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CN-224223950-U - Industrial robot output shaft shock-absorbing structure

CN224223950UCN 224223950 UCN224223950 UCN 224223950UCN-224223950-U

Abstract

The utility model discloses an output shaft damping structure of an industrial robot, which comprises an output shaft A, an output shaft B, a middle adjustable damping part, a steering part and an A shaft damping part, wherein the output shaft A and the output shaft B are connected through the middle adjustable damping part, a distance sensing part is further arranged on the contact surface of the output shaft A and the middle adjustable damping part, the middle adjustable damping part comprises a group of connecting plates, a plurality of adjustable damping components and a telescopic dustproof baffle, two ends of the adjustable damping components are respectively connected with the output shaft A and the output shaft B through the connecting plates, the telescopic dustproof baffle wraps the plurality of adjustable damping components, the steering part is respectively arranged at one end of the output shaft A and one end of the output shaft B, which is far away from the middle adjustable damping part, and the A shaft damping part is arranged at one end of the steering part, which is close to the output shaft A. The damping structure of the output shaft of the industrial robot reduces axial floating errors while damping, and prolongs the service life of equipment.

Inventors

  • Hua Zumin
  • YANG ZHIQIANG

Assignees

  • 苏州新羽吉精密机械有限公司

Dates

Publication Date
20260512
Application Date
20250606

Claims (7)

  1. 1. The damping structure for the output shaft of the industrial robot is characterized by comprising the following components: The device comprises an output A shaft (1), an output B shaft (2) and a middle adjustable shock absorption component (3), wherein the output A shaft (1) and the output B shaft (2) are connected through the middle adjustable shock absorption component (3); A distance sensing piece (4) is further arranged on the contact surface of the output A shaft (1) and the middle adjustable damping component (3) and used for detecting the distance between the output A shaft (1) and the output B shaft (2); The middle adjustable shock absorbing component (3) comprises a group of connecting plates (31), a plurality of adjustable shock absorbing components (32) and a telescopic dustproof baffle plate (33); The adjustable damping components (32) are respectively connected with the output A shaft (1) and the output B shaft (2) through connecting plates (31) at two ends, the telescopic dustproof baffle (33) wraps the adjustable damping components (32) and is connected with the connecting plates (31) at two ends; The steering component (5) is respectively arranged at one end of the output A shaft (1) and one end of the output B shaft (2) far away from the middle adjustable damping component (3); And the A-axis damping component (6), and the A-axis damping component (6) is arranged at one end of the steering component (5) close to the output A-axis (1) far away from the output B-axis (2).
  2. 2. The industrial robot output shaft shock absorbing structure according to claim 1, wherein the adjustable shock absorbing assembly (32) comprises a telescopic guide rod (321), an adjusting nut (322) and an elastic member (323); The telescopic guide rod (321) is arranged between the connecting plates (31), the adjusting nut (322) is arranged on the telescopic guide rod (321), the elastic piece (323) is sleeved on the telescopic guide rod (321), and two ends of the elastic piece are propped against the adjusting nut (322) and the connecting plates (31).
  3. 3. The damping structure for the output shaft of the industrial robot according to claim 2, wherein threads are formed on the peripheral surface of the connecting plate (31) on the near side of the telescopic guide rod (321), and the adjusting nut (322) is connected with the telescopic guide rod (321) through the threads and can be adjusted along the axial direction of the telescopic guide rod (321).
  4. 4. The industrial robot output shaft shock absorbing structure according to claim 1, wherein the steering component (5) comprises a U-shaped connecting flange (51) and a cross steering shaft (52); The U-shaped connecting flange (51) is connected with one end of the output A shaft (1) and one end of the output B shaft (2) which are far away from the middle adjustable damping component (3) through a cross steering shaft (52).
  5. 5. The damping structure for the output shaft of the industrial robot, which is disclosed in claim 4, is characterized in that one end of the output A shaft (1) and one end of the output B shaft (2) far away from the middle adjustable damping component (3) are U-shaped openings, and the U-shaped openings of the output A shaft (1) and the output B shaft (2) are opposite to one end of the U-shaped opening of the U-shaped connecting flange (51) and are connected through a cross steering shaft (52).
  6. 6. The damping structure for an output shaft of an industrial robot according to claim 4, wherein the a-axis damping member (6) comprises a damping connection plate (61) and a plurality of springs (62); The damping connecting plate (61) is connected with one end of a U-shaped connecting flange (51) close to the output A shaft (1) far away from the cross steering shaft (52) through a plurality of springs (62).
  7. 7. The industrial robot output shaft shock absorbing structure according to claim 1, wherein the retractable dust guard (331) comprises a first guard (332) and a second guard (332); The first baffle plate (331) and the second baffle plate (332) are coaxially arranged between the connecting plates (31) and can move mutually along the axial direction.

