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Heating/heat insulation platform of heat former

A technology of heat insulation platform and heating platform, applied in the field of heating/heat insulation platform of thermoforming machine, can solve the problems of high production cost, decreased flatness of heating platform, unfavorable maintenance, etc. Maintenance-friendly effect

Inactive Publication Date: 2012-10-24
SHENYANG AIRCRAFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The heating / insulation platform is the core component of the thermoforming machine. At present, several heating platforms are made for this type of heating / insulation platform, and trapezoidal grooves and mounting holes are directly made on the heating platform; the heating platform is made of superalloy , use corundum mullite to make the heat insulation platform, and finally assemble the heating platform and the heat insulation platform together and connect them with fasteners. The advantages of this form of platform are: because the heating platform is made of superalloy, its thermal conductivity is high, The comprehensive mechanical properties are good, and the heating platform allows more heating tubes to be inserted to increase the heating rate, thereby improving production efficiency. The disadvantages are: 1) The superalloy has a large creep deformation in a long-term high-temperature environment, and the flatness of the heating platform after a period of use 2) The heating platform is generally made of nickel-based superalloy, which has high production costs and is difficult to process; 3) The heating platform material is conductive, and when the heating tube breaks down and is damaged, it is easy to cause the heating tube and the platform Welded together, bad for maintenance

Method used

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  • Heating/heat insulation platform of heat former
  • Heating/heat insulation platform of heat former
  • Heating/heat insulation platform of heat former

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Experimental program
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Effect test

Embodiment

[0014] The process of making the heating / insulating platform of the thermoforming machine is as follows:

[0015] 1) Make a recrystallized silicon carbide heating platform with an appearance of 450mm×298mm×120mm, with seven Φ27mm through holes and one Φ8mm through hole.

[0016] 2) Make a corundum mullite heat insulation platform with a shape of 450mm×298mm×200mm.

[0017] 3) Grinding the upper and lower planes of the heating platform and heat insulation platform, the flatness is 0.02mm, and the parallelism is 0.05mm.

[0018] 4) High-temperature inorganic adhesive AK04-4 mixes A and B components in a ratio of 3:2, and applies it on the surface with a thickness of 3 mm. Figure 4 The area shown; apply the high temperature adhesive LYHG-23 to a thickness of 3mm Figure 4 Bond the heated and insulated platforms together in the areas shown.

[0019] 5) Use high-temperature pressurization equipment to apply a uniform pressure of 5 MPa on the upper and lower surfaces of the heat...

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Abstract

The invention relates to a heating / heat insulation platform of a heat former, comprising heating platforms and heat insulating platforms, wherein the each heat insulating platform is made form fromcorundum-mullite; the eight heat insulating platforms are arranged in two rows; the middle of each heat insulating platform is coated with AK04-4 high-temperature organic glue; LYHG-23 high-temperature adhesive is coated around the AK04-4 high-temperature organic glue; the heating platforms are respectively arranged on the glue coated parts of the heat insulating platforms; the heating platform is made from recrystallized silicon carbide; and a trapezoidal groove beam and a transversal beam are arranged between the heating platforms, provided with through holes for arranging bolts, and made from high-temperature alloy Ra602H. The invention has the advantages that the each heat insulating platform is made from the recrystallized silicon carbide, so that the high-temperature creep is low, the deformation is low when in use for a long time at high temperature, and the processing precision of parts is enhanced; as the resistance of recrystallized silicon carbide is large, overlarge current cannot be generated between the heating tube and heating platforms when the heating tube is broken down, so the heating tube and the heating platforms cannot be welded together, and the maintenance is convenient.

Description

Technical field: [0001] The present invention is an improvement over heated / insulated platform structures used in thermoforming machines. Background technique: [0002] The heating / insulation platform is the core component of the thermoforming machine. At present, several heating platforms are made for this type of heating / insulation platform, and trapezoidal grooves and mounting holes are directly made on the heating platform; the heating platform is made of superalloy , use corundum mullite to make the heat insulation platform, and finally assemble the heating platform and the heat insulation platform together and connect them with fasteners. The advantages of this form of platform are: because the heating platform is made of superalloy, its thermal conductivity is high, The comprehensive mechanical properties are good, and the heating platform allows more heating tubes to be inserted to increase the heating rate, thereby improving production efficiency. The disadvantages ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C51/26
Inventor 白新宇陶春君
Owner SHENYANG AIRCRAFT CORP
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