Sealing structure for batch-type furnace
A sealed structure, box-type furnace technology, applied in the direction of furnaces, furnace types, furnace components, etc., can solve the problems of poor sealing performance of the furnace door, achieve the effect of improving the sealing structure, improving safety performance, and reducing damage
Active Publication Date: 2015-06-03
浙江省长兴精工电炉制造有限公司
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is a sealing structure for a box-type furnace, which can well solve the defect of poor sealing performance of the furnace door in the existing box-type furnace
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[0013] Such as figure 1 , figure 2 , image 3 As shown, a sealing structure for a box-type furnace includes a furnace body 1 and a furnace door 2 that is rotatably connected to the furnace body 1. The furnace body 1 is provided with a mounting hole 11 that facilitates the installation of the furnace door 2. The mounting hole 11 is a step hole with a large outside and a small inside. The front end of the furnace door 2 is provided with a boss 21 that matches the step hole, and the rear end of the furnace door 2 is provided with an extension section 22. 22 and the furnace body 1, and the connection between the boss 21 and the step hole are all sealed and connected by at least one graphite packing 3, and the furnace door 2 is provided with at least two control furnace doors 2 locked on the furnace body The compression handwheel 4 on 1 is provided with a control assembly 5 that restricts the operation of the compression handwheel 4 on the furnace door 2 below the compression ha...
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The invention relates to a sealing structure for a batch-type furnace. The sealing structure comprises a furnace body and a furnace door; a mounting hole is formed in the furnace body; the front end of the furnace door is provided with a boss; the rear end of the furnace door is provided with an extension section; the joint of the extension section and the furnace body as well as the joint of the boss and a stepped hole are respectively and hermetically connected through at least one graphite packing; the furnace door is provided with at least two pressing hand wheels; the furnace door is provided with a control assembly for limiting the operation of the pressing hand wheels. The sealing structure disclosed by the invention has the advantages that the joint of the extension section and the furnace body as well as the joint of the boss and the stepped hole are respectively and hermetically connected through the at least one graphite packing, the airtightness of the furnace door is controlled through the pressing hand wheels, and the operation of the pressing hand wheels is controlled through the control assembly, so the existing sealing structure of alone sealing is effectively improved; under the action of the bidirectional sealing of the graphite packing, the sealing property is improved, and the phenomenon that the pressing hand wheels are opened when the furnace body works is avoided; the sealing structure is simple; the graphite packing is fixed through a connecting sleeve, so that the damage to the graphite packing when being sealed is reduced.
Description
technical field [0001] The invention relates to a sealing structure for a box furnace. Background technique [0002] The box-type electric heating furnace is mainly used for heat treatment of metal parts or alloy steel parts in the air. The existing box-type electric heating furnace includes a furnace body and a furnace door. The existing furnace door and furnace body adopt a direct The connection structure, such that there is poor sealing performance when connecting and sealing, resulting in poor heating effect of the workpiece, increasing the time required for heating, and poor practical performance. After use, the furnace door is not conducive to the opening of the furnace door at high temperature, and the use effect is poor. . Contents of the invention [0003] The technical problem to be solved by the present invention is a sealing structure for a box-type furnace, which can well solve the defect of poor furnace door sealing performance in the existing box-type furna...
Claims
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Inventor 徐小龙
Owner 浙江省长兴精工电炉制造有限公司