Dynamic balance detection mechanism for low-vibration motor rotor

Abstract

The utility model relates to the field of motor component detection, and discloses a low-vibration motor rotor dynamic balance detection mechanism which comprises a base, a transmission mechanism is arranged on the base, and a pressure adjusting mechanism is arranged on the transmission mechanism. The pressure adjusting mechanism comprises a mounting plate, a moving frame, an electric push rod, a connecting plate, a moving block, a roller, a pressure sensor and a plurality of limiting rods, the moving frame is fixedly mounted at the bottom end of the mounting plate, and the electric push rod is fixedly mounted on the mounting plate and extends into the moving frame; according to the utility model, the pressure adjusting mechanism is arranged, the mounting plate is mounted on the second connecting rod, and the electric push rod and the moving frame are mounted on the mounting plate, so that when the transmission belt presses the outer wall of the rotor, the moving block retracts under pressure, one end of the pressure sensor presses the connecting plate, and detection is carried out through the pressure sensor; the pressure borne by the inner ring of the transmission belt can be detected, the contact force between the transmission belt and the rotor can be adjusted more visually, and proofreading is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor parts detection field, especially to a low vibration motor rotor dynamic balance detection mechanism. BACKGROUND

[0002] With the rapid development of modern industry, motor and its parts are increasingly widely used in various fields, from household appliances to industrial production equipment, the performance of motor directly affects the running efficiency and stability of the whole system. Especially in the field of precision manufacturing, aerospace, etc., the low vibration and high precision of motor are extremely high. However, the traditional motor parts measurement technology has obvious defects in precision and efficiency, which is difficult to meet the strict demand of high-end market, among which the rotor of motor is detected by using soft support balancing machine, the flexible transmission belt in it is pressed on the rotor to drive the rotor to rotate, but when the flexible transmission belt contacts with the rotor, it is inconvenient to adjust the contact force, which affects the efficiency of rotor dynamic balance detection. UTILITY MODEL CONTENTS

[0003] The main purpose of the utility model is to provide a low vibration motor rotor dynamic balance detection mechanism, which aims to solve the technical problem that it is inconvenient to adjust the contact force when the flexible transmission belt contacts with the rotor, which affects the efficiency of rotor dynamic balance detection.

[0004] In order to realize the above-mentioned utility model purpose, the utility model discloses a low vibration motor rotor dynamic balance detection mechanism in the first aspect, which comprises a base, a transmission mechanism is arranged on the base, a pressure adjusting mechanism is arranged on the transmission mechanism;

[0005] The pressure adjusting mechanism comprises a mounting plate, a moving frame, an electric push rod, a connecting plate, a moving block, a roller, a pressure sensor and a plurality of limiting rods, the moving frame is fixedly installed at the bottom end of the mounting plate, the electric push rod is fixedly installed on the mounting plate, and the electric push rod extends into the moving frame, the connecting plate is fixedly installed at the output end of the electric push rod, the moving block is slidably installed on the inner wall of the moving frame, the roller is rotatably installed at one end of the moving block, the pressure sensor is fixedly installed at the other end of the moving block, a plurality of limiting rods are fixedly installed at one end of the moving block, and the limiting rods are slidably installed in the corresponding holes of the connecting plate;

[0006] Further, the detection end of the pressure sensor is located on one side of the connecting plate, a plurality of springs are fixedly installed on one side of the connecting plate, and the other end of the spring is fixedly installed on the outer wall of the corresponding limiting rod;

[0007] Further, the transmission mechanism comprises a support, a driving motor, a first connecting rod, a first motor, a first rotating disc, a rotating motor, a second rotating disc, a second connecting rod, a third rotating disc and a transmission belt, the support is fixedly installed at the top end of the base, the driving motor is fixedly installed on the support, the first connecting rod is rotatably installed on one side of the support, and the first connecting rod is fixedly installed at the output end of the driving motor, the rotating motor is fixedly installed on one side of the first connecting rod, and the output end of the rotating motor extends into the first connecting rod, the second connecting rod is fixedly installed at the output end of the rotating motor, the first rotating disc is rotatably installed at one end of the inner wall of the first connecting rod, and the second rotating disc and the third rotating disc are rotatably installed at two ends of the inner wall of the second connecting rod, and the transmission belt is installed on the outer walls of the first rotating disc, the second rotating disc and the third rotating disc.

