Rotor dynamic balance detection and adjustment device
By designing a rotor dynamic balancing detection and adjustment device, a robotic arm is used to automate the gripping and adjustment of the rotor, solving the problems of low efficiency and large human error in existing technologies, and realizing the rotor dynamic balancing detection requirements for high precision and mass production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-23
- Publication Date
- 2026-05-19
AI Technical Summary
Existing rotor dynamic balancing tests mainly rely on manual operation, which is inefficient and subject to human error. Semi-automatic balancing machines still require manual intervention in the adjustment process, making it difficult to meet the demands of modern industry for high precision and mass production. Furthermore, the separation of the testing and adjustment stations means that the rotor needs to be moved multiple times, increasing time costs and introducing imbalance.
Design a rotor dynamic balancing testing and adjustment device, including a worktable, a turntable, a testing device, and an adjustment device. The device uses a robotic arm to automatically pick up and adjust the rotor. The testing devices are spaced at the front end of the turntable. Qualified rotors are removed manually, while unqualified rotors are picked up by the robotic arm and adjusted by the adjustment device, thus realizing a closed-loop system of testing-adjustment-re-inspection.
It has realized the automation of rotor dynamic balancing test, improved the accuracy and speed of test and adjustment, reduced labor costs, and met the needs of high-precision, mass production.
Smart Images
Figure CN224262703U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor manufacturing technology, and in particular to a rotor dynamic balance detection and adjustment device. Background Technology
[0002] Rotor dynamic balancing testing and adjustment is a key process in the machinery manufacturing industry. Its accuracy directly affects the operational stability and service life of rotating machinery. Traditional dynamic balancing testing mainly relies on manual operation, including manually placing the rotor onto the balancing machine, starting the test, recording data, and repeatedly adjusting by trial weight. This has problems such as low efficiency and large human error. Although semi-automatic balancing machines have achieved partial automation of testing, the adjustment process still requires manual intervention, such as manually drilling holes to remove weights or attaching counterweights. This is difficult to meet the needs of modern industry for high precision and mass production. In addition, existing equipment usually separates the testing and adjustment stations, which requires the rotor to be moved multiple times, increasing time costs and potentially introducing new imbalances due to secondary clamping.
[0003] Currently, although automation technology has been introduced into the field of dynamic balancing, most solutions only achieve a single function and fail to form a closed-loop system of detection-adjustment-re-inspection. Some integrated equipment is difficult to handle complex rotor structures due to insufficient positioning accuracy of the robotic arm or poor adaptability of the adjustment device. Therefore, it is necessary to design a rotor dynamic balancing detection and adjustment device. Utility Model Content
[0004] The purpose of this invention is to provide a rotor dynamic balance detection and adjustment device to solve the problems existing in the prior art.
[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0006] A rotor dynamic balancing testing and adjustment device includes a worktable and further includes:
[0007] A turntable is rotatably mounted on the top of a workbench, and a robotic arm is fixedly mounted on the top of the workbench for gripping a rotor.
[0008] The detection device is fixedly installed on the top of the workbench and spaced apart at the front end of the turntable. The detection device is used to detect the dynamic balance of the rotor.
[0009] The worktable has an upward-facing vertical plate extending from its rear side, and the adjustment device is located at the front end of the vertical plate. The adjustment device is used to adjust rotors that do not meet the requirements of the testing device.
[0010] By adopting the above technical solution, the detection device is set at intervals at the front end of the turntable, which can detect the rotor dynamic balance in a timely manner and quickly determine whether it is qualified. Qualified rotors are taken away manually, while unqualified rotors are grabbed by a robotic arm and taken to the adjustment device. After adjustment by the adjustment device, they are grabbed back to the detection device and taken away manually, realizing automated operation, effectively improving the accuracy and speed of rotor dynamic balance detection and adjustment, and reducing labor costs.
