A glue-filling device for motor winding assembly

Abstract

This utility model discloses a glue-filling device for a motor winding assembly, comprising: a base, a mold base, a mold sleeve, a mold core column, and an annular piece. The mold base is disposed above the base, the mold sleeve is vertically disposed on the mold base, and the mold core column is concentrically disposed within the mold sleeve, with an annular cavity corresponding to the motor winding assembly formed between the outer wall of the mold core column and the inner wall of the mold sleeve. The annular piece is disposed within the annular cavity, and a lifting seat is disposed below the mold base. A top rod extending downward to the lifting seat is disposed at the bottom of the annular piece. The glue-filling device for the motor winding assembly of this utility model uses the mold core column for center positioning of the motor winding assembly. Initially, the mold core column is in a low position, allowing epoxy resin to be applied from the top of the mold core column outwards to seal the lower part of the motor winding assembly. As the mold core column rises, the upper part is gradually sealed, reducing air bubbles and improving demolding convenience.

Description

Technical Field

[0001] This utility model relates to the field of motor manufacturing technology, and in particular to a glue-filling device for motor winding assemblies. Background Technology

[0002] To improve the waterproof and insulation performance of the motor winding assembly, it is possible to pot the motor winding assembly with adhesive, such as using insulating and waterproof epoxy resin adhesive, to improve the motor's adaptability to the operating environment.

[0003] The structure of the motor winding assembly is complex. When using epoxy resin to pot the motor winding assembly from top to bottom, air bubbles are bound to be generated. Therefore, it is possible to consider potting the glue from the bottom of the motor winding assembly. However, this method is difficult to implement and does not facilitate demolding, so it needs to be improved. Utility Model Content

[0004] The purpose of this invention is to provide a glue-pouring device for motor winding assemblies, which reduces the problem of air bubbles during the glue-pouring process and improves the ease of demolding.

[0005] To achieve this objective, the present invention adopts the following technical solution: A glue-filling device for a motor winding assembly includes: a base, a mold base, a mold sleeve, a mold core column, and an annular piece. The mold base is disposed above the base, the mold sleeve is vertically disposed on the mold base, the mold core column is concentrically disposed in the mold sleeve and can be raised and lowered, and an annular cavity corresponding to the motor winding assembly is formed between the outer wall of the mold core column and the inner wall of the mold sleeve. The annular piece is disposed in the annular cavity and can be raised and lowered. A lifting seat is disposed below the mold base, and a top rod extending downward to the lifting seat is disposed at the bottom of the annular piece.

[0006] The base is equipped with a first hydraulic cylinder that is connected to the lifting seat.

[0007] The top surface of the ring piece, the outer wall of the mold core column, and the inner wall of the mold sleeve are coated with polytetrafluoroethylene.

[0008] The lifting seat is equipped with a second hydraulic cylinder that is connected to the mold core column.

[0009] The mold base is provided with a first through hole corresponding to the mold core post, and a first sealing ring is provided in the first through hole.

[0010] The second sealing ring is provided on the outer circle of the ring plate, and the second sealing ring is provided in the inner hole of the ring plate.

[0011] The mold base is symmetrically provided with second through holes that correspond one-to-one with the ejector pins.

[0012] The base is provided with a support bracket to support the mold base.

[0013] The beneficial effects of this utility model are as follows: A motor winding assembly potting device uses a core column to center the motor winding assembly. The core column is in a low position at the beginning of the potting process, allowing epoxy resin to be applied from the top of the core column outwards to seal the lower part of the motor winding assembly. As the core column rises, the upper part is gradually sealed, reducing the problem of air bubbles. During demolding, the core column is first lowered to separate from the motor winding assembly, and then the ring plate is raised to separate the mold sleeve from the motor winding assembly, improving the convenience of demolding. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 yes Figure 1 A schematic diagram of the rising process of the mold core pillar (pouring); Figure 3 yes Figure 2 A top view of the mold core pillar descending and the ring piece rising (demolding). Detailed Implementation

[0015] The following is combined Figures 1 to 3 The technical solution of this utility model will be further illustrated through specific embodiments.

[0016] like Figure 1 The shown motor winding assembly potting device is used for potting, sealing and demolding of the motor winding assembly 8. It includes: a base 1, a mold base 5, a mold sleeve 9, a mold core column 7 and a ring plate 6. The mold base 5 is set above the base 1. The base 1 is provided with a bracket 10 to support the mold base 5. It can be fixed by screw connection and is easy to disassemble and assemble.

