Coating equipment of motor winding and coating system of motor winding

Abstract

The utility model provides coating equipment of a motor winding and a coating system of the motor winding. The coating equipment of the motor winding comprises a base, a lifting mechanism, a swinging joint and a clamping mechanism, the lifting mechanism is movably arranged on the base along a first axis; the swing joint is rotatably arranged on the lifting mechanism around a second axis; wherein the second axis is perpendicular to the first axis; and the clamping mechanism is arranged on the swinging joint and is used for clamping a stator to be coated. According to the configuration, through the arrangement of the swing joint and the lifting mechanism, the motor winding can sink into the fluidized bed in an inclined posture, a sufficient gas discharge channel is reserved for coating, gas can be discharged from the gas discharge channel, and the probability that a closed cavity is formed between the liquid level and the motor winding is reduced. Therefore, according to the coating equipment of the motor winding, provided by the utility model, the motion freedom degree of the stator is improved, and the coating of the motor winding can meet the requirements of a new process.

Description

Technical Field

[0001] This utility model relates to the field of motor technology, and in particular to a coating device and a coating system for motor windings. Background Technology

[0002] With the development of new energy vehicles, the improvement of passenger car motors is also progressing rapidly. Currently, to ensure the safety of motor products, motor stators often employ two processes to improve their insulation performance: impregnation with insulating resin and end encapsulation with epoxy resin powder.

[0003] Currently, the coating equipment used in epoxy resin powder end-capsulation processes can only hold the stator and move it along the Z-axis. In some new processes, it is necessary to enable the stator to tilt or swing, but the current coating equipment is difficult to meet the requirements of such new processes. Utility Model Content

[0004] The purpose of this utility model is to provide a coating equipment and a coating system for motor windings to solve the problem that existing coating equipment cannot meet the requirements of new processes.

[0005] To solve the above-mentioned technical problems, this utility model provides a coating device for motor windings, which includes: a base, a lifting mechanism, a swing joint, and a clamping mechanism.

[0006] The lifting mechanism is movably mounted on the base along the first axis;

[0007] The swing joint is rotatably disposed on the lifting mechanism about a second axis; wherein the second axis is perpendicular to the first axis;

[0008] The clamping mechanism is disposed on the swing joint and is used to clamp the stator to be coated.

[0009] Optionally, the coating device for the motor winding further includes: a first rotating joint; the clamping mechanism is rotatably disposed on the swing joint via the first rotating joint; wherein the rotation axis of the first rotating joint is a third axis, and the third axis is perpendicular to the second axis.

[0010] Optionally, the clamping mechanism includes at least two clamping members, wherein at least one of the clamping members is movably disposed in a direction perpendicular to the third axis, so that the at least two clamping members are close to or far from each other.

[0011] Optionally, the clamping mechanism includes two clamping members and two grippers; the two grippers are respectively disposed on two different clamping members; wherein at least one of the clamping members is movably disposed along a fourth axis; the fourth axis is perpendicular to the third axis.

[0012] Optionally, the clamping mechanism further includes two second rotary joints; each of the grippers is rotatably disposed on one of the clamping members through a second rotary joint; wherein the rotation axis of the second rotary joint is a fifth axis, the fifth axis is perpendicular to the third axis, and the rotation axes of the two second rotary joints are collinear.

[0013] Optionally, the gripper has a notch.

[0014] Optionally, the coating equipment for the motor windings further includes: a sliding mechanism; the lifting mechanism is movably mounted on the base via the sliding mechanism; the moving axis of the sliding mechanism is a sixth axis, which is perpendicular to the first axis.

[0015] Optionally, at least one joint or mechanism of the coating equipment for the motor winding is driven by a servo motor or cylinder.

[0016] Optionally, the swing angle of the swing joint is 0° to 40°.

[0017] In summary, the motor winding coating equipment and motor winding coating system provided by this utility model include: a base, a lifting mechanism, a swing joint, and a clamping mechanism; the lifting mechanism is movably disposed on the base along a first axis; the swing joint is rotatably disposed on the lifting mechanism around a second axis; wherein the second axis is perpendicular to the first axis; the clamping mechanism is disposed on the swing joint, and the clamping mechanism is used to clamp the stator to be coated.

