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CN-122016160-A - Dynamic balance detection and correction equipment for automobile water pump impeller

CN122016160ACN 122016160 ACN122016160 ACN 122016160ACN-122016160-A

Abstract

The invention discloses a dynamic balance detection and correction device for an automobile water pump impeller, which particularly relates to the field of detection and correction of a water pump impeller, and comprises a detection and correction frame arranged on a detection machine tool, wherein one side of the top of the detection and correction frame is provided with a main fixing piece for fixing a central hole of the impeller, the other side of the top of the detection and correction frame is provided with an auxiliary fixing piece for limiting the end part of the impeller, the auxiliary fixing piece comprises an air cylinder fixedly arranged above the detection and correction frame, the extending end of the air cylinder is provided with a connector through a bearing in a rotating way, and the end part of the connector is provided with a pressing ring.

Inventors

  • SHAO SHENGYU
  • ZHU JINHU
  • ZHUO HAIBO

Assignees

  • 安徽欧潮汽车机电科技有限公司

Dates

Publication Date
20260512
Application Date
20260312

Claims (8)

  1. 1. The dynamic balance detection and correction device for the automobile water pump impeller comprises a detection and correction frame (1) arranged on a detection machine tool, and is characterized in that one side of the top of the detection and correction frame (1) is provided with a main fixing piece (2) for fixing a central hole of the impeller, and the other side of the top of the detection and correction frame (1) is provided with an auxiliary fixing piece (3) for limiting the end part of the impeller; the auxiliary fixing piece (3) comprises an air cylinder (7) fixedly installed above the detection correction frame (1), a connector (31) is rotatably arranged at the extending end of the air cylinder (7) through a bearing, a pressing ring (32) is arranged at the end part of the connector (31), a plurality of groups of threaded rods (33) rotatably connected with the connector (31) are arranged on the circumferential outer wall of the connector (31), and a cleaning component for cleaning the table top and the impeller of the detection correction frame (1) is arranged below the air cylinder (7); The cleaning assembly comprises a mounting plate (34) fixedly connected with the extending end of the air cylinder (7), an air pump (35) is mounted on the side wall, close to the air cylinder (7), of the mounting plate (34), a vent pipe (39) is mounted on the other side wall of the mounting plate (34), the output end of the air pump (35) is communicated with the vent pipe (39) through a pipeline, a dust removing long pipe (38) perpendicular to the vent pipe (39) is connected to the lower portion of the vent pipe (39), a cleaning pipe (37) is further connected to the output end of the vent pipe (39), and a cleaning ring (36) fixedly connected with the circumferential outer wall of the connector (31) is arranged at the output end of the cleaning pipe (37).
  2. 2. The device for detecting and correcting the dynamic balance of the automobile water pump impeller according to claim 1, wherein the control valves are fixedly arranged on the pipe walls of the input ends of the cleaning pipe (37) and the dedusting long pipe (38).
  3. 3. The device for detecting and correcting dynamic balance of an automobile water pump impeller according to claim 1, wherein the output ends of a plurality of the cleaning rings (36) are arranged towards one side of the impeller, and the output ends of the dust removing long tubes (38) are arranged obliquely downwards left.
  4. 4. The automobile water pump impeller balance detection and correction device according to claim 1, wherein the main fixing piece (2) comprises a detection numerical control shaft (8) fixedly connected with the detection and correction frame (1), an air storage groove (26) and a limit groove (22) are formed in the inner wall of the detection numerical control shaft (8), a communication groove is formed in the inner wall of the detection numerical control shaft (8) between the air storage groove (26) and the limit groove (22), a piston plate (25) is slidably arranged in the air storage groove (26), a pressing column (23) is slidably arranged in the limit groove (22), and a limit column (24) for connecting the piston plate (25) with the pressing column (23) is slidably arranged in the communication groove.
  5. 5. The dynamic balance detection and correction device for the automobile water pump impeller according to claim 4, wherein a plurality of groups of ventilation grooves (28) are formed in the outer wall of the periphery of the detection numerical control shaft (8) positioned on the air storage groove (26), and an air bag (21) is connected to the outer wall of the detection numerical control shaft (8) positioned on the outer side of the plurality of groups of ventilation grooves (28).
  6. 6. The device for detecting and correcting dynamic balance of an automobile water pump impeller according to claim 5, wherein a plurality of groups of thrust springs (27) are arranged on the side wall of the piston plate (25) opposite to the air storage groove (26).
  7. 7. The dynamic balance detection and correction device for the automobile water pump impeller according to claim 6, wherein the detection and correction frame (1) is provided with a dust collection port (4) on the top wall below the detection numerical control shaft (8), and a dust collection box (5) in sliding fit with the detection numerical control shaft (8) is arranged below the dust collection port (4).
  8. 8. The device for detecting and correcting the dynamic balance of the impeller of the automobile water pump according to any one of claims 1 to 7, wherein the working method of the device for detecting and correcting the dynamic balance of the impeller of the automobile water pump comprises the following steps: After the impeller is installed, the extending end of the control cylinder (7) is extended, the connector (31) is firstly contacted with the pressing column (23) to push the limiting column (24) to enable the air bag (21) to be inflated, so that seamless contact between the detection numerical control shaft (8) and the impeller central hole is ensured, the extending end of the cylinder (7) is extended continuously, the end part of the pressing ring (32) is used for pressing and limiting the end part of the impeller, and the pressing ring is cooperated with the seamless limiting at the central hole; The dust removal and cleaning stage comprises the steps of synchronously controlling an air pump (35) to work when an air cylinder (7) stretches, blowing impurities on the top wall of a detection and correction frame (1) into a dust collection box (5) through a dust collection port (4), and cleaning the surface of an impeller to avoid the detection omission risk caused by covering pollutants; and in the dynamic balance detection and correction stage, a dynamic balance detection device equipped with a detection machine tool is utilized to detect and correct the dynamic balance of the impeller.

