Laser device for cleaning stator core

By introducing a universal joint structure into the laser device for cleaning stator cores, the problem of limited probe angle adjustment was solved, enabling flexible adjustment and precise control of the radiating head, thus improving rust removal efficiency and ease of operation.

CN224254466UActive Publication Date: 2026-05-19CHANGSHU QIANGSHENG ELECTRICITY EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGSHU QIANGSHENG ELECTRICITY EQUIP CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing handheld laser rust removal machines have limited probe angle adjustment when removing rust from stator cores, making it difficult to accurately cover all rust removal areas. They are also complex to operate, inefficient, and require highly skilled operators.

Method used

A laser device for cleaning stator cores was designed, which adopts a universal joint structure, including a star-shaped sleeve, steel balls and a cage, and is connected by pulleys and hoses to achieve flexible adjustment and precise control of the radiating head.

Benefits of technology

It improves the application flexibility and ease of operation of laser devices, ensures uniform distribution of laser energy, improves rust removal efficiency, and reduces the skill requirements for operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of stator core cleaning, and provides a laser device for stator core cleaning, which comprises a laser device main body, a first connecting pipe is arranged on one side of the laser device main body, a handle is arranged at one end of the first connecting pipe far away from the laser device main body, and a universal joint is arranged at one end of the handle far away from the first connecting pipe. A radiation head is arranged at one end of the universal joint away from the handle; the universal joint comprises a starlike sleeve, a steel ball arranged in the starlike sleeve and a retainer arranged on the side, away from the starlike sleeve, of the steel ball, a transmission shaft is arranged at the end, away from the retainer, of the starlike sleeve, and the transmission shaft is connected with the radiation head; through linkage work of all the components, the whole device can generate laser energy, control over the irradiation position can be achieved through flexible adjustment, and the application flexibility and operation convenience of the laser device are greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of stator core cleaning technology, and more specifically, it relates to a laser device for stator core cleaning. Background Technology

[0002] The stator core is a key component of the motor's magnetic circuit. Together with the rotor core and the air gap between the stator and rotor, it forms the complete magnetic circuit of the motor. However, the stator core is usually made of stacked silicon steel sheets, and the main component of silicon steel sheets is iron. Iron readily reacts with oxygen and water vapor in the air to form iron oxide (i.e., rust). This corrosion significantly increases magnetic reluctance and eddy current losses, thereby reducing the efficiency of the motor. At the same time, corrosion also weakens the mechanical strength of the core, leading to structural damage.

[0003] Therefore, laser cleaning technology has emerged. It uses a high-energy laser beam to precisely remove rust without damaging the silicon steel sheet, without chemical pollution, and is highly efficient and environmentally friendly. Laser cleaning can not only restore the surface quality of the stator core and reduce magnetic reluctance and eddy current losses, but also improve motor efficiency and mechanical strength. It is an ideal choice for motor maintenance and repair, bringing an efficient and green solution to the motor industry.

[0004] However, handheld laser rust removal machines have significant drawbacks in probe angle adjustment when removing rust from stator cores. First, the stator core has a complex structure and limited space, restricting probe angle adjustment and making it difficult to accurately cover all rust removal areas, easily resulting in rust-defective blind spots. Second, the angle adjustment requires extremely high precision; even slight deviations can lead to uneven laser energy distribution, poor rust removal effect, or damage to the core surface. Furthermore, the operation process is complex, requiring repeated testing and adjustments, resulting in low efficiency and high operator skill requirements. Therefore, a laser device for stator core cleaning is proposed to improve upon the existing problems. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a laser device for cleaning stator cores.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a laser device for cleaning stator cores, comprising a laser device body, a first connecting pipe disposed on one side of the laser device body, a handle disposed at the end of the first connecting pipe away from the laser device body, a universal joint disposed at the end of the handle away from the first connecting pipe, and a radiation head disposed at the end of the universal joint away from the handle; the universal joint comprises a star-shaped sleeve, a steel ball disposed inside the star-shaped sleeve, and a retainer disposed on the side of the steel ball away from the star-shaped sleeve, a drive shaft disposed at the end of the star-shaped sleeve away from the retainer, and the drive shaft being connected to the radiation head.

[0007] The present invention is further configured such that: the star-shaped sleeve has a plurality of first arc-shaped grooves inside, the retainer has a plurality of second arc-shaped grooves outside, the number of steel balls, first arc-shaped grooves and second arc-shaped grooves are the same, the steel balls are located on the corresponding first arc-shaped grooves and second arc-shaped grooves, and the retainer passes through one end of the handle.

