Rotor balance correction equipment
By adopting a double-face symmetric balance correction structure and a cutting knife driven by telescopic cylinder in the rotor balance correction equipment, the unbalance stability problem caused by unilateral cutting is solved, and the convenience of balance correction of the rotor and dust treatment is achieved.
Patent Information
- Application Number
- CN202421063140.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-02-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the prior art, the single-sided cutting assembly cuts the outer surface of the rotor, resulting in a single-sided contact that easily presses the rotor to the rear side, causing imbalance and stability, affecting the balance and accuracy of correction.
A rotor balance correction device is designed, adopting a double-face symmetric balance correction structure, and pushing the cutting knife to contact the outer annular surface of the rotor through the telescopic cylinder in the balanced cutting structure. During the rotor rotation, the cutting knife on the upper and lower sides is used to compare the gravity part. Perform cutting to achieve balanced correction.
The equipment achieves balance correction of the rotor through double-face symmetrical cutting, ensuring the safety, stability and accuracy of the correction, and at the same time solving the problem of dust processing and avoiding additional cleaning steps.
Smart Images
Figure CN222441523U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rotor balancing correction, in particular to a rotor balancing correction device. Background Art
[0002] Currently, in the manufacturing process of motors, due to the unevenness of manufacturing materials, the center of gravity of the rotor will be offset from the axis, causing vibration and wear when the motor is running. Therefore, the rotor will be dynamically balanced during the motor production process.
[0003] In the specification of a motor rotor dynamic balancing correction device in the prior art (publication number CN114825823A), it is mentioned that "the bracket is provided with an elastic member and a bearing, the elastic member is used to support the bearing, a rotor is passed through the bearing, counterweight plates are provided at both ends of the rotor winding, a driving component for driving the rotor to rotate is provided on the base, and a cutting component for cutting the counterweight plate to reduce weight is also provided on the base". However, the prior art uses a single-sided cutting component to cut the outer surface of the rotor. Due to the single-sided contact, the rotor is easily pressed to the rear side, which is unbalanced and unstable, thereby affecting the balance and accuracy of the correction. Utility Model Content
[0004] In order to overcome the defects of the prior art, a rotor balancing correction device is now provided to solve the problem that the prior art uses a single-sided cutting component to cut the outer surface of the rotor. Due to the single-sided contact, the rotor is easily pressed to the rear side, which is unbalanced and unstable, thus affecting the balance and accuracy of the correction.
[0005] To achieve the above-mentioned purpose, a rotor balancing and correction device is provided, including a base, a balancing cutting structure and a motor, a rear side plate is fixed to the rear end of the base, an upper fixed plate is fixed to the upper part of the front side of the rear side plate, and a lower fixed plate is fixed to the lower part of the front side of the rear side plate, and the front ends of the upper fixed plate and the lower fixed plate are both fixed with the balancing cutting structure, a left shaft sleeve plate is fixed to the left end of the front side of the base, and a sliding sleeve is movably provided on the right part of the front side of the base, a motor is sleeved in the sliding sleeve, and a rotating shaft is installed at the front end of the motor, the rotating shaft extends into the rotor, and the other end of the rotating shaft is rotatably connected in the left shaft sleeve plate.
[0006] Furthermore, four groups of lower support rods are fixed to the left portion of the upper end surface of the base, and the upper ends of the lower support rods are fixed under the placement rack, and the upper end of the placement rack supports a ash receiving trough.
[0007] Furthermore, the ash receiving trough adopts a rectangular trough structure, and the ash receiving trough is a detachable structure.
[0008] Furthermore, a lower linear guide and an upper linear guide are arranged on the right portion of the front side surface of the rear side plate, and a sliding sleeve is slidably connected to the lower linear guide and the upper linear guide, and the left shaft sleeve plate and the sliding sleeve are aligned left and right.
[0009] Furthermore, a plurality of sets of external telescopic cylinders are fixed on the upper part of the balanced cutting structure, and the lower ends of the external telescopic cylinders are fixed in the tool holder, and a cutting knife is fixed at the lower end of the tool holder, and the lower end surface of the cutting knife just contacts the outer ring surface of the rotor.
[0010] Furthermore, a fixed sleeve is sleeved in the middle of the rotating shaft, and four groups of inner telescopic cylinders are arranged on the fixed sleeve, and an arc-shaped clamping plate is fixed to the front end of the inner telescopic cylinder, and an anti-slip surface layer is arranged on the outer side of the arc-shaped clamping plate, and the anti-slip surface layer is against the inner wall of the rotor.
[0011] The beneficial effects of the utility model are:
[0012] 1. The ash receiving trough of the utility model is located just below the rotor, so that the ash generated when the equipment is calibrating the rotor will fall into the ash receiving trough for direct ash collection without cleaning, which is more convenient and saves trouble.