[0018] This configuration, through the use of a swing joint and lifting mechanism, allows the motor windings to sink into the fluidized bed at an inclined position, providing ample gas discharge channels for coating and reducing the probability of a closed cavity forming between the liquid surface and the motor windings. Therefore, the motor winding coating equipment provided by this invention improves the stator's degree of freedom of movement and meets the requirements of new processes for motor winding coating. Attached Figure Description

[0019] Those skilled in the art will understand that the accompanying drawings are provided to better understand the present invention and do not constitute any limitation on the scope of the present invention.

[0020] Figure 1 This is a schematic diagram of the coating scenario of the motor windings according to an embodiment of the present invention.

[0021] Figure 2 This is a schematic diagram of the coating system for the motor windings according to an embodiment of the present invention.

[0022] Figure 3 This is a front view of the coating equipment for the motor windings according to an embodiment of the present invention.

[0023] Figure 4 This is a side view of the coating equipment for the motor windings according to an embodiment of the present invention.

[0024] Figure 5 This is a schematic diagram of the swing joint after rotating at a certain angle according to an embodiment of the present invention.

[0025] In the attached diagram: 1-Stator; 10-Motor winding; 11-Iron core; 2-Fluidized bed; 20-Liquid surface; 3-Base; 31-Truss; 4-Lifting mechanism; 5-Swing joint; 6-Clamping mechanism; 61-Clamping part; 62-Claw; 620-Notch; 63-Second rotating joint; 7-First rotating joint; 8-Sliding mechanism. Detailed Implementation

[0026] To make the objectives, advantages, and features of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the drawings are all in a very simplified form and are not drawn to scale, and are only used to facilitate and clarify the explanation of the objectives of the embodiments of this utility model. Furthermore, the structures shown in the drawings are often part of the actual structure. In particular, different drawings may emphasize different aspects and sometimes use different scales.

[0027] As used in this invention, the singular forms “a,” “an,” “one,” and “the” include plural objects; the term “or” is generally used to mean “and / or”; the term “a number” is generally used to mean “at least one”; and the term “at least two” is generally used to mean “two or more”. Furthermore, the terms “first,” “second,” and “third” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as “first,” “second,” or “third” may explicitly or implicitly include one or at least two of that feature; “one end” and “the other end,” and “proximal end” and “distal end” generally refer to two corresponding parts, which include not only endpoints. Furthermore, the terms "installed," "connected," and "attached," as used in this utility model, and the term "set" on one element from another, should be interpreted broadly. They generally only indicate a connection, coupling, cooperation, or transmission relationship between the two elements, which can be direct or indirect through an intermediate element. They should not be construed as indicating or implying a spatial positional relationship between the two elements, meaning one element can be located inside, outside, above, below, or to one side of the other element, unless otherwise explicitly stated. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances. Additionally, directional terms such as above, below, up, down, upward, downward, left, and right are used relative to exemplary embodiments as shown in the figures, with upward or up direction pointing towards the top of the corresponding figure, and downward or down direction pointing towards the bottom of the corresponding figure.

[0028] The purpose of this invention is to provide a coating device and a coating system for motor windings, so as to solve the problem that existing coating equipment cannot meet the requirements of new processes. The following description refers to the accompanying drawings.

[0029] Please refer to Figure 1 In one example, the stator 1 includes an iron core 11 and several conductors (such as flat enameled wire) passing through the iron core 11. The conductors are bent at both ends of the axial direction of the iron core 11 so that conductors of the same phase can be connected to each other, such as by welding, to form the motor winding 10.

[0030] During the traditional process of encapsulating the ends of the motor winding 10 with epoxy resin powder, the coating equipment clamps the stator 1 so that its axis is perpendicular to the liquid surface 20 of the fluidized bed 2 and moves along the Z-axis direction (referring to the direction perpendicular to the liquid surface 20 of the fluidized bed 2, generally the vertical direction or a direction with a small angle to the vertical direction). The liquid surface 20 of the epoxy resin powder in the fluidized bed 2 easily combines with the end structure of the motor winding 10 to form a closed air cavity. The epoxy resin powder cannot enter the closed air cavity, thus failing to completely encapsulate the ends of the motor winding 10, forming a process defect commonly known as "copper leakage," which seriously affects the safety of the motor.