[0008] The present invention is further configured such that: pulleys are provided around the bottom of the main body of the laser device, and a heat dissipation mesh is provided on one side of the main body of the laser device.

[0009] The present invention is further configured such that a switch is provided on the side of the handle away from the universal joint, and the switch is used to control the opening and closing of the radiation head.

[0010] The present invention is further configured such that: a second connecting tube is provided on one side of the handle, and the second connecting tube penetrates the side wall of the handle.

[0011] The present invention is further configured such that: both the first connecting pipe and the second connecting pipe are flexible hoses, and the second connecting pipe is redundantly configured.

[0012] The present invention is further configured such that: the other end of the second connecting tube is connected to the radiation head, and the second connecting tube penetrates the side wall of the radiation head.

[0013] In summary, this application includes at least one of the following beneficial technical effects: through the coordinated operation of various components, the entire device can not only generate laser energy, but also control the irradiation position through flexible adjustment, which greatly improves the application flexibility and operation convenience of the laser device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the laser device for cleaning stator cores according to this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the handle, universal joint, radial head, and second connecting pipe in this utility model;

[0016] Figure 3 This is a schematic diagram of the switch structure in this utility model;

[0017] Figure 4 This is a schematic diagram of the overall structure of the universal joint in this utility model;

[0018] Figure 5 This is an exploded view of the universal joint in this utility model;

[0019] Explanation of reference numerals in the attached drawings: 1. Main body of the laser device; 11. Pulley; 12. Heat dissipation mesh; 2. First connecting pipe; 3. Handle; 31. Switch; 4. Universal joint; 41. Star-shaped sleeve; 411. First arc-shaped groove; 42. Steel ball; 43. Cage; 431. Second arc-shaped groove; 44. Drive shaft; 5. Radiation head; 6. Second connecting pipe. Detailed Implementation

[0020] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0021] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0022] Please see Figures 1-5 The present invention provides the following technical solution:

[0023] Example 1, see Figures 1-5 A laser device for cleaning stator cores includes a laser device body 1, a first connecting pipe 2 is provided on one side of the laser device body 1, a handle 3 is provided at the end of the first connecting pipe 2 away from the laser device body 1, a universal joint 4 is provided at the end of the handle 3 away from the first connecting pipe 2, and a radiation head 5 is provided at the end of the universal joint 4 away from the handle 3.

[0024] Universal joint 4 includes a star-shaped sleeve 41, a steel ball 42 disposed inside the star-shaped sleeve 41, and a retainer 43 disposed on the side of the steel ball 42 away from the star-shaped sleeve 41. A drive shaft 44 is disposed at the end of the star-shaped sleeve 41 away from the retainer 43, and the drive shaft 44 is connected to the radiation head 5.

[0025] The laser device body 1, as the core component, is responsible for generating laser energy; the first connecting pipe 2 is used to connect the laser device body 1 and other components, serving the functions of transmission and fixation; the handle 3 is designed for easy operation, allowing the user to comfortably grip the device; the universal joint 4 allows the radiation head 5 to rotate flexibly within a certain range, improving operational flexibility; the star-shaped sleeve 41, steel ball 42, and cage 43 together form a structure that can rotate freely in multiple directions, ensuring that the radiation head 5 can be precisely adjusted in all directions; the drive shaft 44 transmits the rotation of the universal joint 4 to the radiation head 5, enabling it to follow the movement of the universal joint 4.

[0026] When cleaning the stator core is required, the operator can firmly hold the handle 3 and then gently adjust the universal joint 4. As the universal joint rotates flexibly, the connected radiating head 5 will gradually adjust to the optimal position. Press the switch 31 on the handle 3, and the laser of the radiating head 5 will be turned on. The laser will contact the surface of the stator core to remove the rust on the surface of the stator core.

[0027] In summary, the coordinated operation of all components enables the entire device not only to generate laser energy but also to control the irradiation position through flexible adjustments, greatly improving the application flexibility and ease of operation of the laser device.

[0028] See Figures 1-5 Furthermore, the star-shaped sleeve 41 has multiple first arc-shaped grooves 411 inside, and the retainer 43 has multiple second arc-shaped grooves 431 outside. The number of steel balls 42, first arc-shaped grooves 411 and second arc-shaped grooves 431 are the same. The steel balls 42 are located on the corresponding first arc-shaped grooves 411 and second arc-shaped grooves 431. The retainer 43 passes through one end of the handle 3.

