CN211682127U

CN211682127U - Novel robotic arm for robot

Info

Publication number: CN211682127U
Application number: CN201922304808.XU
Authority: CN
Inventors: 于春彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-16
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a novel robotic arm for robot relates to robotic arm technical field, specifically is a novel robotic arm for robot, including the support arm, the top movable mounting of support arm has the movable rod, and the outside fixed cover of movable rod has connect driven gear, the right side fixed mounting of support arm has driving motor, and fixed the cup jointing on driving motor's the output shaft has drive gear. This novel robotic arm for robot drives adjusting screw through servo motor and rotates, because adjusting screw's both ends are seted up each other and are opposite screw thread, thereby when adjusting screw rotates, drive two sliders and move to inside or outside simultaneously, the clamping bar that drives two slider bottoms carries out the centre gripping to the work piece, through adjusting the distance between two sliders, can carry out the centre gripping to different work pieces, in addition, the antiskid line of equipartition has been seted up in the outside of clamping bar, the stability of centre gripping has further been guaranteed.

Description

Novel robotic arm for robot

Technical Field

The utility model relates to a robotic arm technical field specifically is a novel robotic arm for robot.

Background

The mechanical arm is an automatic mechanical device which is widely applied in the technical field of robots at present, can see the figure of the robot in the fields of industrial manufacturing, medical treatment, entertainment service, military, semiconductor manufacturing, space exploration and the like, and has the common characteristic of receiving instructions and accurately positioning to a certain point on a three-dimensional or two-dimensional space for operation although the shapes of the mechanical arm are different.

For manufacturing applications, a common robot arm is used to transport workpieces, in the process of manufacturing workpieces, the workpieces are generally transported from one workstation to another workstation by using a transport system, or transported from a container to each workstation, or transported from a workstation to a container for storage, the existing robot arm chuck can only clamp workpieces with fixed sizes, the clamping effect on workpieces with other sizes is not good, meanwhile, the existing robot arm can only clamp workpieces along a fixed direction, and the application range is small.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel robotic arm for robot has advantages such as increase application range, improve the centre gripping effect, improve stability, has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

For the purpose of increasing application range, improving the centre gripping effect, improving stability more than realizing, the utility model discloses a following technical scheme realizes: a novel mechanical arm for a robot comprises a support arm, wherein a movable rod is movably mounted at the top of the support arm, a driven gear is fixedly sleeved outside the movable rod, a driving motor is fixedly mounted at the right side of the support arm, a driving gear is fixedly sleeved on an output shaft of the driving motor, a fixed cross beam is fixedly mounted at the top end of the movable rod, a driving block is clamped inside the fixed cross beam, a driving screw is sleeved on the middle thread of the driving block, a motor is fixedly mounted at the left side of the fixed cross beam, the output shaft of the motor is fixedly connected with the driving screw, a connecting frame is fixedly mounted at the bottom end of the output shaft of an electric telescopic rod, a fixed block is fixedly mounted at the middle part of the inner side of the connecting frame, an adjusting screw is sleeved at the middle part of the fixed block in a movable manner, two sliders are sleeved on threads at two, and a servo motor is fixedly arranged at one end of the adjusting screw rod.

Preferably, the top of the driven gear is on the same horizontal plane as the top of the driving gear, and the outer edge of the driving gear is meshed with the driven gear, and the diameter value of the driven gear is three times that of the driving gear.

Preferably, the fixed cross beam is internally provided with a sliding chute matched with the driving block, and the middle part of the driving block is provided with a threaded hole matched with the driving screw rod.

Preferably, a compression spring positioned on the right side of the driving block is movably sleeved outside the driving screw, and the diameter value of the compression spring is larger than that of the driving screw.

Preferably, the slider mirror image distributes in the both sides of fixed block, two the equal fixed mounting in bottom of slider has two clamping bars, and evenly distributed's anti-skidding line is seted up to the outside of clamping bar.

Preferably, the adjusting screw is provided with threads which are arranged on two sides of the fixed block in a mirror image manner and are opposite to each other, and the servo motor at the top end of the adjusting screw is fixedly connected with the connecting frame.

(III) advantageous effects

The utility model provides a novel robotic arm for robot possesses following beneficial effect:

1. this novel robotic arm for robot, it rotates to drive adjusting screw through servo motor, because adjusting screw's both ends are seted up each other and are opposite screw thread, thereby when adjusting screw rotates, drive two sliders and move to inside or outside simultaneously, the clamping bar that drives two slider bottoms carries out the centre gripping to the work piece, through adjusting the distance between two sliders, can carry out the centre gripping to different work pieces, in addition, the antiskid line of equipartition is seted up in the outside of clamping bar, the stability of centre gripping has further been guaranteed, the effect of centre gripping has been improved.

