Novel coreless furnace

Abstract

The utility model discloses a novel coreless furnace which comprises a heat insulation base, a furnace body is fixedly arranged at the top end of the heat insulation base, an arc-shaped pouring gate is fixedly arranged at the top of one side of the inner wall of the furnace body, a material guide channel is formed between the arc-shaped pouring gate and the furnace body, an installation groove is formed in the top of the inner side of the material guide channel, and refractory mortar is bonded to the bottom of the inner side of the installation groove. According to the novel coreless furnace, the arc-shaped pouring gate is arranged on the inner side of the furnace body, so that the material guide channel is formed between the arc-shaped pouring gate and the furnace body, and the bottommost part of the material guide channel is arranged at the bottom of the furnace body; and meanwhile, through cooperative arrangement of the first filter screen and the second filter screen, impurities doped in the molten metal can be conveniently filtered, and the situation that the impurities enter the next procedure along with the molten metal, and consequently the product quality is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the field of coreless furnaces, in particular to a novel coreless furnace. Background Art

[0002] At present, coreless furnaces are widely used in the process of molten metal smelting and pouring. During pouring, the coreless furnace pours the molten metal into the chute or mold through the discharge nozzle. However, the existing coreless furnace usually discharges the molten metal at the top of the furnace body first, then gradually downwards, and finally the molten metal at the bottom. In addition, the coreless furnace does not have a filtering function, resulting in inclusions and gases in the molten metal flowing into the next process during the pouring process, thereby affecting the quality of subsequent products.

[0003] In order to solve the above problems, a novel coreless furnace is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a novel coreless furnace to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a new type of coreless furnace, comprising an insulating base, a furnace body is fixedly arranged on the top of the insulating base, an arc-shaped gate is fixedly arranged on the top of one side of the inner wall of the furnace body, a material guiding channel is formed between the arc-shaped gate and the furnace body, a mounting groove is opened at the top of the inner side of the material guiding channel, refractory mud is bonded to the bottom of the inner side of the mounting groove, a filter screen base is bonded to the top of the refractory mud, a first filter screen is fixedly arranged on the top of the inner side of the filter screen base, a second filter screen is fixedly arranged on the bottom of the inner side of the filter screen base, a discharge nozzle is fixedly arranged on one side of the top of the insulating base, a discharge trough is opened in the middle of the top of the discharge nozzle, and a discharge port is opened on one side of the discharge trough.

[0006] The coreless furnace is provided with an arc-shaped gate on the inner side of the furnace body, so that a material guide channel is formed between the arc-shaped gate and the furnace body, and the bottom of the material guide channel is placed at the bottom of the furnace body, thereby achieving the goal of preferentially guiding the molten metal from the bottom of the furnace body during pouring. At the same time, the coordination of the first filter screen and the second filter screen facilitates filtering of impurities mixed in the molten metal, thereby preventing the impurities from entering the next process with the molten metal and affecting the quality of the product.

[0007] Preferably, the filter screen base is slidably connected to the mounting groove to facilitate stable up and down movement of the filter screen base.

[0008] Preferably, connecting rods are fixedly provided on both sides of the top of the filter screen base, and an auxiliary handle is fixedly provided on the top between the two connecting rods. By using a greater force to pull the auxiliary handle upward, the filter screen base is separated from the refractory mud, and the filter screen base is no longer limited, thereby facilitating disassembly and cleaning of the filter assembly.

[0009] Preferably, the heat-insulating base, furnace body, arc-shaped gate and discharge nozzle are an integrated structure, which can ensure the stability of the overall structure.

[0010] Preferably, a placement groove is provided on the surface of the furnace body, a heat preservation cover is fixedly provided inside the placement groove, and a heat insulation cover is fixedly provided on the surface of the heat preservation cover, and the heat preservation performance of the coreless furnace can be improved by the coordinated arrangement of the heat preservation cover and the heat insulation cover.

[0011] Preferably, a plurality of positioning rods are fixedly provided at the connection between the heat insulation cover and the thermal insulation cover, a plurality of positioning holes are opened at the connection between the heat insulation cover and the heat insulation cover, and the plurality of positioning holes are respectively engaged with a plurality of positioning rods, so that the heat insulation cover can be conveniently limited by the matching arrangement of the plurality of positioning holes with the plurality of positioning rods.