[0008] Further, the second connecting rod is fixedly installed on one side of the adjusting motor, and the output end of the adjusting motor extends to the other side of the second connecting rod.

[0009] Further, two mounting seats are fixedly installed at the top end of the base, two supporting blocks are fixedly installed at the top end of each mounting seat, and a gasket is fixedly installed on the opposite side of each supporting block.

[0010] Further, a mounting frame is fixedly installed at the top end of the base, and a vibration detector probe is arranged on one side of the mounting frame.

[0011] Further, one end of the vibration detector probe is located above one side of the mounting frame.

[0012] Further, a sliding frame is fixedly installed at the top end of the base, an installation block is slidably installed in the inner wall of the sliding frame, a gas cylinder is fixedly installed at the top of the installation block, and a fixed plate is fixedly installed at the output end of the gas cylinder.

[0013] Further, a third motor is fixedly installed on one side of the sliding frame, the output end of the third motor extends into the sliding frame, a lead screw is fixedly installed at the output end of the third motor, a threaded hole is formed in one side of the installation block, and the installation block is threadedly connected to the outer wall of the lead screw through the threaded hole.

[0014] Further, a fixed rod is fixedly installed on one side of the second connecting rod, and the fixed plate is clamped with the fixed rod.

[0015] Beneficial effects:

[0016] The utility model discloses a low vibration motor rotor dynamic balance detection mechanism, through setting pressure adjusting mechanism, install the mounting plate on the second connecting rod, install electric push rod, mobile frame on the mounting plate, and electric push rod output end is connected mobile block through connecting plate, and when transmission belt is pressed in the rotor outer wall, mobile block is contracted under pressure, and one end of pressure sensor is pressed on the connecting plate, and through pressure sensor detection, can detect the pressure that transmission band inner ring receives, can more directly adjust the force that transmission band and rotor contact, make the more convenient calibration.

[0017] In the low vibration motor rotor dynamic balance detection mechanism, the third motor starts to drive the screw rod to rotate, the screw rod drives the mounting block to move in the sliding frame, the fixed plate moves to the upper side of the fixed rod, the output end of the air cylinder drives the fixed plate to move downward, the fixed rod is pressed downward, the one end of the second connecting rod is supported, the one end of the second connecting rod is more stable, and the transmission belt is more stably attached to the outer wall of the rotor. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model;

[0019] Figure 2 It is another side structure schematic diagram of the utility model;

[0020] Figure 3 It is the installation diagram of the mounting block on the sliding frame;

[0021] Figure 4 It is the installation diagram of the mobile block at the one end of the mobile frame;

[0022] Among them:

[0023] 1 - base, 2 - support, 3 - drive motor, 4 - first connecting rod, 401 - first motor, 5 - first rotary table, 6 - rotation motor, 7 - second rotary table, 8 - second connecting rod, 9 - third rotary table, 10 - transmission belt, 11 - fixed rod, 12 - adjusting motor, 13 - mounting plate, 14 - mobile frame, 15 - electric push rod, 16 - connecting plate, 17 - mobile block, 18 - roller, 19 - pressure sensor, 20 - limit rod, 21 - sliding frame, 22 - third motor, 23 - screw rod, 24 - mounting block, 25 - air cylinder, 26 - fixed plate, 27 - mounting bracket, 28 - vibration detector probe, 29 - mounting seat, 30 - support block, 31 - gasket.