Description

Industrial robot output shaft shock-absorbing structure Technical Field The utility model belongs to the field of output shafts of industrial robots, and particularly relates to an output shaft damping structure of an industrial robot. Background In the use process of the output shaft of the industrial robot, the following modes are mainly adopted in the traditional structure for damping. The vibration-damping device adopts rubber materials for damping, has a simple structure and low cost, but has poor vibration-damping effect, unstable rubber materials, cannot quickly damp vibration and has poor vibration-damping effect, and the vibration-damping device adopts semi-active vibration-damping control to reduce vibration mainly by controlling vibration-damping components such as an added motor, and has larger volume, complex structure and higher cost. In addition, a passive vibration reduction mode is adopted, and the absorption and buffering of impact force are realized through integrating vibration reduction materials or structures at the tail end of the robot, but the output shaft generates axial floating due to the addition of the vibration reduction structure, so that the production precision is difficult to ensure. Therefore, the above problems are to be solved. Disclosure of utility model The utility model aims to overcome the defects, and the utility model aims to provide the damping structure of the output shaft of the industrial robot, which realizes passive damping of the output shaft through the arrangement of the adjustable damping component, and is matched with the distance sensing piece, and the subsequent processing steps are carried out after the set sensing distance is reached, so that the axial floating error is reduced, and meanwhile, the vibration transmitted by the force of the output end is reduced through the arrangement of the A-axis damping component, and the service life of equipment is prolonged. The industrial robot output shaft damping structure comprises an output A shaft, an output B shaft, a middle adjustable damping component, a steering component and an A shaft damping component, wherein the output A shaft and the output B shaft are connected through the middle adjustable damping component, a distance sensing piece is further arranged on the contact surface of the output A shaft and the middle adjustable damping component and used for detecting the distance between the output A shaft and the output B shaft, the middle adjustable damping component comprises a group of connecting plates, a plurality of adjustable damping components and a telescopic dustproof baffle, two ends of the adjustable damping components are connected with the output A shaft and the output B shaft through the connecting plates respectively, the telescopic dustproof baffle wraps the adjustable damping components and is arranged, two ends of the telescopic dustproof baffle are connected with the connecting plates respectively, the steering component is arranged at one end of the output A shaft and one end of the output B shaft, which is far away from the middle adjustable damping component, and the A shaft damping component is arranged at one end of the steering component, which is near the output A shaft, which is far away from the output B shaft. Furthermore, the distance sensing piece is arranged on the contact surface of the output A shaft and the middle adjustable damping component, so that the distance change between the output A shaft and the output B shaft can be monitored in real time, the subsequent processing steps are carried out after the set sensing distance is reached, the axial floating error is reduced, and the vibration can be absorbed and dispersed more effectively through the double damping design of the middle adjustable damping component and the A shaft damping component. The middle adjustable damping part is mainly responsible for damping between the output A shaft and the output B shaft, the damping effect of the output A shaft is further enhanced by the A shaft damping part, the running stability of the whole system is ensured, dust, impurities and the like can be prevented from entering the damping component by the telescopic dustproof baffle, the service life of the damping component is prolonged, and the damping performance reduction or the fault risk caused by dust accumulation is reduced. Further, the adjustable damping component comprises a telescopic guide rod, an adjusting nut and an elastic piece, wherein the telescopic guide rod is arranged between the connecting plates, the adjusting nut is arranged on the telescopic guide rod, the elastic piece is sleeved on the telescopic guide rod, and two ends of the elastic piece are propped against the adjusting nut and the connecting plates. The telescopic guide rod not only provides mechanical connection, but also plays a guiding role, ensures that the elastic piece keeps stable axial movement in the compression and extension pro