Degreasing device

Abstract

The invention discloses a degreasing device and belongs to the field of the degreasing device of a powder metallurgy injection molding part. The degreasing device comprises a furnace pipe platform, a furnace pipe, a furnace body, a trap, a vacuumizing mechanism and a protective gas introducing tube, wherein the center of one side of the furnace pipe platform is provided with a base; the base is provided with a longitudinal through hole; the side surface of the base is provided with lateral through holes; the furnace pipe is arranged on the furnace pipe platform; the furnace body is sheathed at the exterior of the furnace pipe; a group of electric heating rods are laid in the inner wall of the furnace body; the trap is fixed on the center of one side of the furnace pipe platform; the vacuumizing mechanism is arranged on one side of the furnace body; one end of the protective gas introducing tube extends into the furnace pipe cavity; the other end of the protective gas introducing tube is connected with a protective gas source device; the trap is provided with a containing cavity; a first clean ball is arranged in the containing cavity; the trap is provided with a trap jacket; one side of the trap jacket is connected with a water inlet joint; the bottom of the trap jacket is adapted with a water outlet joint; the center of the bottom of the trap is adapted with a degreasing hole; and the degreasing hole is provided with a valve. The degreasing device has the advantages that the degreasing speed can be improved, the degreasing device is favorable for loading and discharging, and is convenient to replace, energy-saving and environmentally-friendly.

Description

technical field [0001] The invention belongs to the technical field of a degreasing furnace for powder metallurgy injection molding parts, and in particular relates to a degreasing device. Background technique [0002] Metal injection molding technology (Metal Injection Molding, referred to as MIM) is a technology that integrates plastic molding technology, polymer chemistry, powder metallurgy technology, and metal materials. Products with complex shapes can be sintered to manufacture structural parts with high density, high precision and three-dimensional complex shapes. This technology was first invented in the last century (1973) by Parmatech Corporation of California, USA, and was widely used in Europe, America and Japan in the early 1980s. This technology has the advantages of fewer process steps, no cutting or a small amount of cutting and high economic benefits, and can overcome the traditional powder metallurgy process of low density, uneven material, poor mechanica...

AI Technical Summary

Problems solved by technology

[0006]A typical example is the "vacuum degreasing and sintering integrated furnace" disclosed by the utility model patent authorization announcement number CN2595500Y. The technical effects mentioned in the 7th to 9th lines on page 2, but there are the following deficiencies: First, the degreasing speed is slow, because only the exhaust pipe protruding into the furnace body from the bottom of the furnace body (the patent is called the furnace body exhaust channel) It is difficult to lead the adhesive gas volatilized from the blank in the furnace out of the furnace under negative pressure; second, it is inconvenient to load the blank into the furnace and take out the finished product, and the patent does not provide technical inspiration for loading the blank into the furnace; Third, the structure of the furnace body is unreasonable and inconvenient to clean, because during use, especially in the process of loading the blank into the furnace, there will inevitably be damage to the blank, and if it cannot be cleaned in time, it will affect subsequent use; Fourth, The patent does not give the specific structure of the trap used to collect the removed grease (also known as wax). However, whether the trap structure is reasonable or not will have a direct impact on the degreasing effect, because if The grease released from the furnace body cannot be effectively captured by the trap, such as diffusing to the outside, which will affect the environment of the job site on the one hand, and affect the vacuum mechanism connected to the trap on the other hand, such as blocking the vacuum pump , on the other hand, it will make the degreasing process, that is, the heat preservation time of the furnace body long and waste energy

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