[0024] The utility model discloses a low vibration motor rotor dynamic balance detection mechanism, through setting pressure adjusting mechanism, install the mounting plate on the second connecting rod, install electric push rod, mobile frame on the mounting plate, and electric push rod output end is connected mobile block through connecting plate, and when transmission belt is pressed in the rotor outer wall, mobile block is contracted under pressure, and one end of pressure sensor is pressed on the connecting plate, and through pressure sensor detection, can detect the pressure that transmission band inner ring receives, can more directly adjust the force that transmission band and rotor contact, make the more convenient calibration. DETAILED DESCRIPTION

[0025] It should be understood that the specific embodiments described herein are merely intended to explain the present application, and are not intended to limit the present application.

[0026] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0027] In the description of the utility model, it needs to be explained that, unless otherwise specifically defined and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0029] Reference Figures 1-4The utility model discloses a low vibration motor rotor dynamic balance detection mechanism one embodiment includes, the base 1 is provided with transmission mechanism on the base 1, be provided with pressure regulating mechanism on the transmission mechanism, the pressure regulating mechanism includes mounting plate 13, mobile frame 14, electric push rod 15, connecting plate 16, moving block 17, gyro wheel 18, pressure sensor 19 and a plurality of limit rods 20, mobile frame 14 is fixedly installed on the mounting plate 13 bottom end, electric push rod 15 is fixedly installed on the mounting plate 13, and electric push rod 15 extends to the inside of mobile frame 14, connecting plate 16 is fixedly installed on the output end of electric push rod 15, moving block 17 is slidably installed in the inner wall of mobile frame 14, gyro wheel 18 is rotatably installed in one end of moving block 17, pressure sensor 19 is fixedly installed in the other end of moving block 17, a plurality of limit rods 20 are fixedly installed in one end of moving block 17, the limit rod 20 is slidably installed in the corresponding hole of connecting plate 16, the detection end of pressure sensor 19 is located in one side of connecting plate 16, a plurality of springs are fixedly installed in one side of connecting plate 16, and the other end of spring is fixedly installed on the outer wall corresponding to limit rod 20.

[0030] Wherein, by setting pressure adjustment mechanism, install mounting plate 13 on second connecting rod 8, install electric push rod 15 and mobile frame 14 on mounting plate 13, the output end of electric push rod 15 is connected with moving block 17 through connecting plate 16, when transmission belt 10 is pressed on the outer wall of rotor, moving block 17 is retracted under pressure, one end of pressure sensor 19 is pressed on connecting plate 16, and the pressure is detected through pressure sensor 19, so that the pressure received by the inner ring of transmission belt 10 can be detected, and the force of transmission belt 10 contacting with rotor can be adjusted more directly, so that the calibration is more convenient.

[0031] In the embodiment, limit rod 20 is connected with moving block 17 and connecting plate, spring supports moving block 17 to extend from one end of mobile frame 14, and ensures that there is a certain distance between one end of pressure sensor 19 and connecting plate 16 when not detecting pressure.

[0032] In the example, electric push rod 15 can drive moving block 17 to extend and retract at one end of mobile frame 14, adjust the distance between gyro wheel 18 and the inner ring of transmission belt 10, so that the distance between gyro wheel 18 and the inner ring of transmission belt 10 can be adjusted according to actual conditions.

[0033] In the example, adjusting the start of motor 12 can drive mounting plate 13 to rotate, adjust the contact position of gyro wheel 18 and the inner ring of transmission belt 10, when second connecting rod 8 rotates to adjust the tightness of transmission belt 10, the position of gyro wheel 18 can be adjusted conveniently.

[0034] In an embodiment, the transmission mechanism comprises a support 2, a driving motor 3, a first connecting rod 4, a first motor 401, a first rotating disc 5, a rotating motor 6, a second rotating disc 7, a second connecting rod 8, a third rotating disc 9 and a transmission belt 10, the support 2 is fixedly installed at the top end of the base 1, the driving motor 3 is fixedly installed on the support 2, the first connecting rod 4 is rotatably installed on one side of the support 2, and the first connecting rod 4 is fixedly installed on the output end of the driving motor 3, the rotating motor 6 is fixedly installed on one side of the first connecting rod 4, and the output end of the rotating motor 6 extends into the first connecting rod 4, the second connecting rod 8 is fixedly installed on the output end of the rotating motor 6, the first rotating disc 5 is rotatably installed on one end of the inner wall of the first connecting rod 4, the second rotating disc 7 and the third rotating disc 9 are rotatably installed on both ends of the inner wall of the second connecting rod 8 respectively, the transmission belt 10 is installed on the outer wall of the first rotating disc 5, the second rotating disc 7 and the third rotating disc 9, and an adjusting motor 12 is fixedly installed on one side of the second connecting rod 8, the output end of the adjusting motor 12 extends to the other side of the second connecting rod 8, and the mounting plate 13 is fixedly installed on the output end of the adjusting motor 12.

