Processing process of extrusion three-way element and filling material of extruded three-way element
A processing technology and filler technology, which is applied in the field of tee pipe processing, can solve the problems of high production cost, low production cost, and low pass rate, and achieve the effects of low production cost, high pass rate, and easy recycling
Inactive Publication Date: 2018-06-08
李穆艳
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Problems solved by technology
[0003] In order to overcome the problems of non-environmental protection, high production cost and low qualification rate in the prior art, the purpose of the present invention is to propose a processing technology for extruded tees, using newly prepared ore powder and paraffin wax as fillers, through Air pressure filling and air pressure dewaxing are used for processing, so that the tees, especially the tees of the branch fittings in refrigeration equipment, have the advantages of environmental protection, low production cost and high quality
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[0022] As follows, with reference to the accompanying drawings, the present invention will be further described in conjunction with specific embodiments:
[0023] The present invention proposes a processing technique for extruding a tee, comprising the following steps:
[0024] 1) Cutting: Set the length of the metal pipe 1 to be processed and include it.
[0025] 2) Air pressure filling: Mix 85% ore powder and 15% paraffin wax at a temperature of 90°C-100°C to prepare molten filling 2. The ore powder includes the following components by mass percentage: 40~ 45% magnesium oxide, 35-43% silicon dioxide, 6-7% aluminum oxide, 6-7% barium oxide, the molten filler 2 is compressed air at 0.3MPa-0.4MPa It is filled into the metal pipe 1 under the action of pressure. The heating temperature is low, and the process conditions are easy to control.
[0026] 3) Extrusion molding: Extrude the metal pipe 1 filled with filler 2 into a tee piece 3 .
[0027] 4) Pneumatic wax removal: heat...
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The invention provides a processing process of an extrusion three-way element and a filling material of the extruded three-way element. The filling material is prepared from paraffin and mineral flourcontaining magnesium oxide, silicon dioxide, aluminum oxide and barium oxide. According to the processing process of the extruded three-way element, a metal pipe is filled with the fused filling materials through air pressure; extrusion and shaping are performed to obtain the three-way element; then, the filling materials are blown out in an air pressure dewaxing mode; next, cleaning annealing, bending and flattening are performed. The three-way element, particularly the three-way element of a shunt accessory in refrigeration equipment has the advantages of environment-friendly effects, low production cost and high quality.
Description
technical field [0001] The invention relates to the field of three-way pipe processing, in particular to a processing technology for extruded three-way parts and fillers for extruded three-way parts. Background technique [0002] The opposite sex tee used in the branch fittings of the air conditioner evaporator and condenser pipe mainly plays the role of connection and conduction. At present, the processing methods commonly used for special-shaped tees used in air conditioners at home and abroad are: (1) Lead filling extrusion method in the pipe. It is a number of processes, among which the lead removal step requires manual hand-held flame guns to heat the workpiece (above 340°C) to remove the lead. The production steps are extremely cumbersome and energy-consuming, and need to be improved. Moreover, refrigeration equipment using lead-filled tees has the characteristics of high manufacturing cost, difficult to purchase but reusable production materials, and the lack of envi...
Claims
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IPC IPC(8): B21C37/29C04B26/26
CPCB21C37/29C04B26/26C04B14/06C04B14/304C04B14/303C04B14/30
Inventor 李穆艳李谋利
Owner 李穆艳