2. This novel robotic arm for robot, it rotates to drive screw through the motor, and then control the electric telescopic handle who drives drive block and drive block bottom, drive gear and then drive gear and rotate along meshed driven gear outward through driving motor, thereby drive the movable rod and rotate, change fixed cross beam's angle, can realize shifting the work piece to peripheral each position through two adjusting device, the application range of the device has been improved, in addition, cup jointing compression spring in drive screw's outside activity, through compression spring roof pressure drive block, reduce the influence of drive screw and drive block fit clearance to drive block stability, the device's stability has further been improved.

Drawings

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

FIG. 2 is a schematic structural view of the inside of the fixed beam of the present invention;

fig. 3 is a schematic structural diagram of the inside of the connecting frame of the present invention.

In the figure: 1. a support arm; 2. a movable rod; 3. a driven gear; 4. a drive motor; 5. a drive gear; 6. fixing the cross beam; 7. an electric motor; 8. an electric telescopic rod; 9. a connecting frame; 10. a clamping bar; 11. adjusting the screw rod; 12. a servo motor; 13. a slider; 14. a drive screw; 15. a drive block; 16. compressing the spring.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a novel mechanical arm for a robot comprises a supporting arm 1, a movable rod 2 is movably mounted at the top of the supporting arm 1, a driven gear 3 is fixedly sleeved outside the movable rod 2, a driving motor 4 is fixedly mounted on the right side of the supporting arm 1, a driving gear 5 is fixedly sleeved on an output shaft of the driving motor 4, the top of the driven gear 3 and the top of the driving gear 5 are positioned on the same horizontal plane, the outer edge of the driving gear 5 is meshed with the driven gear 3, the diameter value of the driven gear 3 is three times of that of the driving gear 5, the driving gear 5 is driven to rotate through the driving motor 4, the driven gear 3 meshed with the outer edge of the driving gear 5 is driven to rotate, the movable rod 2 fixedly connected with the driven gear 3 is driven to rotate, the angle of a fixed cross beam 6 at the top of the movable rod 2 is changed, and the transmission range, meanwhile, the diameter value of the driven gear 3 is three times of that of the driving gear 5, the rotating speed of the driven gear 3 is reduced, the stability of the device during movement is further improved, the probability of safety accidents caused by shaking during the operation of the device is reduced, a fixed cross beam 6 is fixedly installed at the top end of the movable rod 2, a driving block 15 is clamped inside the fixed cross beam 6, a driving screw 14 is sleeved on the middle thread of the driving block 15, a motor 7 is fixedly installed on the left side of the fixed cross beam 6, an output shaft of the motor 7 is fixedly connected with the driving screw 14, a sliding chute matched with the driving block 15 is formed inside the fixed cross beam 6, a threaded hole matched with the driving screw 14 is formed in the middle of the driving block 15, the driving screw 14 is driven by the motor 7 to rotate, the driving block 15 is driven to move left and right, the left and right positions of workpieces are changed, and the transmission range of the workpieces is, the practicability of the device is further improved, a compression spring 16 positioned on the right side of a driving block 15 is movably sleeved outside a driving screw 14, the diameter value of the compression spring 16 is larger than that of the driving screw 14, the compression spring 16 is movably sleeved outside the driving screw 14, and the compression spring 16 has elastic potential energy, so that the compression spring 16 always presses the driving block 15, the influence of the thread fit clearance between the driving screw 14 and the driving block 15 on the stability of the driving block 15 is reduced, the stability of the driving block 15 is improved, the stability of a workpiece during the working of the device is improved, a connecting frame 9 is fixedly installed at the bottom end of an output shaft of an electric telescopic rod 8, a fixed block is fixedly installed in the middle of the inner side of the connecting frame 9, an adjusting screw 11 is movably sleeved in the middle of the fixed block, two sliders 13 are sleeved on threads at two ends of the adjusting screw 11, and a clamping rod 10 is fixedly installed at, one end of the adjusting screw 11 is fixedly provided with a servo motor 12, the sliding blocks 13 are arranged on two sides of the fixed block in a mirror image manner, two clamping rods 10 are fixedly arranged at the bottoms of the two sliding blocks 13, the outer parts of the clamping rods 10 are provided with anti-slip patterns which are uniformly distributed, four clamping rods 10 are fixedly arranged at the bottoms of the two sliding blocks 13, so that the clamping device can clamp rectangular and round workpieces, the clamping range is increased, the outer parts of the clamping rods 10 are provided with anti-slip patterns which are uniformly distributed, the clamping stability is further ensured, the outer parts of the adjusting screw 11 are provided with threads which are arranged on two sides of the fixed block in a mirror image manner and are opposite to each other, the servo motor 12 at the top end of the adjusting screw 11 is fixedly connected with the connecting frame 9, the adjusting screw 11 is driven by the servo motor 12 to rotate, the sliding blocks 13 on two sides are driven to move inwards, carry out the centre gripping to the work piece, through adjusting the distance between two sliders 13, can carry out the centre gripping to different work pieces, further increased the device's centre gripping scope, mutual opposite screw thread has been seted up to adjusting screw 11 outside simultaneously, can drive two sliders 13 and remove simultaneously when guaranteeing adjusting screw 11 to rotate, has further guaranteed this clamping device's validity.