[0011] In a further embodiment, the robotic arm includes:
[0012] The first fixing plate is fixedly installed on the top of the turntable;
[0013] The second fixing plate is spaced apart at the top of the first fixing plate, and a plurality of guide posts are provided between the first fixing plate and the second fixing plate. The two ends of the guide posts are fixedly connected to the first fixing plate and the second fixing plate, respectively.
[0014] The lifting device includes a mounting plate, a claw clamp, and a cylinder. The mounting plate is disposed between a first fixed plate and a second fixed plate, and the mounting plate and the first fixed plate are arranged parallel to each other. The mounting plate is sleeved on a guide post, and the mounting plate and the guide post are slidably connected. Two claw clamps are provided, and the two claw clamps are respectively mirror-arranged at the front end and the rear end of the mounting plate. The cylinder is fixedly installed on the top of the second fixed plate. The cylinder includes a fixed part and a movable part. The movable part of the cylinder is disposed at the top end of the cylinder body. One end of a connecting rod is fixedly installed on the movable end of the cylinder, and the other end of the connecting rod is fixedly connected to the mounting plate.
[0015] In a further embodiment, the detection device includes:
[0016] The support unit includes a first support column and a second support column. The first support column is spaced apart at the right end of the second support column. Both the first and second support columns have through holes that extend from front to back. Bearings are fixedly installed in the through holes. A rotating shaft is installed in the bearing. Both ends of the rotating shaft pass through and extend to the outside of the bearing.
[0017] The drive unit includes a drive wheel, a driven wheel, a transmission belt, and a servo motor. The drive wheel is sleeved on the front end of the shaft on the first support column, the driven wheel is sleeved on the front end of the shaft on the second support column, the transmission belt connects the driven wheel and the drive wheel, and the servo motor is spaced apart on the rear side of the first support column. The output shaft of the servo motor and the rear end of the shaft on the first support column are connected by a coupling.
[0018] The detection unit includes a first column, a second column, and a laser speed sensor. The first column and the second column are symmetrically arranged on the front and rear sides of the transmission belt about the top of the transmission belt. The top of the second column is provided with a downward clearance groove. The laser speed sensor is eccentrically arranged on the top of the first column. A limit plate is fixedly installed on the rear top of the second column.
[0019] In a further embodiment, the adjustment device includes a rectangular plate unit, a first robotic arm, a second robotic arm, and a clamping device. The rectangular plate unit includes a first rectangular plate and a second rectangular plate. The second rectangular plate is spaced apart on the left side of the first rectangular plate. The front ends of the first and second rectangular plates extend to their right sides close to each other, with a protrusion. The top of the protrusion is provided with a downward-facing receiving groove. The first robotic arm is disposed inside the rear end of the first and second rectangular plates. The clamping device is slidably mounted on the front side of the vertical plate, and the clamping device is aligned with the receiving groove. The second robotic arm is spaced apart at the bottom of the rectangular plate unit, and a blade is fixedly mounted on the right side of the second robotic arm.
[0020] In a further embodiment, the clamping device is a crossbeam with a downward protrusion extending from its front end.
[0021] In a further embodiment, the gripper includes a bidirectional cylinder and a clamping plate. Two clamping plates are provided. The bidirectional cylinder includes a fixed part and a movable part. The top end of the fixed part is fixedly connected to the bottom of the mounting plate. Two movable ends are provided. The two movable ends are respectively mirror images of the left and right ends of the fixed end. The two clamping plates are respectively provided at the bottom of the movable part.
[0022] In summary, this utility model has the following beneficial effects:
[0023] 1. By setting the detection devices at intervals at the front end of the turntable, the rotor dynamic balance can be detected in a timely manner, and whether it is qualified can be quickly determined. Qualified rotors are removed manually, while unqualified rotors are grabbed by a robotic arm and taken to the adjustment device. After adjustment by the adjustment device, they are grabbed back to the detection device and removed manually. This can achieve automated operation, effectively improve the accuracy and speed of rotor dynamic balance detection and adjustment, and reduce labor costs. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0025] Figure 2 This is a schematic diagram of the structure of the robotic arm of this utility model;
[0026] Figure 3 This is a schematic diagram of the detection device and adjustment device of this utility model.
