Rotor potting anti-bubble device

Abstract

This utility model discloses a rotor glue-filling anti-bubble device. This device addresses the problems of difficulty in completely and stably removing air bubbles from glue during existing rotor glue-filling processes, which can easily lead to rotor insulation failure, overheating, and low product yield. It relates to the field of motor rotor manufacturing. It includes a fine sieving component and an extrusion component, which are fixedly connected and coaxially distributed. The extrusion component is used to extrude glue to remove large air bubbles, while the fine sieving component is used to finely sieve glue to remove small air bubbles. The fine sieving component includes a coaxially formed fine sieve (with uniformly spaced through holes on its outer periphery), and the extrusion component includes an integrally formed extrusion body and connecting parts (the body has fan-shaped channels and bubble removal holes). This device can comprehensively and gradedly remove air bubbles, reduce the formation of new air bubbles during glue flow, ensure uniform and stable processing, and effectively improve rotor glue-filling quality and product reliability.

Description

Technical Field

[0001] This utility model relates to the field of motor rotor manufacturing technology, and in particular to a rotor potting anti-bubble device. Background Technology

[0002] In fields such as motor rotor manufacturing, rotor potting is a crucial step in ensuring rotor insulation performance, heat dissipation, and structural stability. The purity of the adhesive (free of residual air bubbles) directly determines the rotor's performance and lifespan after potting. However, existing rotor potting processes suffer from several technical challenges in the adhesive treatment stage: First, most adhesive pretreatment devices can only remove large or small air bubbles, making it difficult to completely eliminate all bubbles. This results in residual bubbles forming voids during curing, damaging the rotor's insulation layer and even causing localized overheating. Second, in some devices, the core components used for bubble removal (such as extrusion and screening structures) are often non-coaxial or have poor connection stability. When the adhesive flows between different components, it is prone to path deviation. The removal of turbulence can actually create new bubbles, further affecting the treatment effect. Third, even if some devices have the ability to treat multiple types of bubbles, the distribution of their internal flow channels (such as extrusion channels and screening channels) is often uneven, causing an imbalance between the flow rate and force of the glue during the treatment process. In some areas, the glue is not fully extruded or screened, and there is still a risk of bubble residue. Fourth, some extrusion components are assembled separately from the main body. There are small gaps at the joints, and the glue can easily seep into the gaps and form bubbles when it flows through. Or, due to assembly errors, the channels may be misaligned, affecting the bubble discharge efficiency. Therefore, we propose a rotor-based glue-filling anti-bubble device. Utility Model Content

[0003] In view of the problems existing in the prior art, this utility model is proposed.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a rotor glue-filling anti-bubble device, including a fine screening component and an extrusion component, wherein the fine screening component and the extrusion component are fixedly connected and coaxially distributed, the extrusion component is used to extrude glue and squeeze out large air bubbles in the glue, and the fine screening component is used to finely screen the glue after the large air bubbles are squeezed out by the extrusion component and remove small air bubbles in the glue.

[0005] Preferably, the fine screening component includes a screen body, a screen connector, and a screen end. The screen connector is fixedly disposed at one end of the screen body, and the screen end is fixedly disposed at the end of the screen connector away from the screen body. The screen body, the screen connector, and the screen end are coaxially distributed and form an integral whole, which is a fine screen.

[0006] Preferably, the fine sieve is provided with a sieve flow hole that penetrates the sieve body, the sieve connector and the end of the sieve. A plurality of through holes are uniformly provided on the outer periphery of the sieve body, and the plurality of through holes are evenly distributed circumferentially along the axis of the sieve body.

[0007] Preferably, the extrusion component includes an extrusion body and an extrusion connector. The extrusion connector is fixedly disposed on one side of the extrusion body, and the extrusion connector and the extrusion body are coaxially distributed and integrally formed.

[0008] Preferably, the extrusion body has a plurality of fan-shaped channels and bubble discharge holes. The cross-section of the fan-shaped channels is fan-shaped, and the plurality of fan-shaped channels are evenly distributed circumferentially along the axis of the extrusion connector. The bubble discharge holes are located between any two fan-shaped channels.

