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In-mould assembly method

A technology of in-mold assembly and master mold, which is applied in the direction of household components, household appliances, and other household appliances, can solve the problems that the production capacity and yield rate cannot meet the expected goals, the cost of enterprises cannot be greatly reduced, and the quality of assembly personnel is uneven. The effect of overcoming the unevenness of quality, eliminating technical issues in factory space, and simplifying the manufacturing process

Inactive Publication Date: 2012-07-18
蔡佳静
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And a notebook computer is equipped with more than a hundred buttons, and the annual output of domestic notebook computers is even more than ten million units. If the above-mentioned traditional inner and outer cutting injection molding is used, and then the operation method of manual assembly is applied, not only The assembly efficiency cannot be effectively improved, and a large amount of manual assembly costs is the key to the fact that the cost of the enterprise has not been greatly reduced until today; moreover, the internal and external cutting of the scissors is manually assisted by mechanical arm assembly, and it is easy to be assembled by the assembly personnel. The quality varies from good to bad, resulting in the failure of production capacity and yield to meet the expected goals

Method used

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Embodiment Construction

[0020] The present invention provides an in-mold assembly method. The in-mold assembly technology is mainly used in the field of plastic products with a wide range of applications. Those who need to be further understood and implemented accordingly, the schematic example is described in detail with the scissor feet used to support the keycap of the keyboard, but it is not intended to limit the in-mold assembly technology, it is only applied to the scissor foot structure, and it will be described first .

[0021] first as Figure 1A-1D As shown, the in-mold assembly method of the present invention is applied to the main structure of scissors plastic products including:

[0022] At least two female molds, the first female mold 10 and the second female mold 20, the first female mold 10 is set inside the injection machine (not shown in the figure), and the second female mold 20 is set at a preset distance Inject the direction end of the screw on the outside of the injection mach...

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Abstract

The invention discloses an in-mould assembly method, which mainly comprises the following steps: arranging first and second female dies inside and outside an injection table; arranging a male die with double die surfaces between the two female dies; closing the three dies, pouring plastic, ensuring saturation pressure and opening the die, then taking the middle male die out and quickly advancing the first and second female dies to form the die closing program of the two female dies, and quickly finishing the assembly of the two plastic members formed in the first and second female dies when opening the dies for the first time in the mould when closing the two female dies so as to obtain an expected plastic product. The in-mould assembly method provided by the invention gets rid of a plurality of processes for manual assembly, simplifies the manufacturing process, solves the technical problem of large factory building space needed by the plurality of processes, greatly reduces the labour cost so as to have the advantages of meeting the market competition and economic benefit, and solves the problems of poor assembly efficiency and low rate of qualified product caused by different capacities of the staff.

Description

technical field [0001] The invention relates to an assembly technology, in particular to an in-mold assembly method that can greatly improve assembly speed and efficiency. Background technique [0002] At present, the necessities of daily life, in order to achieve the goals of light weight and low cost, plastic raw materials are widely used in large quantities, and plastic products are molded through mature injection molding technology. Plastic parts still need to be collected through centralized storage , Simple packaging, and transfer to the production line for assembly will virtually increase the working space, and the multi-channel assembly process outside the mold will lead to complicated and time-consuming technical issues, which are quite inconsistent with market competition rules and economic benefits. [0003] The scissor legs (or frog legs) are used to support the bottom of the key cap of the notebook computer key. The current manufacturing method also uses the abo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C69/00B29C45/26B29C45/40B29C65/02B29L31/00B29L31/34
Inventor 蔡佳静
Owner 蔡佳静
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