[0027] In the diagram, 1. Workbench; 2. Turntable; 3. Robotic arm; 31. First fixed plate; 32. Second fixed plate; 33. Guide column; 34. Lifting device; 4. Detection device; 41. Support unit; 42. Drive unit; 43. Detection unit; 5. Adjustment device; 51. Rectangular plate unit; 52. First robotic arm; 53. Second robotic arm; 54. Clamping device; 55. Blade; 6. Vertical plate. Detailed Implementation
[0028] The present invention will be further described in detail below with reference to the accompanying drawings.
[0029] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to the attached figures. Figure 1 In this specification, the terms "bottom surface" and "top surface," "inner" and "outer" refer to the direction toward or away from the geometry of a specific component. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this specification, "a plurality of" means two or more, unless otherwise explicitly and specifically defined by the direction of the center.
[0030] Example 1:
[0031] like Figures 1-3 As shown, a rotor dynamic balance testing and adjustment device includes a worktable 1, a turntable 2, a testing device 4, and an adjustment device 5. The turntable 2 is rotatably mounted on the top of the worktable 1. A robotic arm 3 is fixedly mounted on the top of the worktable 1 for gripping the rotor. The testing device 4 is fixedly mounted on the top of the worktable 1 and is spaced apart at the front end of the turntable 2 for testing the dynamic balance of the rotor. An upward vertical plate 6 extends from the rear side of the worktable 1. The adjustment device 5 is located at the front end of the vertical plate 6 for adjusting rotors that do not meet the requirements of the testing device 4.
[0032] The robotic arm 3 includes a first fixed plate 31, a second fixed plate 32, and a lifting device 34. The first fixed plate 31 is fixedly installed on the top of the turntable 2. The second fixed plates 32 are spaced apart at the top of the first fixed plate 31. Multiple guide posts 33 are arranged between the first fixed plate 31 and the second fixed plate 32, and both ends of the guide posts 33 are fixedly connected to the first fixed plate 31 and the second fixed plate 32, respectively. The lifting device 34 includes a mounting plate, grippers, and a cylinder. The mounting plate is arranged between the first fixed plate 31 and the second fixed plate 32, parallel to the first fixed plate 31. The mounting plate is sleeved on the guide posts 33, and the mounting plate and the guide posts 33 are slidably connected. Two grippers are provided, which are mirror images of the front and rear ends of the mounting plate, respectively. The cylinder is fixedly mounted on the guide posts 33. The cylinder, mounted on the top of the second fixed plate 32, includes a fixed part and a movable part. The movable part of the cylinder is located at the top of the cylinder body. One end of a connecting rod is fixedly installed on the movable end of the cylinder, and the other end of the connecting rod is fixedly connected to the mounting plate. The detection device 4 includes a support unit 41, a drive unit 42, and a detection unit 43. The support unit 41 includes a first support column and a second support column. The first support column is spaced apart at the right end of the second support column. Both the front sides of the first and second support columns are provided with through holes that extend from front to back. Bearings are fixedly installed in the through holes, and rotating shafts are installed inside the bearings. Both ends of the rotating shafts pass through and extend to the outside of the bearings. The drive unit 42 includes a drive wheel, a driven wheel, a transmission belt, and a servo motor. The drive wheel is sleeved on the rotating shaft of the first support column. At the front end, the driven wheel is sleeved on the front end of the rotating shaft of the second support column. The transmission belt connects the driven wheel and the drive wheel. The servo motor is spaced apart on the rear side of the first support column. The output shaft of the servo motor and the rear end of the rotating shaft on the first support column are connected by a coupling. The detection unit 43 includes a first column, a second column, and a laser speed sensor. The first column and the second column are symmetrically arranged on the front and rear sides of the transmission belt about the top end of the transmission belt. The top of the second column is provided with a downward clearance groove. The laser speed sensor is eccentrically arranged on the top end of the first column. A limit plate is fixedly installed on the rear top end of the second column. The adjustment device 5 includes a rectangular