[0031] And such Figure 1 As shown, in an improved process, by tilting the stator 1 so that the end of its motor winding 10 is submerged in the liquid surface 20 of the fluidized bed 2 at an inclined position, sufficient gas discharge passage can be left, and gas can be discharged from there. This reduces the probability of forming a closed cavity between the liquid surface 20 and the motor winding 10, and can effectively reduce the failure rate and rework rate of the stator 1.

[0032] Please refer to Figures 2 to 5 To achieve this improved process, this utility model embodiment provides a coating device for motor windings, including: a base 3, a lifting mechanism 4, a swing joint 5, and a clamping mechanism 6; the lifting mechanism 4 is movably disposed on the base 3 along a first axis A1; the swing joint 5 is rotatably disposed on the lifting mechanism 4 around a second axis A2; wherein the second axis A2 is perpendicular to the first axis A1; the clamping mechanism 6 is disposed on the swing joint 5, and the clamping mechanism 6 is used to clamp the stator 1 to be coated.

[0033] With this configuration, the motor winding 10 can sink into the fluidized bed 2 in an inclined posture through the setting of the swing joint 5 and the lifting mechanism 6, which improves the motion freedom of the stator 1. Thus, the coating equipment provided by this utility model embodiment can meet the coating requirements of the new process.

[0034] Please refer to Figure 2 This document illustrates a coating system for motor windings using the coating apparatus of this embodiment, which further includes a fluidized bed 2, wherein the liquid surface 20 of the fluidized bed 2 is perpendicular to the first axis A1. In one example, the liquid surface 20 may be parallel to a horizontal plane, and the first axis A1 may be arranged vertically. It should be noted that the term "perpendicular" as used herein should be broadly understood to mean a slight deviation or offset within the range of 85° to 90°, and should not be narrowly interpreted as necessarily being strictly right-angled. Similarly, the term "parallel" as used herein should also be broadly understood to mean a slight deviation or offset within the range of 0° to 5°, and should not be narrowly interpreted.

[0035] Please refer to Figure 4 and Figure 5 Understandably, the arrangement of the swing joint 5 allows the clamping mechanism 6 to rotate around the second axis A2 along with the stator 1 it clamps, causing the stator 1 to tilt. Specifically, the axis of the stator 1 forms a certain angle with the first axis A1, which is perpendicular to the liquid surface 20. This angle is preferably 0° to 40°. Therefore, the swing angle α of the swing joint 5 is preferably 0° to 40°. The swing angle α refers to the angle formed between the swing joint 5 and the first axis A1. When the swing angle α is 0°, the swing joint 5 exactly coincides with the first axis A1.

[0036] Based on the lifting mechanism 4, the stator 1 held by the clamping mechanism 6 can move up and down along the direction of the first axis A1, so that it can be submerged below the liquid surface 20 of the fluidized bed 2, or lifted from below the liquid surface 20 of the fluidized bed 2 and away from the liquid surface 20.

[0037] Thus, by combining the lifting mechanism 4 with the swing joint 5, the improved process requirement of the end of the motor winding 10 of the stator 1 sinking into the liquid surface 20 of the fluidized bed 2 in an inclined posture can be met.

[0038] It should be noted that the driving sequence of the lifting mechanism 4 and the swing joint 5 is not strictly sequential, but can be controlled according to the process requirements. In some processes, the stator 1 can be tilted first by the swing joint 5, and then the end of the motor winding 10 can be submerged below the liquid surface 20 of the fluidized bed 2 by the lifting mechanism 4. In other processes, the end of the motor winding 10 can also be submerged below the liquid surface 20 of the fluidized bed 2 by the lifting mechanism 4 first, and then the stator 1 can be tilted by the swing joint 5. In other processes, the lifting mechanism 4 can be driven simultaneously with the swing joint 5, that is, while the stator 1 is tilting, the end of the motor winding 10 is submerged below the liquid surface 20 of the fluidized bed 2.

[0039] Furthermore, the swing joint 5 can achieve reciprocating swing. In an improved process, after the end of the motor winding 10 is tilted and submerged below the liquid surface 20 of the fluidized bed 2, the swing joint 5 can drive the stator 1 to swing back and forth around the second axis A2 by reciprocating swing, so that the end of the motor winding 10 can repeatedly submerge and leave the liquid surface 20 to achieve the effect of multiple coatings.

