Static Vacuum Welding Chamber Layout for Fast, Precise Sheet Joining
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Solution Overview
Problem
Existing vacuum welding furnaces face challenges in achieving high qualification rates and welding speed due to space constraints, inaccurate alignment of workpieces during transportation, and low automation levels, particularly in fixed furnaces where high temperatures lead to slow cooling and increased oxidation risks.
Innovation Solution
A static vacuum welding furnace with a feeding and discharging device, transfer device, and modular welding chambers that allow for automatic material handling, independent operation of welding chambers, and efficient cooling systems to enhance welding speed and quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a passing-continuous vacuum welding furnace is used to meet welding speed requirements, then welding speed is improved, but the equipment occupies large space and alignment precision deteriorates
Solution Approach 1:
The welding furnace is divided into multiple independent welding chambers (first welding chamber, second welding chamber, etc.) that can operate simultaneously. Each chamber is a separate module with its own heating and vacuum systems, allowing parallel processing of multiple workpieces without requiring a long continuous furnace structure.
Solution Approach 2:
Instead of extending the furnace in one dimension (length) to achieve higher throughput, the invention arranges multiple welding chambers in a two-dimensional layout (side by side), converting the throughput increase from a one-dimensional extension to a two-dimensional arrangement, thus reducing the overall equipment footprint.
2Productivity
If workpieces are transported through a passing-continuous furnace to improve welding speed, then productivity is improved, but alignment precision of workpiece parts deteriorates
Solution Approach 1:
The welding process is segmented into separate stationary chambers, eliminating the need for continuous workpiece transportation. Each workpiece remains stationary in its designated chamber during welding, ensuring precise alignment of parts without the disturbances caused by movement through multiple heating zones.
Solution Approach 2:
Each welding chamber is equipped with independent heating and vacuum systems that can operate autonomously. The workpiece is processed in place within its chamber without requiring external transportation mechanisms, thereby maintaining alignment precision while achieving high throughput through parallel chamber operation.
3Productivity
If a fixed vacuum welding furnace operates at high temperature to complete welding quickly, then welding speed is improved, but cooling time increases and oxidation risk rises
Solution Approach 1:
The thermal management system is segmented into independent heating and cooling subsystems within each welding chamber. The cooling system can immediately activate in each chamber after welding completes, without waiting for the entire furnace to cool down, thereby reducing total cooling time and enabling faster batch processing.
Solution Approach 2:
While one welding chamber is undergoing cooling, other chambers can simultaneously perform heating and welding operations. This continuous operation ensures that the cooling process does not become a bottleneck, maintaining high productivity while reducing the effective cooling time for each individual workpiece through parallel processing.
4Manufacturing precision
If automation level is increased in fixed welding furnaces to improve qualification rate, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The automation system is divided into independent control units for each welding chamber, with each unit managing its own heating, vacuum, and cooling processes. This modular automation approach achieves high qualification rates through precise control while avoiding the complexity of a centralized automated system by distributing control functions across multiple simple, independent units.
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 solution enables high automation, rapid welding, and improved qualification rates by ensuring precise alignment and quick cooling of material sheets within the static vacuum environment, addressing the limitations of existing technologies.
Implementation Method 1
a workpiece is placed in the welding furnace and heated to a specified temperature
Implementation Method 2
the workpiece needs to be cooled to a specified temperature before the welding furnace is turned on
Implementation Method 3
a vacuum welding furnace performs high-quality welding on products in a vacuum environment
Data Source
AI summary
A static vacuum welding furnace is provided. The device is characterized in that a plurality of welding chambers are arranged side by side at intervals; cover closing devices are connected to the welding chambers and drive the welding chambers to be opened or closed; a feeding and discharging device is arranged on one sides of the welding chambers; a transfer device is arranged between the feeding and discharging device and all the welding chambers; all the welding chambers are connected with heating devices and cooling devices; a material sheet pushing-in device and a material sheet pushing-out device are each arranged on two sides of a material sheet positioning device; and a space for containing a material box is formed between the material sheet pushing-out device and the material sheet positioning device. The static vacuum welding furnace can simultaneously weld a plurality of material sheets.