In conclusion, when the novel mechanical arm for the robot is used, the servo motor 12 drives the adjusting screw rod 11 to rotate, the two sliding blocks 13 are driven to simultaneously move towards the outer part of the inner part and the outer part of the inner part, the clamping rods 10 at the bottoms of the sliding blocks 13 are driven to move, a workpiece is clamped, the connecting frame 9 is driven to move up and down through the electric telescopic rod 8, the height of the workpiece is controlled, the driving motor 4 drives the driving gear 5 on the output shaft to rotate, the driven gear 3 and the movable rod 2 fixedly connected with the driven gear 3 are driven to rotate, the angle of the fixed cross beam 6 is changed, the motor 7 drives the driving screw rod 14 to rotate, the driving block 15 is driven to move left and right, the left and right positions of the workpiece are changed, the workpiece can be moved to any position in the peripheral range through the adjusting devices, the compression spring 16 outside the driving screw, the influence of the thread fit clearance between the driving screw 14 and the driving block 15 on the stability of the driving block 15 is reduced, and the clamping transmission workpiece is recovered.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel robotic arm for robot, includes support arm (1), its characterized in that: the top movable mounting of support arm (1) has movable rod (2), and the fixed cover in outside of movable rod (2) has connect driven gear (3), the right side fixed mounting of support arm (1) has driving motor (4), and fixed cover on the output shaft of driving motor (4) has connect drive gear (5), the top fixed mounting of movable rod (2) has fixed cross beam (6), and the inside joint of fixed cross beam (6) has drive block (15), the middle part screw thread of drive block (15) has cup jointed drive screw (14), the left side fixed mounting of fixed cross beam (6) has motor (7), and the output shaft and the drive screw (14) fixed connection of motor (7), and fixed cross beam (6) one end bottom is connected with electric telescopic handle (8), the output shaft bottom fixed mounting of electric telescopic handle (8) has link (9), and the middle part fixed mounting of link (9) inboard has the fixed block, adjusting screw (11) have been cup jointed in the middle part activity of fixed block, and two sliders (13), two have been cup jointed to the both ends screw thread of adjusting screw (11) the bottom fixed mounting of slider (13) has clamping bar (10), the one end fixed mounting of adjusting screw (11) has servo motor (12).

2. The robot arm according to claim 1, wherein: the top of driven gear (3) and the top of drive gear (5) are in same horizontal plane, and the outer edge of drive gear (5) and driven gear (3) intermeshing, the diameter value of driven gear (3) is three times of drive gear (5) diameter value.

3. The robot arm according to claim 1, wherein: the fixed cross beam (6) is internally provided with a sliding chute matched with the driving block (15), and the middle part of the driving block (15) is provided with a threaded hole matched with the driving screw rod (14).

4. The robot arm according to claim 1, wherein: the external part of the driving screw rod (14) is movably sleeved with a compression spring (16) positioned on the right side of the driving block (15), and the diameter value of the compression spring (16) is larger than that of the driving screw rod (14).

5. The robot arm according to claim 1, wherein: slider (13) mirror image distribution is in the both sides of fixed block, two the equal fixed mounting in bottom of slider (13) has two clamping bars (10), and evenly distributed's anti-skidding line is seted up to the outside of clamping bar (10).

6. The robot arm according to claim 1, wherein: the adjusting screw rod (11) is provided with threads which are arranged on two sides of the fixed block in a mirror image mode and are opposite to each other, and the servo motor (12) at the top end of the adjusting screw rod (11) is fixedly connected with the connecting frame (9).