Multi-Finger Adhesive Pad Applicator for Precise Vehicle Sealing
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Solution Overview
Problem
Existing devices for depositing adhesive pads on motor vehicle elements suffer from imprecise positioning, bulkiness, and inefficiency in handling multiple openings of varying sizes, leading to poor sealing and potential damage to the vehicle.
Innovation Solution
A device with an elongated support and flexible mounting members, featuring multiple fingers with adjustable positioning and actuation, allows precise placement of adhesive pads on motor vehicle elements, optimizing the deposition process and accommodating various opening sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single finger with suction cup is used to deposit adhesive pads, then the device structure is simple, but the device cannot efficiently handle multiple openings of different sizes and requires multiple cycles
Solution Approach 1:
The device divides the single deposition function into multiple independent fingers (at least three fingers), each capable of holding and depositing adhesive pads. This segmentation allows parallel operation on multiple openings simultaneously, dramatically improving productivity while maintaining reasonable structural complexity through modular design.
Solution Approach 2:
Each finger is designed with universal functionality to handle different types of adhesive pads (different sizes, shapes) through the suction cup mechanism. The fingers can be selectively positioned to deposit on various openings across the motor vehicle element, making the device adaptable to multiple deposition scenarios without requiring specialized tools for each opening type.
2Manufacturing precision
If the device moves together with the motor vehicle element on the assembly line, then the device is compact, but the positioning of the finger and adhesive pad relative to the opening is approximate leading to poor sealing
Solution Approach 1:
The device incorporates dynamic positioning capabilities where fingers can be independently moved and positioned relative to the motor vehicle element. The support structure allows fingers to be displaced to precise locations, enabling accurate alignment with openings even when the overall device moves with the assembly line. This dynamic adjustment ensures precise sealing without requiring the entire device to be stationary.
Solution Approach 2:
The patent replaces approximate mechanical positioning with more precise positioning mechanisms, potentially incorporating sensors or control systems that enable accurate finger placement relative to openings. This substitution transforms the positioning from a rough mechanical alignment to a precision-controlled process, ensuring proper sealing accuracy.
3Productivity
If fingers are arranged radially like propeller blades, then multiple adhesive pads can be held simultaneously, but the radial arrangement creates bulk that hinders movement and may cause damage to the motor vehicle element
Solution Approach 1:
Instead of arranging fingers radially in a plane (2D arrangement creating bulk), the device positions fingers along the longitudinal axis of the support (1D linear arrangement). This dimensional change eliminates the radial bulk that could damage the motor vehicle element while maintaining the capability to hold multiple adhesive pads simultaneously. The linear arrangement allows fingers to be distributed along the length of the support without creating lateral interference.
Data Source
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AI summary
The invention relates to a device (1) for depositing at least one adhesive pad onto a component of a motor vehicle. This device (1) comprises: - a support (2) for being attached to the articulated arm (3) of a robot; - a plurality of fingers (4), movable relative to the support (2), comprising a receiving means (5) for an adhesive pad to be deposited and at least one active finger (4); - mounting means (6) for the fingers (4) moving relative to the support (2); - drive means (7) for the mounting means (6) moving relative to the support (2). This device (1) is characterized in that: - the support (2) has an elongated shape and at least one proximal end (20); - said at least one active finger (4) protrudes from said at least one proximal end (20) of the support (2).