Novel mixing box for mesh belt furnace

Abstract

The novel mixing box for the mesh belt furnace comprises a first air inlet pipe, an air storage bin is arranged at one end of the first air inlet pipe, a second air inlet pipe is arranged on one side of the air storage bin, the air inlet direction of the first air inlet pipe is perpendicular to the air inlet direction of the second air inlet pipe, and the air inlet direction of the first air inlet pipe is perpendicular to the air inlet direction of the second air inlet pipe. A gas outlet pipe is installed on the side, away from the first gas inlet pipe, of the gas storage bin, nitrogen is conveyed into the gas storage bin through the first gas inlet pipe, oxygen enters the gas storage bin through the second gas inlet pipe, and mixed gas is exhausted to the outside through the gas outlet pipe. According to the utility model, oxygen and nitrogen are in a uniform mixing state, so that the nitrogen and the oxygen are mixed more uniformly, the volume is smaller, and the structure is simple.

Description

Technical Field

[0001] The utility model belongs to the technical field of mesh belt furnace equipment, and particularly relates to a novel mixing box for a mesh belt furnace. Background Art

[0002] Mesh belt furnace is a sintering furnace that uses a mesh belt protected by a muffle to continuously transport parts in the furnace. It is mainly used for sintering powder metallurgy products, reducing metal powders, and pre-firing, firing or heat treatment of electronic products in a protective atmosphere or air. It is mainly used for sintering powder metallurgy products, reducing metal powders, and pre-firing, firing or heat treatment of electronic products in a protective atmosphere or air. When processing electronic components, the mesh belt furnace mainly plays a role in sintering electronic components. Among them, the mixing box is one of the indispensable components of the mesh belt furnace, which provides the mesh belt furnace with a mixed box gas of nitrogen and oxygen required for processing;

[0003] However, in the prior art, the staff transports nitrogen and oxygen into the mixing box separately, and the gases are mixed unevenly after being mixed in the mixing box. This needs to be further improved.

[0004] Therefore, there is an urgent need for a new type of mixing box for a mesh belt furnace. Utility Model Content

[0005] The utility model provides a novel mixing box for a mesh belt furnace, which solves the problem of uneven mixing between nitrogen and oxygen after mixing in the prior art.

[0006] The technical solution of the utility model is achieved in this way:

[0007] A new type of mixing box for a mesh belt furnace comprises an air inlet pipe 1, an air storage bin is arranged at one end of the air inlet pipe 1, an air inlet pipe 2 is arranged on one side of the air storage bin, the air inlet direction of the air inlet pipe 1 is arranged perpendicular to the air inlet direction of the air inlet pipe 2, an air outlet pipe is installed on the side of the air storage bin away from the air inlet pipe 1, nitrogen is transported into the air storage bin through the air inlet pipe 1, oxygen enters into the air storage bin through the air inlet pipe 2, and the mixed gas is discharged to the outside through the air outlet pipe.

[0008] As a preferred embodiment, the gas storage bin includes a sleeve, a conical bin with a hollow interior is installed on the top surface of the sleeve, and the sleeve and the conical bin are integrally formed.

[0009] As a preferred embodiment, the air inlet pipe 1, the air outlet pipe and the air storage bin are integrally formed.

[0010] As a preferred embodiment, the distance between the outer side of the air inlet pipe 1 and the outer side of the air outlet pipe ranges from 150 to 180 mm.

[0011] As a preferred embodiment, a threaded hole is opened on one side of the gas storage bin, a joint is threadedly connected to the threaded hole, and an outer end of the joint is fixed to the air inlet pipe.

[0012] As a preferred embodiment, the joint is threadedly connected with a bolt that abuts against the gas storage bin.

[0013] After adopting the above technical solution, the beneficial effects of the utility model are as follows: in the utility model, (1) the air intake direction of the air intake pipe 1 is arranged perpendicular to the air intake direction of the air intake pipe 2. With this air intake method of oxygen and nitrogen, when oxygen and nitrogen are input into the air storage bin, a capillary effect occurs, and oxygen and nitrogen are in a uniformly mixed state, so that the mixing between nitrogen and oxygen is more uniform;

[0014] (2) The utility model has a small size and a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model.

