (8) are movably connected with a rotating shaft A (5) through a connecting piece (6), and the upper mechanical arm (4) and the lower mechanical arm (8) are the same in height.

4. A detachable robot arm according to claim 1, characterized in that: the rubber ring (7) is made of elastic rubber materials, and the diameter of the inner side of the rubber ring (7) is equal to the diameter of the outer part of the fixing ring (2) in a normal state.

5. the detachable robot arm as claimed in claim 1, wherein the number of the grooves (202) is four, the grooves are L-shaped, the grooves are evenly distributed on the inner side of the fixing ring (2) at equal intervals, and the shape and size of the grooves (202) are the same as those of the bumps (801).

6. A detachable robot arm according to claim 1, characterized in that: the number of the mechanical gripper claws (15) is four, the mechanical gripper claws are evenly distributed on each mechanical arm (14) at equal intervals, and the inner sides of the mechanical gripper claws (15) are uneven.

7. A detachable robot arm according to claim 1, characterized in that: the connecting arm (9) is divided into an upper part and a lower part, the upper half part is completely the same as the upper mechanical arm (4), and the bottom of the lower half part is matched with the connecting groove (303).