[0029] The first arc-shaped groove 411 is tightly connected to the steel ball 42, forming a fixed whole. When the operator adjusts and rotates the star-shaped sleeve 41, the first arc-shaped groove 411 will drive the steel ball 42 to move together. At the same time, the second arc-shaped groove 431 is fixedly connected to the handle 3, forming a relatively stable structure. Therefore, when the star-shaped sleeve 41 rotates, the steel ball 42 will move flexibly along its groove path under the guidance of the second arc-shaped groove 431. Through the design of the above structure, the universal joint 4 can achieve flexible and stable rotation, thereby providing flexibility and precision for the operation of the entire device.

[0030] See Figures 1-5 Furthermore, pulleys 11 are provided around the bottom of the main body 1 of the laser device, and a heat dissipation mesh 12 is provided on one side of the main body 1 of the laser device.

[0031] The pulleys 11 arranged around the bottom of the laser device body 1 make it easier to move and adjust its position, which is suitable for the needs of different working environments. The heat dissipation mesh 12 opened on one side of the laser device body 1 is used for effective heat dissipation, ensuring that the equipment can maintain stable performance during long-term operation and avoiding the decrease in work efficiency or equipment damage caused by overheating.

[0032] See Figures 1-5 Furthermore, a switch 31 is provided on the side of the handle 3 away from the universal joint 4. The switch 31 is used to control the opening and closing of the radiation head 5.

[0033] See Figures 1-5 Furthermore, a second connecting pipe 6 is provided on one side of the handle 3, and the second connecting pipe 6 penetrates the side wall of the handle 3.

[0034] See Figures 1-5 Furthermore, both the first connecting pipe 2 and the second connecting pipe 6 are flexible hoses, with the second connecting pipe 6 being redundantly configured.

[0035] The first connecting pipe 2 and the second connecting pipe 6 are both flexible hoses. This design makes them flexible and malleable, adaptable to various usage environments, and improves flexibility and convenience. The redundant second connecting pipe 6 ensures that the radiation head 5 can move freely under the drive of the universal joint 4 without being restricted by the second connecting pipe 6.

[0036] See Figures 1-5 Furthermore, the other end of the second connecting pipe 6 is connected to the radiation head 5, and the second connecting pipe 6 penetrates the side wall of the radiation head 5.

[0037] The main function of the second connecting tube 6 is to connect the handle 3 and the radiating head 5, ensuring that the laser can be transmitted from the handle to the radiating head 5, thereby ensuring the smooth operation of the entire laser device.

[0038] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

Claims

1. A laser device for cleaning stator cores, characterized in that: include, A laser device body (1) is provided with a first connecting pipe (2) on one side of the laser device body (1). A handle (3) is provided at the end of the first connecting pipe (2) away from the laser device body (1). A universal joint (4) is provided at the end of the handle (3) away from the first connecting pipe (2). A radiation head (5) is provided at the end of the universal joint (4) away from the handle (3). The universal joint (4) includes a star-shaped sleeve (41), a steel ball (42) disposed inside the star-shaped sleeve (41), and a retainer (43) disposed on the side of the steel ball (42) away from the star-shaped sleeve (41). A drive shaft (44) is disposed at the end of the star-shaped sleeve (41) away from the retainer (43), and the drive shaft (44) is connected to the radiation head (5).

2. The laser device for cleaning stator cores according to claim 1, characterized in that: The star-shaped sleeve (41) has multiple first arc-shaped grooves (411) inside, and the retainer (43) has multiple second arc-shaped grooves (431) outside. The number of steel balls (42), first arc-shaped grooves (411) and second arc-shaped grooves (431) is the same. The steel balls (42) are located on the corresponding first arc-shaped grooves (411) and second arc-shaped grooves (431). The retainer (43) passes through one end of the handle (3).

3. The laser device for cleaning stator cores according to claim 1, characterized in that: The laser device body (1) has pulleys (11) around its bottom, and a heat dissipation mesh (12) is provided on one side of the laser device body (1).

4. The laser device for cleaning stator cores according to claim 1, characterized in that: A switch (31) is provided on the side of the handle (3) away from the universal joint (4), and the switch (31) is used to control the opening and closing of the radiation head (5).

5. The laser device for cleaning stator cores according to claim 4, characterized in that: A second connecting tube (6) is provided on one side of the handle (3), and the second connecting tube (6) passes through the side wall of the handle (3).

6. The laser device for cleaning stator cores according to claim 5, characterized in that: Both the first connecting pipe (2) and the second connecting pipe (6) are flexible hoses, and the second connecting pipe (6) is redundantly provided.

7. The laser device for cleaning stator cores according to claim 5, characterized in that: The other end of the second connecting pipe (6) is connected to the radiation head (5), and the second connecting pipe (6) penetrates the side wall of the radiation head (5).