Screw Dispensing Device With Elastic Segmentation
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Solution Overview
Problem
Screws are easily dropped from magnetic screwdrivers due to their small size, posing a challenge in industrial manufacturing where efficient and secure handling and dispensing are necessary.
Innovation Solution
A screw holding and dispensing device featuring a casing with elastic members and a pressing member, where screws are securely held in receiving spaces and can be released and guided into screw holes using a cone-shaped pressing member and guiding mechanism, ensuring controlled dispensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If screws are held by a magnetic screwdriver, then the screws can be held without additional mechanical structures, but the screws are easily dropped due to their small size
Solution Approach 1:
The device divides the holding function into multiple independent elastic members (first, second, third elastic members), each capable of holding screws independently in separate receiving spaces. This segmentation allows each elastic member to securely retain screws through individual elastic deformation, preventing the dropping issue while maintaining relatively simple overall structure.
Solution Approach 2:
The elastic members utilize dynamic elastic deformation to adapt to screw insertion and retention. The pressing member dynamically compresses the elastic members to release screws when needed. This dynamic mechanism provides reliable screw retention during storage and controlled release during dispensing, resolving the contradiction between simple structure and reliable retention.
2Volume of stationary object
If multiple screws are stored in a compact device, then space is efficiently utilized, but the screws may interfere with each other during dispensing
Solution Approach 1:
The device creates separate receiving spaces for different screws using distinct elastic members (first, second, third elastic members). Each receiving space is isolated, preventing screw interference during storage and dispensing. The pressing member can selectively compress individual elastic members to dispense specific screws without affecting others, maintaining ease of operation despite compact volume.
Solution Approach 2:
Each receiving space is designed with specific local characteristics tailored to different screw types and sizes. The elastic members have varying positions and orientations (first elastic member vertical, second and third at angles) to optimize local retention and release characteristics for different screws, enabling efficient compact storage while maintaining smooth dispensing operations.
3Extent of automation
If a pressing mechanism is added to control screw release, then controlled dispensing is achieved, but the device structure becomes more complex
Solution Approach 1:
The pressing member combines multiple functions into a single component: it compresses elastic members to release screws, guides screws into the fourth receiving space, and can selectively act on different elastic members. This merging of functions achieves automated controlled dispensing while minimizing the increase in overall structural complexity.
Solution Approach 2:
The pressing member serves as a universal control element that can interact with multiple elastic members (first, second, third) and perform multiple operations (compressing, guiding, releasing). This multi-functionality enables controlled dispensing of different screw types through a single mechanism, achieving automation without proportionally increasing device complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device effectively prevents screws from being dropped and ensures secure handling and controlled dispensing, enhancing operational efficiency in industrial manufacturing by maintaining screws within the device until intentional release.
Implementation Method 1
a number of elastic members 20 are latched on an inner sidewall of the casing 10. Each of the elastic members 20 defines a receiving space 21
Implementation Method 2
When releasing the screw 2, a user can apply an external force on the pressing member 30. The pressing member 30 is driven to move out of the top elastic member 20 by the external force, the pressing member 30 moves down, and drives a below screw 2 to move out of the corresponding elastic member 20
Data Source
AI summary
A screw holding and dispensing device includes a casing, a number of elastic members latched on an inner sidewall of the casing, and a pressing member received by the elastic member. Each elastic member carries a screw, to release a screw, an external force is applied on the pressing member, the pressing member is driven to move out of the top elastic member, the pressing member moves down and drives out the lowermost screw from the bottom elastic member, and the screw slides into a corresponding screw hole.