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Rolling furnace port sealing structure

A kind of sealing structure, rolling technology, applied in the direction of furnace, heat treatment furnace, furnace type, etc., can solve the problems of easy damage of seals, poor sealing effect, short service life, etc., to achieve convenient use, compensation for wear and long service life. Effect

Pending Publication Date: 2019-02-15
GUANGDONG STRONG METAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a rolling type furnace mouth sealing structure with structural Simple and reasonable, fast wear and wear resistance of seals, long service life, good sealing effect, etc., widely applicable to the entrance seal of vertical bright annealing furnace

Method used

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specific Embodiment 1

[0024] refer to Figure 1-Figure 6 , this embodiment includes two groups of roller mechanisms arranged at the furnace mouth, and the two groups of roller mechanisms form a seal to the furnace mouth through the tangential movement of the sealing roller; the roller mechanism includes a cylinder 1, a spring mechanism 2, a sealing plate 3. The small sealing roller 4, the rotating arm 5 and the elastic sealing roller 6, the cylinder body of the cylinder 1 is set on the furnace mouth shell 10, the piston rod is connected through the rotating arm 5 and drives the elastic sealing roller 6, forming a sealing structure for the workpiece entrance The small sealing roller 4 is installed on the axis of the rotating arm (5) and is in close contact with the elastic sealing roller 6 to form a rolling sealing surface; one end of the spring mechanism 2 is fixed on the furnace mouth housing 10, and the other end passes through the sealing plate 3 and the small The sealing roller 4 is in close co...

specific Embodiment 2

[0035] The feature of this specific embodiment 2 is that each group of roller mechanisms is respectively provided with two small sealing rollers 4 and one elastic sealing roller 6 to form a six-roller rolling sealing mechanism. All the other are with specific embodiment 1.

specific Embodiment 3

[0036] The characteristics of this specific embodiment 3 are: on the basis of specific embodiment 1 or specific embodiment 2, the skeleton sealing ring 11 and the deep groove ball bearing 12 arranged at the axial joint between the small sealing roller 4 and the rotating arm 5 can be omitted And slewing fulcrum 13. It is the same as specific embodiment 1 or specific embodiment 2.

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Abstract

The invention relates to a rolling furnace port sealing structure. The rolling furnace port sealing structure is characterized by comprising two sets of rolling roller mechanisms arranged in a furnaceport; the two sets of rolling roller mechanisms seal the furnace port through a tangential motion of sealing rollers; the rolling roller mechanisms comprise cylinders, spring mechanisms, sealing plates, small sealing rollers, rotating arms and elastic sealing rollers; cylinder blocks of the cylinders are arranged on a furnace port shell, and piston rods are connected with and drive the elastic sealing rollers through the rotating arms to form workpiece inlet sealing structures; the small sealing rollers are mounted on axles of the rotating arms, and are tightly contacted with the elastic sealing rollers to form rolling sealing surfaces; one ends of the spring mechanisms are fixed on the furnace port shell, and the other ends are tightly contacted with the small sealing rollers through thesealing plates to form sealing structures of the furnace port shell; and through the workpiece inlet sealing structures, the sealing structures of the furnace port shell and the rolling sealing surfaces, rolling furnace port three-dimensional sealing structures are formed. The rolling furnace port sealing structure has the characteristics of simple and reasonable structure, slow wear of sealing pieces, wear resistance of the sealing pieces, long service life and good sealing effect.

Description

technical field [0001] The invention relates to a rolling type furnace mouth sealing structure, which is especially suitable for the entrance and exit of protective atmosphere equipment, so as to prevent the protective atmosphere from leaking out. It belongs to the technical field of metal heat treatment equipment. Background technique [0002] At present, there are many kinds of furnace mouth sealing structures, some of which are complex in structure and high in cost, and some of which are simple in structure but short in service life and poor in sealing effect. For example, the Chinese Patent Announcement discloses an invention titled "Inlet Sealing Device for Vertical Bright Annealing Furnace" and application number "2009102460583". The above-mentioned double driving roller device includes a first driving roller and a second driving roller, and the first driving roller and the second driving roller are arranged in a circumscribed position, and the strip passing line pass...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/00C21D1/74
CPCC21D1/74C21D9/0006
Inventor 王桂茂
Owner GUANGDONG STRONG METAL TECH