ACF Tape Adhering Device Cam-Driven Cutting Mechanism
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Solution Overview
Problem
The complexity and increased production cost of existing tape adhering devices for anisotropic conductive film (ACF) tapes are due to the necessity of actuators for cutting the ACF tapes, which complicates the device construction.
Innovation Solution
A tape adhering device with a pressing tool and a cutting device linked by a cam mechanism, where the pressing tool's lifting action relative to a fixed knife forms cuts in the ACF tape, eliminating the need for an actuator by using a swing member and a cam portion to move the forcing member relative to the knife.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If an actuator is used to reciprocate the pressing member relative to the knife member for cutting ACF tape, then the cutting function is achieved, but the device construction becomes complex and production cost increases
Solution Approach 1:
The pressing member that applies pressure to the ACF tape is merged with the cutting function by integrating the knife member. This combination allows the pressing member to serve dual purposes: applying pressure during tape adhesion and enabling cutting motion when reciprocated, thereby eliminating the need for separate actuators for cutting operations
Solution Approach 2:
The pressing member is designed to perform its own cutting function through reciprocating motion without requiring an external actuator. The pressing member itself, equipped with the knife member, executes the cutting action during its natural reciprocating cycle, making the system self-sufficient and reducing overall device complexity
2Ease of manufacture
If a separate actuator is provided for the cutting device, then precise cutting control is achieved, but the base construction becomes complex requiring additional feeding circuits
Solution Approach 1:
The pressing member is designed as a multi-functional component that performs both pressure application during adhesion and cutting operations. This universal component eliminates the need for dedicated cutting actuators and their associated feeding circuits on the base, simplifying the overall construction
3Productivity
If the pressing member is reciprocated using an actuator, then the cutting operation is automated, but the production cost increases
Solution Approach 1:
The cutting function is merged into the pressing member's existing reciprocating motion mechanism. By integrating the knife member with the pressing member, the system achieves automated cutting using the same mechanical motion already required for pressure application, eliminating additional actuator costs
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
This configuration simplifies the device construction and reduces production costs by eliminating the need for an actuator, enabling efficient cutting and adherence of ACF tape pieces to electrodes on substrates.
Implementation Method 1
the forcing member is caused to move relatively towards and away from the blade of the knife member as a result of the abutment member being lifted up and down along the cam portion
Data Source
AI summary
The pressing tool and the ACF tape cutting device are linked and connected with each other by a link device, and the forcing member is caused to move relatively towards and away from the knife member by lifting up and down the pressing tool so as to form a cut. By allowing the tool lifting device to double as a drive device for causing the forcing member to move relatively towards and away from the knife member, the necessity of the actuator of the ACF tape cutting device which is needed in the related art tape adhering device can be obviated.