plate unit 51, a first robotic arm 52, a second robotic arm 53, and a clamping device 54. The first robotic arm 52 is used for The rectangular plate unit 51, which clamps and rotates the rotor, includes a first rectangular plate and a second rectangular plate. The second rectangular plate is spaced apart on the left side of the first rectangular plate. The front ends of the first and second rectangular plates extend to their right sides, close to each other. The top of the protrusion is provided with a downward receiving groove. The first robotic arm 52 is located inside the rear end of the first and second rectangular plates. The clamping device 54 is slidably mounted on the front side of the vertical plate 6. The clamping device 54 is aligned with the receiving groove. The second robotic arm 53 is spaced apart at the bottom of the rectangular plate unit 51. The right side of the second robotic arm 53 is fixedly mounted with a blade 55. The second robotic arm 53 is used to drive the blade 55 to perform vertical, horizontal, and lateral translational movements. The clamping device 54 is a crossbeam with a downward protrusion extending from its front end.The gripper includes a two-way cylinder and two gripping plates. The two-way cylinder comprises a fixed part and a movable part. The top end of the fixed part is fixedly connected to the bottom of the mounting plate. Two movable ends are provided, mirror images of the left and right ends of the fixed end. The two gripping plates are respectively located at the bottom of the movable part.
[0033] Specific implementation process: The rotor to be tested is placed on the transmission belt, with one end of the rotor in contact with the transmission belt. The clearance groove at the top of the second column and the limiting plate at the rear of the second column ensure that the other end of the rotor is stably placed to avoid displacement. The servo motor of the drive unit 42 drives the shaft on the first support column to rotate through the coupling, thereby causing the drive wheel to rotate. This drives the driven wheel and the shaft on the second support column to rotate through the transmission belt, realizing the rotation drive of the rotor. At this time, the laser speed sensor at the top of the first column is eccentrically set, which can emit laser to monitor the rotor speed and vibration signal in real time, thereby determining whether the rotor dynamic balance is qualified. If the detection device 4 determines that the rotor is unqualified, the cylinder in the robotic arm 3 is activated. The moving end of the cylinder drives the mounting plate to descend through the connecting rod. The claw gripper descends and clamps the rotor to be tested, then picks up the rotor and places it into the adjustment device 5. In the adjustment device 5, the first and second rectangular plates of the rectangular plate unit 51 position the rotor through protrusions and receiving grooves. The first robotic arm 52 can clamp and rotate the rotor at the rear end inside. The clamping device 54 is a crossbeam with a front protrusion that slides down to clamp the rotor and prevent it from moving during adjustment. The blade 55 at the end of the second robotic arm 53 cuts and removes weight from specific positions on the rotor according to the detection data of the laser speed sensor, so that the rotor reaches the dynamic balance requirement. After the adjustment is completed, the robotic arm 3 picks up the rotor and returns it to the testing device 4 for re-inspection until it passes the test. The entire device achieves automated detection and adjustment of rotor dynamic balance through the coordinated work of its components.
[0034] In the embodiments disclosed in this utility model, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments disclosed in this utility model according to the specific circumstances.
[0035] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
Claims
1. A rotor dynamic balancing detection and adjustment device, comprising a workbench (1), characterized in that, Also includes: Turntable (2), which is rotatably mounted on the top of workbench (1), and a mechanical arm (3) is fixedly mounted on the top of workbench (1) for gripping rotor; The detection device (4) is fixedly installed on the top of the workbench (1). The detection devices (4) are spaced apart at the front end of the turntable (2). The detection devices (4) are used to detect the dynamic balance of the rotor. The worktable (1) has an upward vertical plate (6) extending from its rear side. The adjustment device (5) is located at the front end of the vertical plate (6) and is used to adjust rotors that do not meet the requirements of the detection device (4).