[0035] The first motor 401 is arranged in the embodiment, the first motor 401 is started to drive the first rotating disc 5 to rotate, so that the transmission belt 10 is moved, the driving motor 3 is started, the first connecting rod 4 is driven to rotate, the outer ring of the transmission belt 10 is pressed on the outer wall of the rotor, the rotating motor 6 is started, the second connecting rod 8 is driven to rotate, and the tightness of the transmission belt 10 is adjusted.

[0036] In an embodiment, the top end of the base 1 is fixedly installed with two mounting seats 29, the top end of each mounting seat 29 is fixedly installed with two oppositely installed supporting blocks 30, the opposite side of each supporting block 30 is fixedly installed with a gasket 31, the top end of the base 1 is fixedly installed with a mounting frame 27, one side of the mounting frame 27 is provided with a vibration detector probe 28, and one end of the vibration detector probe 28 is located above one side of the mounting frame 27.

[0037] The mounting seat 29 is arranged in the embodiment to mount the supporting block 30, the supporting block 30 supports the two ends of the rotor from below, and the gasket 31 can be a rigid sponge plate, which can reduce the friction when the two ends of the rotor rotate.

[0038] In the example, one end of the vibration detector probe 28 is connected with a vibration detection instrument in the prior art through a wire, one end of the vibration detector probe 28 contacts one end of the rotor, and the vibration of the rotor during rotation is detected.

[0039] In the example, the base 1 top end is fixedly provided with a sliding frame 21, the sliding frame 21 inner wall is slidably provided with a mounting block 24, the mounting block 24 top is fixedly provided with a pneumatic cylinder 25, the pneumatic cylinder 25 output end is fixedly provided with a fixed plate 26, one side of the sliding frame 21 is fixedly provided with a third motor 22, the third motor 22 output end extends to the sliding frame 21 inside, the third motor 22 output end is fixedly provided with a lead screw 23, one side of the mounting block 24 is provided with a threaded hole, the mounting block 24 is connected to the lead screw 23 outer wall through the threaded hole, one side of the second connecting rod 8 is fixedly provided with a fixed rod 11, the fixed plate 26 is clamped with the fixed rod 11; the third motor 22 drives the lead screw 23 to rotate, the lead screw 23 drives the mounting block 24 to move in the sliding frame 21, the fixed plate 26 moves above the fixed rod 11, the pneumatic cylinder 25 output end drives the fixed plate 26 to move downwards, the fixed rod 11 is pressed downwards, one end of the second connecting rod 8 is supported, one end of the second connecting rod 8 is more stable, and the transmission belt 10 is more stably attached to the rotor outer wall.

[0040] In the example, the driving motor 3, the first motor 401, the rotating motor 6, the adjusting motor 12 and the third motor 22 can be selected from servo motors.

[0041] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation in the utility model specification and the attached drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A low-vibration motor rotor dynamic balance detection mechanism, characterized in that, Including base (1), be provided with transmission mechanism on the base (1), be provided with pressure regulating mechanism on the transmission mechanism; The pressure regulating mechanism includes a mounting plate (13), a moving frame (14), an electric push rod (15), a connecting plate (16), a moving block (17), a roller (18), a pressure sensor (19) and a plurality of limit rods (20), the moving frame (14) is fixedly installed on the bottom end of the mounting plate (13), the electric push rod (15) is fixedly installed on the mounting plate (13), and the electric push rod (15) extends to the inside of the moving frame (14), the connecting plate (16) is fixedly installed on the output end of the electric push rod (15), the moving block (17) is slidably installed on the inner wall of the moving frame (14), the roller (18) is rotatably installed on one end of the moving block (17), the pressure sensor (19) is fixedly installed on the other end of the moving block (17), a plurality of limit rods (20) are fixedly installed on one end of the moving block (17), and the limit rods (20) are slidably installed in the corresponding holes of the connecting plate (16).

