Vacuum cleaner shell soft positioning type injection molding technology

A vacuum cleaner and positioning technology, applied in the coating and other directions, can solve the problems of high surface roughness, low strength and low efficiency of the injection molding process of the finished product, and achieve the effect of reducing the unevenness of the outer surface, improving the quality and improving the injection molding efficiency.

Active Publication Date: 2020-09-11
苏州博琪海电器有限公司
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Problems solved by technology

[0007] When the shell of the vacuum cleaner is injected, due to the existence of some tiny air bubbles inside the molten material, after entering the mold cavity, the air bubbles will gradually overflow outwards and attach to the inner wall of the mold cavity. When the air bubbles attached to the inside burst, certain The impact of the impact force leads to a

Method used

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  • Vacuum cleaner shell soft positioning type injection molding technology
  • Vacuum cleaner shell soft positioning type injection molding technology
  • Vacuum cleaner shell soft positioning type injection molding technology

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[0033] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0034] As attached figure 1 The soft positioning type injection molding process for a vacuum cleaner housing according to the present invention is shown, and the soft positioning type injection molding process for a vacuum cleaner housing includes the following steps:

[0035] S1. First, weigh the raw materials required for the preparation of the vacuum cleaner shell in proportion and mix them evenly;

[0036] S2. The mixed raw materials are added to the reactor for high-temperature melting treatment, and stirring is continuously performed during the melting process to obtain a molten material;

[0037] S3. Under the action of the plastic injection machine, the molten material is passed into the soft positioning and non-marking mold through the injection port, and then sucked outward through the radiation channel, thereby guiding the bubbles in the molten mat

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Abstract

The invention relates to a vacuum cleaner shell soft positioning type injection molding technology, and belongs to the technical field of injection molding. According to the vacuum cleaner shell softpositioning type injection molding technology, after a molten material is injected into a soft positioning traceless die, fine bubbles inside the molten material move to the inner wall, close to an upper die body, of a reverse die cavity in a concentrated mode under the suction force guide effect of an ejection channel and a bubble guide layer, so that few bubbles or even no bubbles are gathered on the inner wall, close to a lower die body, of the reverse die cavity, the uneven outer surface phenomenon of a finally obtained vacuum cleaner shell finished product is remarkably reduced because the uneven phenomenon caused by the bubbles is concentrated on the inner surface of the finished product, then the time for grinding the outer surface of the vacuum cleaner shell finished product is effectively saved, and the overall injection molding efficiency is improved. Besides, after the small bubbles are discharged, the phenomenon of holes generated due to the bubbles in the vacuum cleaner shell finished product can also be effectively reduced, and therefore the quality of the vacuum cleaner shell finished product is effectively improved.

Description

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Claims

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Application Information

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Owner 苏州博琪海电器有限公司
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