[0013] 2. In the utility model, the left shaft sleeve plate can move left and right on the lower linear guide rail and the upper linear guide rail, which is convenient for driving the rotating shaft at the front end of the motor to extend into the rotor that needs to be corrected, and the operation is accurate and stable.
[0014] 3. In the utility model, a balancing cutting structure is installed at the front end of the upper fixing plate and the lower fixing plate. The telescopic cylinder in the balancing cutting structure is extended to push the cutting knife to contact the outer ring surface of the rotor. When the rotor is driven by the shaft to rotate, the part with a larger specific gravity will deviate outward in the rotation trajectory. At this time, the cutting knives on the upper and lower sides can cut off the deviated part of the outer ring surface of the rotor to achieve the purpose of rotor balance correction.
[0015] 4. In the utility model, four sets of inner telescopic cylinders are arranged on the fixed sleeve in the middle of the rotating shaft. The extension of the inner telescopic cylinders will push the arc-shaped clamping plate and the anti-slip surface layer to clamp the inner wall of the rotor, which helps to stabilize the rotor in the middle of the rotating shaft, thereby facilitating the rotor to rotate together with the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;
[0017] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;
[0018] Figure 3 This is a schematic diagram of the balanced cutting structure of an embodiment of the utility model;
[0019] Figure 4 It is a schematic diagram of the structure arrangement on the rotating shaft of an embodiment of the utility model.
[0020] In the figure: 1. base; 10. lower support rod; 11. placement rack; 12. ash receiving trough; 13. lower fixed plate; 14. upper fixed plate; 15. rear side plate; 16. lower linear guide; 17. sliding sleeve; 18. upper linear guide; 19. left shaft sleeve; 2. balanced cutting structure; 20. outer telescopic cylinder; 21. knife holder; 22. cutting knife; 3. motor; 30. rotating shaft; 31. fixed sleeve; 32. inner telescopic cylinder; 33. arc splint; 34. anti-slip surface layer; 4. rotor. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.
[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.
[0023] Figure 1 It is a front view schematic diagram of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 The schematic diagram of the balanced cutting structure of the embodiment of the utility model and Figure 4 It is a schematic diagram of the structure arrangement on the rotating shaft of an embodiment of the utility model.
[0024] Reference Figures 1 to 4 As shown, the utility model provides a rotor balancing and correction device, including a base 1, a balancing cutting structure 2 and a motor 3, a rear side plate 15 is fixed to the rear end of the base 1, an upper fixed plate 14 is fixed to the upper part of the front side of the rear side plate 15, and a lower fixed plate 13 is fixed to the lower part of the front side of the rear side plate 15, and the front ends of the upper fixed plate 14 and the lower fixed plate 13 are both fixed with the balancing cutting structure 2, a left shaft sleeve plate 19 is fixed to the left end of the front side of the base 1, and a sliding sleeve 17 is movably provided on the right part of the front side of the base 1, the motor 3 is sleeved in the sliding sleeve 17, and a rotating shaft 30 is installed at the front end of the motor 3, the rotating shaft 30 extends into the rotor 4, and the other end of the rotating shaft 30 is rotatably connected in the left shaft sleeve plate 19.
[0025] In this embodiment, four groups of lower support rods 10 are fixed to the left part of the upper end surface of the base 1, and the upper ends of the lower support rods 10 are fixed under the placement rack 11, and the upper end of the placement rack 11 supports a ash receiving trough 12; the ash receiving trough 12 adopts a rectangular trough structure, and the ash receiving trough 12 is a detachable structure.
[0026] As a preferred embodiment, the ash receiving trough 12 of the utility model is located just below the rotor 4, so that the ash generated when the equipment is calibrating the rotor 4 will fall into the ash receiving trough 12 for direct ash collection without cleaning, which is more convenient and saves trouble.
[0027] In this embodiment, a lower linear guide 16 and an upper linear guide 18 are provided on the right portion of the front side of the rear side plate 15, and a sleeve 17 is slidably connected to the lower linear guide 16 and the upper linear guide 18, and the left shaft sleeve plate 19 and the sleeve 17 are aligned left and right.
[0028] As a preferred embodiment, the left shaft sleeve 19 in the utility model moves left and right on the lower linear guide 16 and the upper linear guide 18, which facilitates the rotation shaft 30 at the front end of the motor 3 to extend into the rotor 4 that needs to be calibrated, and the operation is accurate and stable.
[0029] In this embodiment, multiple groups of external telescopic cylinders 20 are fixed to the upper part of the balanced cutting structure 2, and the lower ends of the external telescopic cylinders 20 are fixed in the tool holder 21, and a cutting knife 22 is fixed to the lower end of the tool holder 21, and the lower end surface of the cutting knife 22 is just in contact with the outer ring surface of the rotor 4.