[0009] Preferably, an extrusion flow hole is provided on one side of the extrusion connector, and the extrusion flow hole penetrates the extrusion connector and the extrusion body.

[0010] The beneficial effects of this utility model are: The device uses an extrusion component to squeeze out large air bubbles, followed by a fine sieving component to remove small air bubbles. This comprehensive grading and removal of air bubbles effectively prevents residual air bubbles from affecting the rotor's dispensing quality. The device employs a coaxial and fixedly connected design for all components, with some components using a one-piece molding process. This ensures smooth glue flow and reduces the generation of new air bubbles during the flow. Furthermore, the through-holes on the outer periphery of the fine sieving component and the fan-shaped channels of the extrusion component are evenly distributed, further guaranteeing the uniformity and stability of glue processing. Ultimately, this improves the performance of the product after rotor dispensing and reduces the product defect rate caused by air bubbles. Attached Figure Description

[0011] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the structure of the precision screening component of this utility model.

[0014] Figure 3 This is a schematic diagram of the extrusion component structure of this utility model.

[0015] Reference numerals: 1. Fine screening component; 101. Screen body; 102. Screen connector; 103. Screen end; 104. Screen flow hole; 2. Extrusion component; 201. Extrusion body; 202. Fan-shaped channel; 203. Bubble discharge hole; 204. Extrusion connector; 205. Extrusion flow hole. Detailed Implementation

[0016] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0017] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0018] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0019] Example Reference Figures 1-3 This is the first embodiment of the present invention, which provides a rotor potting anti-bubble device.

[0020] Specifically, to solve the above-mentioned technical problems, this utility model provides the following technical solution: a rotor glue-filling anti-bubble device, including a fine screening component 1 and an extrusion component 2, the fine screening component 1 and the extrusion component 2 are fixedly connected and coaxially distributed, the extrusion component 2 is used to extrude glue and squeeze out large air bubbles, and the fine screening component 1 is used to finely screen the glue that has squeezed out large air bubbles and remove small air bubbles. In this process, the glue first enters the extrusion component 2, which applies pressure to the glue to squeeze out large air bubbles. Since the fine screening component 1 and the extrusion component 2 are fixedly connected and coaxially distributed, the glue processed by the extrusion component 2 enters the fine screening component 1 along the coaxial path. The fine screening component 1 performs fine screening on the glue to remove small air bubbles and complete the anti-bubble treatment of the glue. Furthermore, the fine screening component 1 includes a screen body 101, a screen connector 102 fixedly disposed at one end of the screen body 101, and a screen end 103 fixedly disposed at the end of the screen connector 102 away from the screen body 101. The screen body 101, the screen connector 102, and the screen end 103 are coaxially distributed and form a whole, which is a fine screen. The fine screen has a screen flow hole 104 that penetrates the screen body 101, the screen connector 102, and the screen end 103. A plurality of through holes are also evenly distributed on the outer periphery of the screen body 101. The plurality of through holes are evenly distributed circumferentially along the axis of the screen body 101. The glue, after being processed by the extrusion component 2, enters a fine sieve formed by the coaxial distribution of the sieve body 101, the sieve connector 102, and the sieve end 103. It flows inside the fine sieve through the sieve flow hole 104 that runs through the three components. During the flow, the glue flows out through a number of through holes evenly distributed circumferentially along the axis of the sieve body 101. These through holes are used to achieve fine screening of the glue, thereby removing small air bubbles. Furthermore, the uniform distribution of the through holes makes the glue screening process more uniform and stable. Furthermore, the extrusion component 2 includes an extrusion body 201, on which a plurality of fan-shaped channels 202 are provided. An extrusion connector 204 is fixedly provided on one side of the extrusion body 201. The extrusion connector 204 is coaxially distributed with the extrusion body 201 and the extrusion connector 204 and the extrusion body 201 are integrally formed. An extrusion flow hole 205 is provided on one side of the extrusion connector 204, which penetrates the extrusion connector 204 and the extrusion body 201. The extrusion body 201 is also provided with bubble discharge holes 203, which are located between any two fan-shaped channels 202; Among them, the cross-section of the fan-shaped channel 202 is fan-shaped; several fan-shaped channels 202 are evenly distributed circumferentially along the axis of the extrusion connector 204.