[0012] Preferably, a first inclined surface is provided at the bottom of the inner side of the furnace body, and a second inclined surface is provided at the top of the inner side of the furnace body. The first inclined surface and the second inclined surface are matched to facilitate the discharge of the molten metal in the furnace body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The coreless furnace is provided with an arc-shaped gate on the inner side of the furnace body, so that a material guide channel is formed between the arc-shaped gate and the furnace body, and the bottom of the material guide channel is placed at the bottom of the furnace body, thereby realizing that the molten metal is preferentially guided out from the bottom of the furnace body during pouring, and at the same time, the first filter screen and the second filter screen are arranged in coordination to facilitate filtering of impurities mixed in the molten metal, thereby preventing the impurities from entering the next process with the molten metal, thereby affecting the quality of the product;

[0015] 2. The filter base is limited and fixed by refractory mud to ensure the stable operation of the first filter and the second filter. The auxiliary handle is pulled upward with greater force to separate the filter base from the refractory mud. The filter base is no longer limited, making it easier to disassemble and clean the filter assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

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

[0018] Figure 3 It is a top view of the utility model;

[0019] Figure 4 It is an enlarged view of part A of the utility model.

[0020] In the figure: 1. Insulation base; 2. Furnace body; 3. First inclined plane; 4. Second inclined plane; 5. Mounting groove; 6. Insulation cover; 7. Positioning rod; 8. Insulation cover; 9. Arc gate; 10. Discharge nozzle; 11. Material guide channel; 12. Positioning hole; 13. Discharge trough; 14. Discharge port; 15. Installation groove; 16. Refractory clay; 17. Connecting rod; 18. Filter base; 19. First filter; 20. Second filter; 21. Auxiliary handle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-4 The utility model provides a novel coreless furnace, including a heat-insulating base 1, a furnace body 2 is fixedly arranged on the top of the heat-insulating base 1, an arc-shaped pouring gate 9 is fixedly arranged on the top of one side of the inner wall of the furnace body 2, a material guide channel 11 is formed between the arc-shaped pouring gate 9 and the furnace body 2, a mounting groove 15 is opened on the top of the inner side of the material guide channel 11, a refractory mud 16 is bonded to the bottom of the inner side of the mounting groove 15, a filter screen base 18 is bonded to the top of the refractory mud 16, a first filter screen 19 is fixedly arranged on the top of the inner side of the filter screen base 18, a second filter screen 20 is fixedly arranged on the bottom of the inner side of the filter screen base 18, and one side of the top of the heat-insulating base 1 is fixed A discharge nozzle 10 is provided, a discharge trough 13 is provided in the middle of the top of the discharge nozzle 10, and a discharge port 14 is provided on one side of the discharge trough 13. The coreless furnace is provided with an arc-shaped gate 9 on the inner side of the furnace body 2, so that a material guide channel 11 is formed between the arc-shaped gate 9 and the furnace body 2, and the bottom of the material guide channel 11 is placed at the bottom of the furnace body 2, so that the molten metal is preferentially guided out from the bottom of the furnace body 2 during pouring. At the same time, the first filter screen 19 and the second filter screen 20 are arranged in coordination to facilitate filtering of impurities mixed in the molten metal, so as to prevent the impurities from entering the next process with the molten metal and affecting the quality of the product.

[0023] The heat-insulating base 1, the furnace body 2, the arc-shaped pouring gate 9 and the discharge nozzle 10 are an integrated structure. The filter base 18 is slidably connected to the mounting groove 15. Connecting rods 17 are fixedly provided on both sides of the top of the filter base 18. An auxiliary handle 21 is fixedly provided on the top between the two connecting rods 17.

