Separating Cord Adhesive Bead Cutting Device
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Solution Overview
Problem
Existing devices for cutting out a disc from a motor vehicle frame using cutting wires are complex, prone to damaging the vehicle interior, and pose a risk of injury to operators.
Innovation Solution
A device utilizing a tool unit with a vacuum suction plate, a mechanically operable winch, and a separating cord to sever the adhesive bead, which is safer and easier to operate, with a deflection roller for guiding the cord and an anchor sucker for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cutting wires are used to sever the adhesive bead, then the adhesive bead can be cut, but the vehicle interior may be damaged and operators may be injured
Solution Approach 1:
The patent introduces a separating cord as an intermediary cutting element instead of a cutting wire. The separating cord is fed through the adhesive bead and wound up on the winch, acting as a mediator that severes the adhesive bead without directly contacting the vehicle interior, thus preventing damage while maintaining cutting functionality
Solution Approach 2:
The patent replaces the traditional cutting wire mechanism with a separating cord system that uses a winch for mechanical actuation. This substitution eliminates the harmful effects of cutting wires on the vehicle interior and operators while maintaining the ability to sever the adhesive bead effectively
2Reliability
If cutting wires are used to sever the adhesive bead, then the adhesive bead can be cut, but operators may be injured
Solution Approach 1:
The separating cord serves as a safe intermediary that can be fed through the adhesive bead and controlled by the winch. Operators do not need to handle exposed cutting wires, reducing the risk of injury while still achieving effective separation of the adhesive bead
3Manufacturing precision
If a joint mechanism is used to guide the cutting wire on curved panes, then the cutting wire can run at a suitable flat angle, but the device becomes relatively complex
Solution Approach 1:
The patent extracts the complex joint mechanism from the device and replaces it with a simpler deflection roller system. The deflection roller guides the separating cord over the curved pane surface, eliminating the need for complex joint mechanisms while maintaining the ability to achieve suitable cutting angles on curved panes
Solution Approach 2:
The patent changes the geometric parameter of the guiding element from a complex joint mechanism to a simple deflection roller. This parameter change simplifies the device structure while maintaining the functional capability to guide the separating cord at appropriate angles on curved pane surfaces
4Productivity
If the separating cord is wound up quickly to improve productivity, then cutting speed increases, but control precision may be compromised
Solution Approach 1:
The patent incorporates a feedback mechanism through the winch system that allows controlled winding of the separating cord. The winch provides mechanical feedback that enables the operator to control the winding speed and tension, ensuring both high productivity and precise cutting control throughout the separation process
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 allows for safe and quick cutting of adhesive beads with minimal structural effort, preventing damage to the vehicle and reducing the risk of operator injury, while being easy to operate by a single person.
Implementation Method 1
a tool unit (1) with a vacuum suction plate (2)
Implementation Method 2
the free end of the separating cord is attached to the anchor sucker, with the separating cord being wound up on the latter by mechanical actuation of the winch, thereby severing the adhesive bead
Data Source
AI summary
The device according to the invention is used for cutting out a disc fixed in a frame by means of an adhesive bead (24) and comprises a tool unit (1) with a vacuum suction plate (2), a mechanically operated winch (9) on which a cutting cord (16) is mounted for winding and unwinding, and a deflection roller (18) for guiding the cutting cord (16). The tool unit (1) is fixed to a surface of the disc by means of the vacuum suction plate (2). Furthermore, the device according to the invention comprises an anchor suction cup (25), which is fixed to a surface of the disc, wherein the cutting cord (16) is guided through the adhesive bead (24) at least at one insertion point (29). The free end of the cutting cord (16) is attached to the anchor suction cup (25), and by mechanically operating the winch (9), the cutting cord (16) is wound onto it, thereby cutting the adhesive bead (24).