[0017] The mold sleeve 9 is vertically mounted on the mold base 5. The mold sleeve 9 and the mold base 5 can be made of an integrated steel structure, which has high strength. The mold core 7 is concentrically mounted in the mold sleeve 9 in a height-adjustable manner. In this embodiment, the mold base 5 is provided with a first through hole 15 corresponding to the mold core 7. A first sealing ring 16 is provided in the first through hole 15 to guide and seal the height adjustment of the mold core 7, avoiding leakage problems during epoxy resin potting.

[0018] like Figure 2 As shown, an annular cavity 12 corresponding to the motor winding assembly 8 is formed between the outer wall of the mold core 7 and the inner wall of the mold sleeve 9. The ring plate 6 is vertically and flexibly disposed in the annular cavity 12, and the motor winding assembly 8 is placed above the ring plate 6. In this embodiment, a second sealing ring 14 is provided on the outer circle of the ring plate 6, and a second sealing ring 13 is provided in the inner hole of the ring plate 6 to avoid leakage at the edge of the ring plate 6 during epoxy resin potting.

[0019] A lifting seat 3 is provided below the mold base 5, and a push rod 4 extending downward to the lifting seat 3 is provided at the bottom of the ring plate 6. The mold base 5 is symmetrically provided with second through holes 17 corresponding to the push rods 4 one by one for guiding the lifting of the push rods 4.

[0020] like Figure 3 As shown, a first hydraulic cylinder 2 connected to the lifting seat 3 is provided on the base 1. The first hydraulic cylinder 2 can be extended and retracted by a solenoid valve to drive the lifting seat 3 to move up and down. In this embodiment, the top surface of the ring plate 6, the outer wall of the mold core column 7, and the inner wall of the mold sleeve 9 are coated with polytetrafluoroethylene to reduce the difficulty of demolding.

[0021] like Figure 2 As shown, the lifting seat 3 is equipped with a second hydraulic cylinder 11 connected to the mold core column 7. The second hydraulic cylinder 11 can be extended and retracted by a solenoid valve to drive the lifting and lowering of the mold core column 7. Figure 1 As shown, the mold core 7 is initially positioned low during the initial potting process, allowing the epoxy resin to be applied from the top of the mold core 7 outwards to seal the lower part of the motor winding assembly 8. As the mold core 7 rises, the upper part is gradually sealed. Figure 2 As shown, this reduces the problem of air bubbles.

[0022] like Figure 3 As shown, during demolding, the mold core 7 is first separated from the motor winding assembly 8 by descending, and then the mold sleeve 9 is separated from the motor winding assembly 8 by rising the ring plate 6, thus improving the convenience of demolding.

[0023] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A motor winding assembly glue pouring device for glue pouring sealing and demolding of a motor winding assembly, characterized in that, include: The device comprises a base, a mold base, a mold sleeve, a mold core column, and an annular plate. The mold base is positioned above the base, the mold sleeve is vertically positioned on the mold base, the mold core column is concentrically and vertically positioned within the mold sleeve, and an annular cavity corresponding to the motor winding assembly is formed between the outer wall of the mold core column and the inner wall of the mold sleeve. The annular plate is vertically and vertically positioned within the annular cavity, a lifting seat is provided below the mold base, and a top rod extending downward to the lifting seat is provided at the bottom of the annular plate.

2. The motor winding assembly potting device of claim 1, wherein, The base is equipped with a first hydraulic cylinder that is connected to the lifting seat.

3. The motor winding assembly potting device of claim 1, wherein, The top surface of the ring, the outer wall of the mold core column, and the inner wall of the mold sleeve are coated with polytetrafluoroethylene.

4. The motor winding assembly potting device of claim 1, wherein, The lifting platform is equipped with a second hydraulic cylinder that is connected to the mold core column.

5. The motor winding assembly potting device of claim 1, wherein, The mold base is provided with a first through hole corresponding to the mold core post, and a first sealing ring is provided in the first through hole.

6. The motor winding assembly potting device of claim 1, wherein, A second sealing ring is provided on the outer circle of the ring plate, and a second sealing ring is provided in the inner hole of the ring plate.

7. The motor winding assembly potting device of claim 1, wherein, The mold base is symmetrically provided with second through holes that correspond one-to-one with the ejector pins.

8. The motor winding assembly potting device of claim 1, wherein, The base is provided with a bracket to support the mold base.

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