Description

Dynamic balance detection and correction equipment for automobile water pump impeller Technical Field The invention relates to the technical field of water pump impeller detection, in particular to a dynamic balance detection and correction device for an automobile water pump impeller. Background The impeller of the automobile water pump is used as a key component of an automobile cooling system, the dynamic balance state of the impeller is critical to the normal operation of an automobile engine, if the dynamic balance of the impeller is poor, larger vibration and noise are generated when the impeller rotates at a high speed, so that the driving comfort is influenced, the abrasion of parts such as a water pump bearing and the like is accelerated, the service life of the impeller is shortened, and even more serious mechanical faults are caused; Dust and impurities are attached to the impeller in the processes of processing, transporting or storing and the like, and the pollutants cover defects, such as cracks, scratches and corrosion, on the surface of the impeller, so that visual detection or nondestructive detection results are distorted, and the existing impeller detection and correction equipment lacks cleaning on the surface of the impeller, so that the detection omission risk caused by covering the impeller by large-particle pollutants cannot be avoided; In the stage of installing the impeller, after the central hole of the impeller is clamped above the detection numerical control shaft, detection correction is directly carried out, and for an open impeller or a semi-open impeller, the rigidity of the former is low, the rigidity of the latter is medium, the open end is easy to deform, the risk of axial displacement exists in the detection correction process, and the stability in the detection correction process can not be improved through the cooperative cooperation of 'seamless limit' and limit of the impeller end part at the central hole of the impeller; In view of the technical drawbacks described above, a solution is now provided. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides a dynamic balance detection and correction device for an automobile water pump impeller. In order to achieve the above purpose, the present invention provides the following technical solutions: the dynamic balance detection and correction equipment for the automobile water pump impeller comprises a detection and correction frame arranged on a detection machine tool, wherein one side of the top of the detection and correction frame is provided with a main fixing piece for fixing a central hole of the impeller, and the other side of the top of the detection and correction frame is provided with an auxiliary fixing piece for limiting the end part of the impeller; The auxiliary fixing piece comprises an air cylinder fixedly installed above the detection correction frame, the extending end of the air cylinder is rotatably provided with a connector through a bearing, the end part of the connector is provided with a pressing ring, the circumferential outer wall of the connector is provided with a plurality of groups of threaded rods which are rotatably connected with the connector, and a cleaning assembly for cleaning the table top of the detection correction frame and the impeller is arranged below the air cylinder; The cleaning assembly comprises a mounting plate fixedly connected with the extending end of the air cylinder, an air pump is mounted on the side wall, close to the air cylinder, of the mounting plate, a vent pipe is mounted on the other side wall of the mounting plate, the output end of the air pump is communicated with the vent pipe through a pipeline, a dust removing long pipe perpendicular to the vent pipe is connected to the lower portion of the vent pipe, a cleaning pipe is further connected to the output end of the vent pipe, and a cleaning ring fixedly connected with the circumferential outer wall of the connector is arranged at the output end of the cleaning pipe. Furthermore, control valves are fixedly arranged on the pipe walls of the input ends of the cleaning pipe and the dedusting long pipe. Further, the output ends of a plurality of the cleaning rings are arranged towards one side of the impeller, and the output ends of the dust removing long pipes are obliquely arranged downwards left. Further, the main fixing piece comprises a detection numerical control shaft fixedly connected with the detection correction frame, a gas storage groove and a limit groove are formed in the inner wall of the detection numerical control shaft, a communication groove is formed in the inner wall of the detection numerical control shaft between the gas storage groove and the limit groove, a piston plate is arranged in the gas storage groove in a sliding mode, a pressing column is arranged in the limit groove in a sliding mode, and a limit column connected with the piston plat