2. The rotor dynamic balancing detection and adjustment device according to claim 1, characterized in that, The robotic arm (3) includes: The first fixing plate (31) is fixedly installed on the top of the turntable (2); The second fixing plate (32) is spaced apart at the top of the first fixing plate (31). A plurality of guide posts (33) are provided between the first fixing plate (31) and the second fixing plate (32). The two ends of the guide posts (33) are fixedly connected to the first fixing plate (31) and the second fixing plate (32) respectively. The lifting device (34) includes a mounting plate, a claw, and a cylinder. The mounting plate is disposed between a first fixed plate (31) and a second fixed plate (32). The mounting plate and the first fixed plate (31) are arranged in parallel. The mounting plate is sleeved on a guide post (33). The mounting plate and the guide post (33) are slidably connected. There are two claws, which are respectively mirror images of the front end and the rear end of the mounting plate. The cylinder is fixedly installed on the top of the second fixed plate (32). The cylinder includes a fixed part and a movable part. The movable part of the cylinder is disposed on the top of the cylinder body. One end of a connecting rod is fixedly installed on the movable end of the cylinder. The other end of the connecting rod is fixedly connected to the mounting plate.
3. The rotor dynamic balancing detection and adjustment device according to claim 1, characterized in that, The detection device (4) includes: Support unit (41), the support unit (41) includes a first support column and a second support column, the first support column is spaced apart at the right end of the second support column, the front side of the first support column and the second support column are provided with through holes that pass through from front to back, a bearing is fixedly installed in the through hole, a rotating shaft is provided in the bearing, and both ends of the rotating shaft pass through and extend to the outside of the bearing. The drive unit (42) includes a drive wheel, a driven wheel, a transmission belt and a servo motor. The drive wheel is sleeved on the front end of the shaft on the first support column, the driven wheel is sleeved on the front end of the shaft on the second support column, the transmission belt connects the driven wheel and the drive wheel, the servo motor is spaced apart on the rear side of the first support column, and the output shaft of the servo motor and the rear end of the shaft on the first support column are connected by a coupling. The detection unit (43) includes a first column, a second column and a laser speed sensor. The first column and the second column are symmetrically arranged on the front and rear sides of the transmission belt about the top of the transmission belt. The top of the second column is provided with a downward clearance groove. The laser speed sensor is eccentrically arranged on the top of the first column. A limit plate is fixedly installed on the rear top of the second column.
4. The rotor dynamic balancing detection and adjustment device according to claim 1, characterized in that: The adjustment device (5) includes a rectangular plate unit (51), a first robotic arm (52), a second robotic arm (53), and a pressing device (54). The rectangular plate unit (51) includes a first rectangular plate and a second rectangular plate. The second rectangular plate is spaced apart on the left side of the first rectangular plate. The front ends of the first and second rectangular plates extend to the right side of each other with protrusions. The top of the protrusions is provided with downward receiving grooves. The first robotic arm (52) is located at the rear end inside the first and second rectangular plates. The pressing device (54) is slidably installed on the front side of the vertical plate (6). The pressing device (54) is aligned with the receiving groove. The second robotic arm (53) is spaced apart at the bottom of the rectangular plate unit (51). A blade (55) is fixedly installed on the right side of the second robotic arm (53).
5. The rotor dynamic balancing detection and adjustment device according to claim 4, characterized in that: The clamping device (54) is a crossbeam, and the front end of the crossbeam extends downward with a protrusion.
6. The rotor dynamic balancing detection and adjustment device according to claim 2, characterized in that: The gripper includes a bidirectional cylinder and a clamping plate. Two clamping plates are provided. The bidirectional cylinder includes a fixed part and a movable part. The top end of the fixed part is fixedly connected to the bottom of the mounting plate. Two movable ends are provided. The two movable ends are respectively mirror images of the left and right ends of the fixed end. The two clamping plates are respectively provided at the bottom of the movable part.