Automatic Nail Feed Structure for Smooth Collating Strip Transport
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Solution Overview
Problem
Conventional automatic nail delivery devices experience issues with the smooth transportation of collating strips due to relative movement between the carrier seat and inner box, leading to the collating strip being pulled and shifted, affecting the delivery process.
Innovation Solution
The automatic nail delivery device incorporates a guide rod, base, push pulley, drive mechanism, and push spring, which synchronize the movement of the collating strip with the base, ensuring smooth transportation by using a ratchet structure and reset spring to control the unidirectional rotation of the push pulley, and a drive belt part to maintain alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the carrier seat and inner box move relative to each other during operation, then the electric drill can drive out nails from the collating strip, but the collating strip holder moves relative to the inner box causing the collating strip to be tugged and shifted
Solution Approach 1:
A guide rod is introduced as an intermediary component that extends from the electric drill through the carrier seat into the inner box. This guide rod serves as a fixed reference that prevents relative movement between the carrier seat and inner box during operation, thereby eliminating the tugging and shifting of the collating strip while still allowing the nail driving function to operate
Solution Approach 2:
The base is designed to be linearly movable within the casing, moving from a ready position to a nail position while the guide rod remains fixed. This dynamic design allows the base to follow the fixed path defined by the guide rod, ensuring synchronized movement and preventing collating strip misalignment during the nail delivery process
2Ease of operation
If the collating strip is mounted through the collating strip holder and inner box, then nails can be delivered, but the relative movement causes the collating strip to be pulled and shifted affecting delivery progress
Solution Approach 1:
The guide rod acts as a mediator that establishes a fixed spatial relationship between the carrier seat and inner box. By extending through both components, it ensures that the collating strip maintains consistent alignment as it passes through the system, preventing pulling and shifting while allowing easy mounting
Solution Approach 2:
The guide rod is pre-installed in a fixed position before operation begins. This preliminary positioning establishes the correct alignment path for the collating strip, ensuring that when the strip is mounted and the base moves, the strip follows the predetermined accurate path without deviation
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 ensures synchronized movement of the collating strip, preventing pulling and enhancing the smooth delivery of nails, improving operational efficiency and reducing the risk of misalignment during nail locking.
Implementation Method 1
a push spring, capable of pushing the base from the nail position back to the ready position
Implementation Method 2
The reset spring is mounted on the push pulley and is connected to the drive arm
Implementation Method 3
The ratchet structure is mounted in the base and is connected to the push pulley, and the ratchet structure is capable of limiting the push pulley to rotate unidirectionally
Data Source
AI summary
An automatic nail delivery device is mounted on an electric drill and is provided with a collating strip. The automatic nail delivery device has a casing, a base being movable relative to the casing, a guide rod mounted at the front of the electric drill, a push pulley mounted in the base and driving the collating strip, a drive mechanism, and a push spring mounted between the base and the casing and being capable of resetting the base. The collating strip can be mounted through the drive belt part at the bottom of the base and passed through the push pulley to the nail delivery port of the base. By the structural design of the drive belt part of the base, in the process of moving the casing and the base of the automatic nail delivery device, the drive belt part will move in synchronization with the base.