[0040] Based on the reciprocating oscillation of the swing joint 5, when the stator 1 starts to oscillate from an inclined position, the angle of inclination of the stator 1 gradually decreases until the angle of inclination of the stator 1 is zero, at which point the stator 1 is in a straightened state, and its axis is perpendicular to the liquid surface 20 of the fluidized bed 2. In some embodiments, coating can be completed after the stator 1 is straightened. In other embodiments, after the stator 1 is straightened, the swing joint 5 can continue to drive the stator 1 to oscillate in the opposite direction, at which point the angle of inclination of the stator 1 gradually increases again.

[0041] Optionally, the coating device further includes a first rotating joint 7; the clamping mechanism 6 is rotatably mounted on the swing joint 5 via the first rotating joint 7; wherein the rotation axis of the first rotating joint 7 is a third axis A3, and the third axis A3 is perpendicular to the second axis A2. The first rotating joint 7 adds a rotational degree of freedom to the clamping mechanism 6, allowing the clamping mechanism 6 to rotate around the third axis A3. Please continue to refer to... Figure 1 In an improved process, after the end of the motor winding 10 is tilted and submerged below the liquid surface 20 of the fluidized bed 2, the first rotating joint 7 can drive the stator 1 to rotate around the third axis A3 by rotating around the third axis A3. This also allows the end of the motor winding 10 to repeatedly submerge and leave the liquid surface 20 to achieve the effect of multiple coatings.

[0042] Optionally, the clamping mechanism 6 includes at least two clamping members 61, wherein at least one of the clamping members 61 is movably arranged in a direction perpendicular to the third axis A3, so that the at least two clamping members 61 move closer to or further away from each other, thereby achieving clamping or releasing of the stator 1.

[0043] In some embodiments, when the clamping mechanism 6 includes two clamping members 61, the two clamping members 61 can move closer or further apart by linearly translating towards each other, thereby clamping or releasing the stator 1. Further, one of the clamping members 61 may be configured to be fixed, with only one clamping member 61 moving. In other embodiments, when the clamping mechanism 6 includes multiple clamping members 61, the multiple clamping members 61 can clamp or release the stator 1 by converging or dispersing towards a central point.

[0044] Please refer to Figure 3 In one embodiment, the clamping mechanism 6 includes two clamping members 61 and two grippers 62; the two grippers 62 are respectively disposed on two different clamping members 61; wherein at least one clamping member 61 is movably disposed along a fourth axis A4; the fourth axis A4 is perpendicular to the third axis A3. The grippers 62 can be used to abut against the stator 1. In an optional example, the grippers 62 have a notch 620 to increase the friction with the stator 1 or to adapt and engage with certain structures of the stator 1, thereby improving the connection reliability between the grippers 62 and the stator 1 and improving the clamping reliability of the stator 1.

[0045] Optionally, the clamping mechanism 6 further includes two second rotational joints 63; each gripper 62 is rotatably mounted on a clamping member 61 via a second rotational joint 63; wherein the rotation axis of the second rotational joint 63 is a fifth axis A5, the fifth axis A5 is perpendicular to the third axis A3, and the rotation axes of the two second rotational joints 63 are collinear. The arrangement of the second rotational joints 63 allows the gripper 62 to rotate around the fifth axis A5, thereby driving the stator 1 to rotate. In some improved processes, more degrees of freedom can be provided to the stator 1, allowing the stator 1 to achieve additional degrees of freedom of rotation or reciprocating rotation around the fifth axis A5, in addition to tilting, oscillating around the second axis A2, and rotating on its own axis.

[0046] Optionally, the coating equipment further includes a sliding mechanism 8; the lifting mechanism 4 is movably mounted on the base 3 via the sliding mechanism 8; the moving axis of the sliding mechanism 8 is a sixth axis A6, which is perpendicular to the first axis A1. In one example, the base 3 includes a truss 31, which preferably extends along the direction of the sixth axis A6, and the sliding mechanism 8 is movably mounted on the truss 31. The lifting mechanism 4 is connected to the sliding mechanism 8. The sliding mechanism 8 can be used to laterally transport the stator 1, moving the stator 1 into or out of the fluidized bed 2, facilitating the transport of the coated stator 1 outside the fluidized bed 2 and the transport of the stator 1 to be coated into the fluidized bed 2.