[0018] In the figure, 1. Inlet pipe 1; 2. Air storage chamber; 3. Exhaust pipe; 4. Sleeve; 5. Conical chamber; 6. Threaded hole; 7. Joint; 8. Bolt; 9. Inlet pipe 2. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example:

[0021] like Figure 1-Figure 2As shown, a new type of mixing box for a mesh belt furnace includes an air inlet pipe 1, the interior of the air inlet pipe 1 is a hollow cylindrical shape, a gas storage bin 2 is vertically installed on one side of the air inlet pipe 1, the air inlet pipe 1 is connected to the gas storage bin 2, and nitrogen enters the gas storage bin 2 through the air inlet pipe 1;

[0022] In this embodiment, a threaded hole 6 is provided on one side of the gas storage bin 2, the threaded hole 6 is provided horizontally, a joint 7 is threadedly connected in the threaded hole 6, and at the same time, an air intake pipe 2 9 is installed at the outer end of the joint 7, the air intake pipe 2 9 is a hollow cylindrical shape, oxygen enters the gas storage bin 2 through the air intake pipe 2 9, and oxygen and nitrogen are mixed in the gas storage bin 2, and the air intake direction of the air intake pipe 1 is arranged perpendicular to the air intake direction of the air intake pipe 2 9. With this air intake method of oxygen and nitrogen, when oxygen and nitrogen are input into the gas storage bin 2, a capillary effect occurs, and oxygen and nitrogen are in a uniformly mixed state, so that the mixing between nitrogen and oxygen is more uniform;

[0023] In order to increase the connection strength between the air outlet pipe 3 and the air storage bin 2, a bolt 8 is threadedly connected to the connector 7, the bolt 8 abuts against the air storage bin 2, and the bolt 8 fixes the air inlet pipe 9 to the air storage bin 2;

[0024] Among them, an outlet pipe 3 is installed on the side of the gas storage bin 2 away from the gas inlet pipe 1, and the gas inlet pipe 1, the outlet pipe 3 and the gas storage bin 2 are integrally formed, and the shape of the outlet pipe 3 is a hollow cylindrical shape. The mixed gas is transported to the mesh belt furnace through the outlet pipe 3;

[0025] The gas storage bin 2 includes a sleeve 4, on the top surface of which a conical bin 5 with a hollow interior is installed, and the sleeve 4 and the conical bin 5 are integrally formed, and the length of the gas storage bin 2 ranges from 150 to 180 mm. In this embodiment, the length of the gas storage bin 2 is 160 mm, so that the volume of the mixing box is small and the structure is simple;

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A new type of mixing box for mesh belt furnace, It is characterized in that The invention comprises an air inlet pipe (1), one end of which is provided with an air storage bin (2), one side of which is provided with an air inlet pipe (9), the air inlet direction of the air inlet pipe (1) is perpendicular to the air inlet direction of the air inlet pipe (9), and an air outlet pipe (3) is installed on the side of the air storage bin (2) away from the air inlet pipe (1), nitrogen is transported into the air storage bin (2) through the air inlet pipe (1), oxygen enters into the air storage bin (2) through the air inlet pipe (9), and the mixed gases are discharged to the outside through the air outlet pipe (3).

2. A novel mixing box for a mesh belt furnace as claimed in claim 1, Features: The gas storage bin (2) comprises a sleeve (4), a conical bin (5) with a hollow interior is mounted on the top surface of the sleeve (4), and the sleeve (4) and the conical bin (5) are integrally formed.

3. The novel mixing box for mesh belt furnace according to claim 1, Features: The air inlet pipe (1), the air outlet pipe (3) and the air storage bin (2) are integrally formed.

4. The novel mixing box for mesh belt furnace according to claim 1, Features: The distance between the outer side of the air inlet pipe (1) and the outer side of the air outlet pipe (3) is in the range of 150 to 180 mm.

5. The novel mixing box for mesh belt furnace according to claim 1, Features: A threaded hole (6) is provided on one side of the gas storage bin (2), a joint (7) is connected to the threaded hole (6) through the inner thread, and the outer end of the joint (7) is fixed to the second air inlet pipe (9).

6. A novel mixing box for a mesh belt furnace as claimed in claim 5, Features: The joint (7) is threadedly connected with a bolt (8) that abuts against the gas storage bin (2).

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