Resin Sealing Loader Layout for Parallel Mold Infeed and Outfeed
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Solution Overview
Problem
Conventional resin sealing devices face productivity issues due to the need for sequential processes of carrying a workpiece into a sealing mold and carrying a molded product out, which increases takt time and reduces efficiency, especially when multiple press units are involved.
Innovation Solution
A resin sealing device with a loader that reciprocates in a left-right direction, featuring an in-loader section for carrying the workpiece into the sealing mold and an out-loader section for carrying the molded product out, allowing for parallel arrangement and efficient handling of both processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single loader is used to carry both workpiece and molded product sequentially, then device complexity is reduced, but productivity decreases due to increased takt time
Solution Approach 1:
The loader is divided into two independent sections: an in-loader section for carrying workpieces into the sealing mold and an out-loader section for carrying molded products out. This segmentation allows parallel operation of workpiece loading and product unloading, eliminating the sequential bottleneck and reducing takt time without requiring multiple complete loaders.
Solution Approach 2:
The in-loader section and out-loader section are arranged in parallel along the left-right direction rather than sequentially in the front-rear direction. This spatial reconfiguration enables simultaneous carry-in and carry-out operations, improving productivity while maintaining a compact device footprint.
2Productivity
If workpiece holding mechanism and molded product holding mechanism are arranged side by side in front-rear direction, then productivity is improved, but device length increases due to overhang on cantilever support
Solution Approach 1:
The holding mechanisms are arranged in parallel along the left-right direction instead of sequentially in the front-rear direction. This dimensional change reduces the loader's length in the front-rear direction while maintaining parallel handling capability, eliminating the overhang issue on cantilever support structures.
3Productivity
If workpiece holding mechanism and molded product holding mechanism are arranged on upper and lower surfaces, then parallel handling is enabled, but mold opening/closing time increases due to increased separation distance
Solution Approach 1:
The holding mechanisms are positioned side by side in the left-right direction rather than stacked vertically on upper and lower surfaces. This spatial arrangement maintains parallel handling capability while minimizing the separation distance between mechanisms, ensuring that mold opening and closing operations are not delayed.
Data Source
AI summary
A resin sealing device seals a workpiece with resin and processes it into a molded product using a press device including a sealing mold having an upper die and a lower die. The resin sealing device includes a loader that reciprocates in the left-right direction along a guide and that conveys the workpiece and the molded product, wherein the loader has: an in-loader section that is configured so as to be able to move in the front-rear direction and that carries the workpiece into the sealing mold; and an out-loader section that is configured so as to be able to move in the front-rear direction and that carries the molded product out of the sealing mold, the in-loader section and the out-loader section being arranged in parallel in the left-right direction.