[0024] When in use, the auxiliary handle 21 is pulled upward with a large force to separate the filter base 18 from the refractory mud 16, and the filter base 18 is no longer limited, so that the filter assembly can be disassembled and cleaned easily;

[0025] A placement groove 5 is provided on the surface of the furnace body 2, a heat preservation cover 6 is fixedly provided inside the placement groove 5, a heat insulation cover 8 is fixedly provided on the surface of the heat preservation cover 6, a plurality of positioning rods 7 are fixedly provided at the connection between the heat preservation cover 6 and the heat insulation cover 8, a plurality of positioning holes 12 are provided at the connection between the heat insulation cover 8 and the heat preservation cover 6, and the plurality of positioning holes 12 are respectively engaged with the plurality of positioning rods 7, a first inclined surface 3 is provided at the bottom of the inner side of the furnace body 2, and a second inclined surface 4 is provided at the top of the inner side of the furnace body 2;

[0026] When in use, the first inclined surface 3 and the second inclined surface 4 are arranged in coordination to facilitate the discharge of the molten metal in the furnace body 2, and the plurality of positioning holes 12 are arranged in coordination with the plurality of positioning rods 7 to facilitate the limiting of the heat insulation cover 8. The coordination of the heat insulation cover 6 and the heat insulation cover 8 can improve the heat preservation performance of the coreless furnace.

[0027] When the embodiment of the present application is in use: the coreless furnace is provided with an arc-shaped gate 9 on the inner side of the furnace body 2, so that a material guide channel 11 is formed between the arc-shaped gate 9 and the furnace body 2, and the bottom of the material guide channel 11 is placed at the bottom of the furnace body 2, thereby realizing that the molten metal is preferentially guided out from the bottom of the furnace body 2 during pouring, and at the same time, the first filter screen 19 and the second filter screen 20 are arranged in coordination to facilitate filtering of impurities mixed in the molten metal, thereby preventing impurities from entering the next process with the molten metal and affecting the quality of the product. When in use, the filter screen base 18 is limited and fixed by the refractory mud 16, thereby ensuring the stable operation of the first filter screen 19 and the second filter screen 20, and the filter screen base 18 is separated from the refractory mud 16 by pulling the auxiliary handle 21 upward with a greater force, and the filter screen base 18 is no longer limited, thereby facilitating the disassembly and cleaning of the filter assembly.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A novel coreless furnace, comprising a heat-insulating base (1), characterized in that: A furnace body (2) is fixedly arranged at the top of the heat-insulating base (1), an arc-shaped pouring gate (9) is fixedly arranged at the top of one side of the inner wall of the furnace body (2), a material guide channel (11) is formed between the arc-shaped pouring gate (9) and the furnace body (2), a mounting groove (15) is provided at the top of the inner side of the material guide channel (11), a refractory mud (16) is bonded to the bottom of the inner side of the mounting groove (15), a filter screen base (18) is bonded to the top of the refractory mud (16), a first filter screen (19) is fixedly arranged at the top of the inner side of the filter screen base (18), a second filter screen (20) is fixedly arranged at the bottom of the inner side of the filter screen base (18), a discharge nozzle (10) is fixedly arranged at one side of the top of the heat-insulating base (1), a discharge trough (13) is provided in the middle of the top of the discharge nozzle (10), and a discharge port (14) is provided at one side of the discharge trough (13).

2. A novel coreless furnace according to claim 1, characterized in that: The filter screen base (18) is slidably connected to the mounting groove (15).

3. A novel coreless furnace according to claim 1, characterized in that: Connecting rods (17) are fixedly provided on both sides of the top of the filter screen base (18), and an auxiliary handle (21) is fixedly provided on the top between the two connecting rods (17).

4. A novel coreless furnace according to claim 1, characterized in that: The heat-insulating base (1), the furnace body (2), the arc-shaped pouring gate (9) and the discharge nozzle (10) are an integrated structure.

5. A novel coreless furnace according to claim 1, characterized in that: A placement groove (5) is provided on the surface of the furnace body (2), a heat preservation cover (6) is fixedly provided inside the placement groove (5), and a heat insulation cover (8) is fixedly provided on the surface of the heat preservation cover (6).

6. A novel coreless furnace according to claim 5, characterized in that: A plurality of positioning rods (7) are fixedly arranged at the connection between the heat insulation cover (6) and the thermal insulation cover (8), a plurality of positioning holes (12) are provided at the connection between the heat insulation cover (8) and the heat insulation cover (6), and the plurality of positioning holes (12) are respectively engaged and connected with the plurality of positioning rods (7).

7. A novel coreless furnace according to claim 1, characterized in that: A first inclined surface (3) is provided at the bottom of the inner side of the furnace body (2), and a second inclined surface (4) is provided at the top of the inner side of the furnace body (2).

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