Heat Treatment Furnace Sliding Unit with Intermediate Member
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Solution Overview
Problem
In heat treatment furnaces, the upper plate member has difficulty moving easily above the lower plate member due to high sliding resistance, which hampers the efficient movement and treatment of objects.
Innovation Solution
The introduction of an intermediate member between the lower and upper plate members, with specific design features such as reduced porosity, increased bending strength, and use of ceramics like TiB2 or Cr2O3, reduces the sliding resistance between the upper and intermediate members, allowing smoother movement of the upper plate member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the upper plate member directly contacts the lower plate member, then the structure is simple, but the sliding resistance is high making movement difficult
Solution Approach 1:
An intermediate member is introduced between the upper plate member and the lower plate member to act as a mediator. This intermediate member has a sliding surface with low sliding resistance that contacts the lower plate member, while another sliding surface contacts the upper plate member. This intermediary component resolves the contradiction by enabling easy movement without requiring direct contact between the upper and lower plate members, thus maintaining structural simplicity while achieving the desired ease of operation.
2Productivity
If the upper plate member moves directly on the lower plate member, then the device structure is simple, but the sliding resistance is high causing movement difficulty
Solution Approach 1:
The intermediate member serves as a mediator with sliding surfaces designed to reduce friction. The first sliding surface of the intermediate member contacts the lower plate member with low sliding resistance, and the second sliding surface contacts the upper plate member. This intermediary structure enables smooth movement of the upper plate member, directly improving productivity by allowing efficient movement and treatment of objects without the movement difficulties caused by high sliding resistance.
Data Source
AI summary
A heat treatment furnace may include: a furnace body including an entrance and an exit; a lower plate member disposed in the furnace body; an upper plate member disposed above the lower plate member, wherein the upper plate member is configured to allow the plurality of objects stacked in an up-down direction to be placed thereon; an intermediate member interposed between the lower plate member and the upper plate member in the up-down direction and attached to the lower plate member; and a pusher configured to push the upper plate member forward from the entrance toward the exit. The upper plate member may move forward above the lower plate member. A sliding resistance between the upper plate member and the intermediate member may be smaller than a sliding resistance between the upper plate member and the lower plate member.