[0047] Optionally, at least one joint or mechanism of the coating equipment is driven by a servo motor or cylinder. The joints here include the aforementioned swing joint 5, first rotary joint 7, and second rotary joint 63, etc., and the mechanisms here mainly refer to movable mechanisms, including the aforementioned lifting mechanism 4, clamping mechanism 6, and sliding mechanism 8, etc. One or more of these joints or mechanisms may be driven by a servo motor or cylinder, and further controlled uniformly by a controller (such as a PLC or microcontroller). Each rotatable joint may include bearings, shafts, etc., and each movable mechanism may include slide rails, sliders, etc. This embodiment does not elaborate on the specific structure and principle of each joint, mechanism, servo motor, and cylinder; those skilled in the art can refer to existing technology for understanding.

[0048] In summary, the motor winding coating equipment and system provided by this utility model include: a base, a lifting mechanism, a swing joint, and a clamping mechanism; the lifting mechanism is movably disposed on the base along a first axis; the swing joint is rotatably disposed on the lifting mechanism about a second axis, wherein the second axis is perpendicular to the first axis; the clamping mechanism is disposed on the swing joint and is used to clamp the stator to be coated. This configuration, through the arrangement of the swing joint and the lifting mechanism, allows the motor winding to sink into the fluidized bed at an inclined position, providing sufficient gas discharge channels for coating, reducing the probability of a closed cavity forming between the liquid surface and the motor winding. Therefore, the motor winding coating equipment provided by this utility model improves the stator's degree of freedom of movement, and the coating of the motor winding can meet the requirements of new processes.

[0049] It should be noted that the above embodiments can be combined with each other. The above description is only a description of preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the present utility model.

Claims

1. A coating device for motor windings, characterized in that, include: Base, lifting mechanism, swing joint, and clamping mechanism; The lifting mechanism is movably mounted on the base along the first axis; The swing joint is rotatably mounted on the lifting mechanism about the second axis; Wherein the second axis is perpendicular to the first axis; The clamping mechanism is disposed on the swing joint and is used to clamp the stator to be coated.

2. The coating equipment for motor windings according to claim 1, characterized in that, Also includes: First rotational joint; The clamping mechanism is rotatably mounted on the swing joint via the first rotary joint; The rotation axis of the first rotating joint is the third axis, which is perpendicular to the second axis.

3. The coating equipment for motor windings according to claim 2, characterized in that, The clamping mechanism includes at least two clamping members, wherein at least one of the clamping members is movably disposed in a direction perpendicular to the third axis, so that the at least two clamping members are close to or far from each other.

4. The coating equipment for motor windings according to claim 3, characterized in that, The clamping mechanism includes two clamping members and two grippers; the two grippers are respectively disposed on two different clamping members; at least one of the clamping members is movably disposed along a fourth axis; the fourth axis is perpendicular to the third axis.

5. The coating equipment for motor windings according to claim 4, characterized in that, The clamping mechanism further includes two second rotating joints; each of the grippers is rotatably disposed on one of the clamping members through a second rotating joint; wherein the rotation axis of the second rotating joint is a fifth axis, the fifth axis is perpendicular to the third axis, and the rotation axes of the two second rotating joints are collinear.

6. The coating equipment for motor windings according to claim 4, characterized in that, The gripper has a notch.

7. The coating equipment for motor windings according to claim 1, characterized in that, Also includes: A sliding mechanism; the lifting mechanism is movably mounted on the base via the sliding mechanism; the moving axis of the sliding mechanism is a sixth axis, which is perpendicular to the first axis.

8. The coating equipment for motor windings according to claim 1, characterized in that, At least one joint or mechanism of the coating equipment for the motor winding is driven by a servo motor or cylinder.

9. The coating equipment for motor windings according to claim 1, characterized in that, The swing angle of the swing joint is 0° to 40°.

10. A coating system for motor windings, characterized in that, The coating apparatus for motor windings according to any one of claims 1 to 9 further includes a fluidized bed; wherein the liquid surface of the fluidized bed is perpendicular to the first axis.

Images