2. A low vibration motor rotor dynamic balance detection mechanism according to claim 1, characterized in that, The detection end of the pressure sensor (19) is located on one side of the connecting plate (16), a plurality of springs are fixedly installed on one side of the connecting plate (16), and the other ends of the springs are fixedly installed on the outer walls of the corresponding limit rods (20).

3. A low vibration motor rotor dynamic balance detection mechanism according to claim 1, characterized in that, The transmission mechanism includes a support (2), a drive motor (3), a first connecting rod (4), a first motor (401), a first rotating disc (5), a rotating motor (6), a second rotating disc (7), a second connecting rod (8), a third rotating disc (9) and a transmission belt (10), the support (2) is fixedly installed on the top end of the base (1), the drive motor (3) is fixedly installed on the support (2), the first connecting rod (4) is rotatably installed on one side of the support (2), and the first connecting rod (4) is fixedly installed on the output end of the drive motor (3), the rotating motor (6) is fixedly installed on one side of the first connecting rod (4), and the output end of the rotating motor (6) extends to the inside of the first connecting rod (4), the second connecting rod (8) is fixedly installed on the output end of the rotating motor (6), the first rotating disc (5) is rotatably installed on one end of the inner wall of the first connecting rod (4), the second rotating disc (7) and the third rotating disc (9) are rotatably installed on both ends of the inner wall of the second connecting rod (8) respectively, and the transmission belt (10) is installed on the outer walls of the first rotating disc (5), the second rotating disc (7) and the third rotating disc (9).

4. A low vibration motor rotor dynamic balance detection mechanism according to claim 3, characterized in that, One side of the second connecting rod (8) is fixedly installed with an adjusting motor (12), the output end of the adjusting motor (12) extends to the other side of the second connecting rod (8), and the mounting plate (13) is fixedly installed on the output end of the adjusting motor (12).

5. A low vibration motor rotor dynamic balance detection mechanism according to claim 1, characterized in that, Two mounting seats (29) are fixedly installed on the top end of the base (1), two oppositely installed supporting blocks (30) are respectively fixedly installed on the top ends of the mounting seats (29), and gaskets (31) are fixedly installed on the opposite sides of the two supporting blocks (30).

6. A low vibration motor rotor dynamic balance detection mechanism according to claim 5, characterized in that, The mounting rack (27) is arranged on one side of the base (1).

7. A low vibration motor rotor dynamic balance detection mechanism according to claim 6, characterized in that, One end of the vibration detector probe (28) is located above one side of the mounting rack (27).

8. A low vibration motor rotor dynamic balance detection mechanism according to claim 3, characterized in that, The top of the base (1) is fixedly provided with a sliding frame (21), the inner wall of the sliding frame (21) is slidably provided with a mounting block (24), the top of the mounting block (24) is fixedly provided with a pneumatic cylinder (25), and the output end of the pneumatic cylinder (25) is fixedly provided with a fixed plate (26).

9. A low vibration motor rotor dynamic balance detection mechanism according to claim 8, characterized in that, One side of the sliding frame (21) is fixedly provided with a third motor (22), the output end of the third motor (22) extends into the sliding frame (21), the output end of the third motor (22) is fixedly provided with a lead screw (23), and one side of the mounting block (24) is provided with a threaded hole, and the mounting block (24) is connected to the outer wall of the lead screw (23) through the threaded hole.

10. A low vibration motor rotor dynamic balance detection mechanism according to claim 8, characterized in that, One side of the second connecting rod (8) is fixedly provided with a fixed rod (11), and the fixed plate (26) is clamped with the fixed rod (11).

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