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Method for motor vacuum injection molding operation

A mold injection and vacuum technology, which is applied in the field of vacuum mold injection of motors, can solve the problems of lower thermal conductivity of mold injection glue and unstable heat dissipation effect, and achieve the effect of improving heat dissipation effect, stable thermal conductivity coefficient, and lower motor temperature

Inactive Publication Date: 2014-10-08
TAICANG TECO MICRO MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The defect of this method is that: because there are many fine air bubbles in the mold injection glue, the thermal conductivity coefficient of the mold injection glue as a whole is reduced, and the heat dissipation effect is unstable, and the motor injection method in the prior art does not remove these fine air bubbles.

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  • Method for motor vacuum injection molding operation
  • Method for motor vacuum injection molding operation

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Embodiment Construction

[0012] In order to further understand the present invention, the preferred embodiments of the present invention are described below in conjunction with examples, but it should be understood that these descriptions are only to further illustrate the features and advantages of the present invention, rather than limiting the claims of the present invention.

[0013] see figure 1 and figure 2 , a method for motor vacuum injection molding operation, comprising the following steps: A). First, put the motor stator group into an oven to bake for preheating; B). After the preheating is completed, take the motor stator group out of the oven, and then The injection molding glue is poured into the motor stator. In this embodiment, the injection molding glue is epoxy resin; C). Then the motor stator is placed in a vacuum bucket, and the injection molding glue of the motor stator core is Drain the air inside; D). Finally, put the motor stator after vacuuming into the oven for drying.

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Abstract

The invention discloses a method for motor vacuum injection molding operation, comprising the following steps: (A) a motor stator group is put in an oven for baking and preheating; (B) after preheating is completed, the motor stator group is taken out of the oven, and then injection molding glue is poured into motor stators; (C) the motor stators stand in a vacuum barrel, and air in the injection molding glue of motor stator cores is pumped; and (D) the vacuum-pumped motor stators are put in the oven for drying. According to the method for motor vacuum injection molding operation, air in the injection molding glue is pumped based on the vacuum principle. Therefore, the heat conduction coefficient of injection molding glue is stable, the motor temperature is reduced, and the heat dissipation effect is improved.

Description

technical field [0001] The invention relates to the field of motor equipment, in particular to a method for vacuum molding operation of a motor. Background technique [0002] At present, liquid epoxy is poured between the stator coil and the motor casing in the motor, and it is encapsulated by high temperature or high temperature curing. By pouring liquid epoxy with high thermal conductivity between the motor shell and the stator coil for curing and encapsulation, the withstand voltage and insulation of the stator are increased, and the heat dissipation effect of the stator is better, which is beneficial to the heat dissipation of high-power devices. [0003] The motor injection molding method in the prior art generally includes the following steps: 1. Put the motor stator group into the oven to bake and preheat; 2. After the preheating is completed, take it out of the oven, and pour mold glue into the motor stator; 3. Put the frame and stator assembly filled with molded gl...

Claims

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Application Information

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IPC IPC(8): H02K15/12
Inventor 张胜利邱有福
Owner TAICANG TECO MICRO MOTOR