[0030] As a preferred embodiment, in the utility model, a balancing cutting structure 2 is installed at the front end of the upper fixed plate 14 and the lower fixed plate 13. The telescopic cylinder in the balancing cutting structure 2 is extended to push the cutting knife 22 to contact the outer ring surface of the rotor 4. When the rotor 4 is driven by the rotating shaft to rotate, the part with a larger specific gravity will deviate outward in the rotation trajectory. At this time, the cutting knives 22 on the upper and lower sides can cut off the deviated part of the outer ring surface of the rotor 4 to achieve the purpose of rotor balance correction.
[0031] In this embodiment, a fixed sleeve 31 is sleeved in the middle of the rotating shaft 30, and four groups of inner telescopic cylinders 32 are arranged around the fixed sleeve 31, and an arc-shaped clamping plate 33 is fixed to the front end of the inner telescopic cylinder 32, and an anti-slip surface layer 34 is provided on the outer side of the arc-shaped clamping plate 33, and the anti-slip surface layer 34 is against the inner wall of the rotor 4.
[0032] As a preferred embodiment, four groups of inner telescopic cylinders 32 are arranged on the fixed sleeve 31 in the middle of the rotating shaft 30 in the utility model. The extension of the inner telescopic cylinders 32 will push the arc-shaped clamping plate 33 and the anti-slip surface layer 34 to clamp the inner wall of the rotor 4, which helps to stabilize the rotor 4 in the middle of the rotating shaft 30, thereby facilitating the rotation of the rotor 4 while the rotating shaft 30 rotates.
[0033] The utility model can effectively solve the problem that the prior art uses a single-sided cutting assembly to cut the outer surface of the rotor. Due to the single-sided contact, the rotor is easily pressed to the rear side, which is unbalanced and unstable, thus affecting the balance and accuracy of the correction. The utility model adopts double-sided symmetrical balancing correction for the rotor, which not only ensures the safety and stability of the correction, but also ensures the accuracy. At the same time, the dust generated by the rotor balancing correction can be received in time without cleaning, which is more convenient and saves trouble.
[0034] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.
Claims
1. A rotor balancing correction device, characterized in that: The invention comprises a base (1), a balanced cutting structure (2) and a motor (3); a rear side plate (15) is fixed to the rear end of the base (1), an upper fixed plate (14) is fixed to the upper part of the front side of the rear side plate (15), a lower fixed plate (13) is fixed to the lower part of the front side of the rear side plate (15), and the front ends of the upper fixed plate (14) and the lower fixed plate (13) are both fixed with the balanced cutting structure (2); a left shaft sleeve (19) is fixed to the left end of the front side of the base (1), and a sliding sleeve (17) is movably provided on the right part of the front side of the base (1), a motor (3) is sleeved in the sliding sleeve (17), and a rotating shaft (30) is installed at the front end of the motor (3); the rotating shaft (30) extends into the rotor (4), and the other end of the rotating shaft (30) is rotatably connected to the left shaft sleeve (19).
2. A rotor balancing correction device according to claim 1, characterized in that: Four groups of lower support rods (10) are fixed to the left portion of the upper end surface of the base (1), and the upper ends of the lower support rods (10) are fixed under a placement frame (11), and the upper end of the placement frame (11) supports a ash receiving trough (12).
3. A rotor balancing correction device according to claim 2, characterized in that: The ash receiving trough (12) adopts a rectangular trough structure, and the ash receiving trough (12) is a detachable structure.
4. A rotor balancing correction device according to claim 1, characterized in that: A lower linear guide rail (16) and an upper linear guide rail (18) are arranged on the right portion of the front side surface of the rear side plate (15), and a sliding sleeve (17) is slidably connected to the lower linear guide rail (16) and the upper linear guide rail (18), and the left shaft sleeve plate (19) and the sliding sleeve (17) are arranged to be aligned left and right.
5. A rotor balancing correction device according to claim 1, characterized in that: A plurality of groups of external telescopic cylinders (20) are fixed on the upper part of the balanced cutting structure (2), and the lower ends of the external telescopic cylinders (20) are fixed in a tool holder (21), and a cutting knife (22) is fixed at the lower end of the tool holder (21), and the lower end surface of the cutting knife (22) is in contact with the outer ring surface of the rotor (4).
6. A rotor balancing correction device according to claim 1, characterized in that: A fixing sleeve (31) is sleeved in the middle of the rotating shaft (30), and four groups of inner telescopic cylinders (32) are arranged around the fixing sleeve (31), and an arc-shaped clamping plate (33) is fixed to the front end of the inner telescopic cylinder (32), and an anti-slip surface layer (34) is arranged on the outer side surface of the arc-shaped clamping plate (33), and the anti-slip surface layer (34) abuts against the inner side wall of the rotor (4).