[0021] Specifically, the glue enters the device through the extrusion flow hole 205 that penetrates the extrusion connector 204 and the extrusion body 201. Because the extrusion connector 204 and the extrusion body 201 are coaxially distributed and integrally formed, the glue flows smoothly into the extrusion body 201. Several fan-shaped channels 202 with a fan-shaped cross-section are evenly distributed around the axis of the extrusion connector 204 on the extrusion body 201, forming a uniform flow channel. The glue is squeezed when it flows through these fan-shaped channels. At the same time, the bubble discharge hole 203 located between any two fan-shaped channels 202 provides a path for the large air bubbles in the glue to be discharged, so that the large air bubbles can be discharged through the bubble discharge hole 203, thereby realizing the extrusion treatment of the glue and removing the large air bubbles. In summary, the rotor glue-filling anti-bubble device of the first embodiment of this utility model achieves collaborative operation through a structure in which the fine screening component 1 and the extrusion component 2 are fixedly connected and coaxially distributed: the extrusion component 2, as a large bubble treatment component, is composed of an extrusion body 201 and an extrusion connector 204 integrally formed on the same axis. After the glue enters through the extrusion flow hole 205 penetrating both, it flows along the fan-shaped channels 202 evenly distributed on the circumference of the extrusion body 201 and is squeezed. Large bubbles are discharged through the bubble discharge holes 203 located between the fan-shaped channels 202. The glue treated by the extrusion component 2 enters the fine screening component 1 along the coaxial path. The fine screening component 1 is a fine screen formed by the screen body 101, the screen connector 102, and the screen end 103 coaxially. The glue flows through the screen flow hole 104 penetrating the three components and flows out through the through holes evenly distributed along the axis on the outer periphery of the screen body 101, thereby achieving fine screening to remove small bubbles. The whole device removes large and small bubbles in the glue in sequence through two-stage treatment, achieving the anti-bubble effect of rotor glue filling.

[0022] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A device for preventing air bubbles in the glue filling of a rotor, characterized in that, It includes a fine screening component (1) and an extrusion component (2), which are fixedly connected and coaxially distributed. The extrusion component (2) is used to extrude the glue and squeeze out large air bubbles in the glue. The fine screening component (1) is used to finely screen the glue after the large air bubbles are squeezed out by the extrusion component (2) and remove small air bubbles in the glue.

2. The glue filling anti-bubble device for rotor as claimed in claim 1, wherein The fine screening component (1) includes a screen body (101), a screen connector (102), and a screen end (103). The screen connector (102) is fixedly disposed at one end of the screen body (101), and the screen end (103) is fixedly disposed at the end of the screen connector (102) away from the screen body (101). The screen body (101), the screen connector (102), and the screen end (103) are coaxially distributed and form a whole, which is a fine screen.

3. The glue filling anti-bubble device for rotor as claimed in claim 2, wherein The fine sieve is provided with a sieve flow hole (104) that passes through the sieve body (101), the sieve connector (102) and the sieve end (103). A number of through holes are uniformly provided on the outer periphery of the sieve body (101), and the number of through holes are evenly distributed in a circle along the axis of the sieve body (101).

4. The glue filling anti-bubble device for rotor as claimed in claim 1, wherein The extrusion component (2) includes an extrusion body (201) and an extrusion connector (204). The extrusion connector (204) is fixedly disposed on one side of the extrusion body (201). The extrusion connector (204) and the extrusion body (201) are coaxially distributed and integrally formed.

5. The glue filling anti-bubble device for rotor as claimed in claim 4, wherein, The extrusion body (201) is provided with a number of fan-shaped channels (202) and bubble discharge holes (203). The cross-section of the fan-shaped channel (202) is fan-shaped. The fan-shaped channels (202) are evenly distributed around the axis of the extrusion connector (204). The bubble discharge holes (203) are located between any two fan-shaped channels (202).

6. The glue filling anti-bubble device for rotor as claimed in claim 4, wherein The extrusion connector (204) has an extrusion flow hole (205) on one side, and the extrusion flow hole (205) passes through the extrusion connector (204) and the extrusion body (201).

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