Servo Drill and Insertion System for Blind Attachments
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Solution Overview
Problem
Current methods for attaching blind attachments to extruded rubber seals are inefficient as they involve sequential drilling and pinning operations, which slow down the process.
Innovation Solution
A system comprising a linear drive servo drill and an insertion device that drills holes and inserts blind attachments simultaneously as the seal member moves along a predetermined path, utilizing a drive belt to coordinate the motion of the servo drill with the seal member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If sequential drilling and pinning operations are used, then each operation can be performed with simple equipment, but the production time increases and efficiency decreases
Solution Approach 1:
The patent combines the drilling operation and pinning operation into a single integrated apparatus. The drill assembly and pinning assembly are positioned one above the other, allowing both operations to be performed on the same workpiece during a single pass through the apparatus, eliminating the time loss between sequential operations.
Solution Approach 2:
The apparatus enables continuous production by maintaining constant motion of the workpiece through the system. The feed mechanism continuously advances the workpiece while the drill and pinning operations occur simultaneously, ensuring that the useful action (processing) continues without interruption or idle time between operations.
2Productivity
If drilling and pinning are performed simultaneously, then production time is reduced, but the device complexity increases
Solution Approach 1:
The apparatus is divided into distinct functional modules: a drill assembly for hole formation, a pinning assembly for attachment insertion, and a feed mechanism for workpiece advancement. Each module performs a specific function and can be independently controlled, which manages complexity by organizing functions into separate, manageable segments rather than a monolithic system.
Solution Approach 2:
The apparatus serves multiple functions within a single integrated system: it drills holes, inserts blind attachments (pinning), and advances the workpiece continuously. This multi-functionality consolidates what would otherwise require separate machines into one apparatus, reducing overall system complexity while maintaining high productivity.
Data Source
AI summary
An improved system for inserting blind attachments has an entry point and an exit point for a seal. The seal enters by way of the entry point and continues its guided course by being moved by a pair of servo pullers. A linear drive servo drill makes a first hole into the seal and, as the seal is moved by the servo pullers, the first hole is in position to have a blind attachment inserted therethrough byway of an insertion tool. At the same time that the blind attachment is inserted, a second hole is made in the seal by having the servo drill moved at the appropriate location.