Welding Apparatus Tool-Free Arm Release Mechanism
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Solution Overview
Problem
Existing welding apparatuses require external tools, such as an Allen wrench, for temporary arm release, leading to inefficiencies and interruptions during welding operations due to the need to manage and retrieve the tool.
Innovation Solution
A welding apparatus with a device that allows temporary release of one arm without external tools, utilizing a hollow axially symmetrical body and a lever that can be rotated to change the body's angular position, allowing the arm to be moved and spaced without tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an Allen wrench is used for arm release, then accidental activation is avoided, but operational interruptions occur due to tool retrieval
Solution Approach 1:
The release function is merged into the apparatus itself by integrating a lever mechanism directly onto the housing. The lever (11) with terminal portion (11a) and interlocking seat (12) creates a self-contained release system that eliminates the need for external Allen wrenches, allowing operators to release the arm without leaving the welding position.
Solution Approach 2:
The apparatus performs its own release function through the integrated lever mechanism. The lever can be manually actuated by the operator to rotate the body (8) and move the axial portion (8a) out of the arm's rotational path, enabling the arm to be released without external tools or assistance.
2Reliability
If an Allen wrench is required for release, then safety against accidental release is improved, but ease of operation deteriorates
Solution Approach 1:
The release function is merged into the apparatus itself by integrating a lever mechanism directly onto the housing. The lever (11) with terminal portion (11a) and interlocking seat (12) creates a self-contained release system that eliminates the need for external Allen wrenches, allowing operators to release the arm without leaving the welding position.
3Device complexity
If external tools are used for release, then device complexity is reduced, but loss of time increases due to tool management
Solution Approach 1:
The release function is merged into the apparatus itself by integrating a lever mechanism directly onto the housing. The lever (11) with terminal portion (11a) and interlocking seat (12) creates a self-contained release system that eliminates the need for external Allen wrenches, allowing operators to release the arm without leaving the welding position.
Data Source
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AI summary
A welding apparatus, comprising a main unit (2) which supports, optionally indirectly, a first electrode (3a) and a second electrode (3b) which can be crossed by an electric current in order to perform welding treatments. A device (6) for the temporary release of a supporting arm (7) of the first electrode (3a) is associated with the unit (2) and is selectively activatable to temporarily allow the movement of the arm (7). The device (6) comprises a hollow axially symmetrical body (8), which is supported by the unit (2) with the possibility of axial rotation at least between a first angular position, in which, with at least one axial portion (8a) thereof, it is arranged so as to interfere with the rotation of the arm (7), and a second angular position, in which a window (10) provided along the lateral surface of the portion (8a) is arranged along the rotational trajectory of the arm (7), in order to allow the movement of the arm (7). The device (6) further comprises a lever (11) for the actuation of the body (8), which can slide at least between a first configuration, in which it is accommodated in a parallel manner in the body (8), and a second configuration, in which it protrudes from the body (8) and a terminal portion (11a) thereof is retained rotatably by the body (8). The body (8) has a seat (12) which is configured for interlocking coupling with the lever (11), arranged in the second configuration and rotated, about the terminal portion (11a) and with respect to the condition of parallel arrangement with the body (8), up to a predefined arrangement, for the actuation of the rotation of the body (8) between the angular positions by means of the movement of the lever (11).