Heat preservation assembly for casting magnesium alloy cylinder cover for vehicle

Abstract

The utility model relates to the technical field of heat preservation equipment, in particular to a heat preservation assembly for casting a vehicle magnesium alloy cylinder cover, which comprises a heat preservation bin, a gas engine is arranged in the heat preservation bin, the output end of the gas engine is fixedly connected with a high-pressure spray head, and an input pipe of the gas engine is fixedly connected with a gas pipe. A fixing ring is fixedly connected to the inner side of the heat preservation bin, and a heat preservation assembly is arranged at the bottom of the fixing ring. The heat preservation assembly comprises a heat preservation shell fixedly connected with the bottom of the fixing ring, a through hole matched with the high-pressure spray head is formed in the outer side of the heat preservation shell, and the bottom of the fixing ring is fixedly connected with a graphite crucible. According to the graphite crucible, the graphite crucible is heated at a high temperature through the high-pressure spray head, and the dissipated heat can enter the space between the graphite crucible and the heat preservation shell, so that the heat is prevented from escaping, the bottom of the graphite crucible can be more comprehensively heated, and the heat is more effectively utilized.

Description

Technical Field

[0001] The utility model relates to the technical field of heat preservation equipment, in particular to a heat preservation component for casting a magnesium alloy cylinder head for a vehicle. Background Art

[0002] The cylinder head of an automobile engine is generally formed by a casting process, and then goes through multiple processes such as surface deburring, rough machining, and fine machining to finally form the cylinder head product.

[0003] For example, the Chinese patent publication number CN213747847U is a gas crucible insulation furnace for automobile engine cylinder head processing, which relates to the field of metal mechanical casting technology. The utility model includes a heating device, an insulation furnace device, an exhaust device and a closing device. The heating device includes a gas engine and a graphite crucible. The insulation furnace device includes an insulation bin, a ventilation pipe and a fixing ring. The upper surface of the fixing ring is connected with a surface of the graphite crucible, the lower surface of the gas engine is welded to the lower surface of the insulation bin, the exhaust device includes an exhaust box, the exhaust box is provided with a through circular hole, the exhaust box is through-connected with the ventilation pipe, the closing device includes a rotating seat and a fixing buckle, and the lower surface of the fixing buckle is welded to the upper surface of the top plate.

[0004] In view of the above-mentioned related technologies, the inventor believes that when the above-mentioned existing device is used, a large amount of heat will escape when the high-temperature gas ejected from the high-pressure nozzle heats the graphite crucible, resulting in partial heat waste. Therefore, the utility model provides a thermal insulation component for casting a magnesium alloy cylinder head for a vehicle. Utility Model Content

[0005] The purpose of the present application is to provide an insulation component for casting magnesium alloy cylinder heads for automobiles, so as to solve the problem in the above-mentioned background technology that when the existing device is used, a large amount of heat will escape when the high-temperature gas ejected from the high-pressure nozzle heats the graphite crucible, resulting in partial heat waste.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an insulation component for casting a magnesium alloy cylinder head for a vehicle, comprising an insulation chamber, a gas engine is arranged in the insulation chamber, a high-pressure nozzle is fixedly connected to the output end of the gas engine, a gas pipe is fixedly connected to the input pipe of the gas engine, a fixing ring is fixedly connected to the inner side of the insulation chamber, and an insulation component is arranged at the bottom of the fixing ring; the insulation component comprises an insulation shell fixedly connected to the bottom of the fixing ring, a through hole compatible with the high-pressure nozzle is opened on the outer side of the insulation shell, and a graphite crucible is fixedly connected to the bottom of the fixing ring.

[0007] Through the above technical solution, the graphite crucible is heated at high temperature by a high-pressure nozzle, and the emitted heat enters between the graphite crucible and the heat-insulating shell to avoid heat escape, and facilitates more comprehensive heating of the bottom of the graphite crucible, which makes more effective use of heat.

[0008] Preferably, a plurality of heat conducting plates are fixedly connected to the inner wall of the graphite crucible, and the plurality of heat conducting plates are evenly distributed.

[0009] Preferably, a sealing cover is provided on the top of the heat preservation bin, a pair of limit blocks are fixedly connected to the outer side of the sealing cover, and a groove matching the sealing cover is opened on the top of the heat preservation bin.

[0010] Preferably, a slide groove matched with the limit block is formed on the inner wall of the groove, and a pair of clamping grooves matched with the limit block are formed on the inner wall of the slide groove.

[0011] Through the above technical solution, the material is introduced into the graphite crucible, the sealing cover is dragged to drive the limit block to pass through the slot and enter the slide slot, the sealing cover is rotated, and the bolts are used to connect with the corresponding threaded holes to limit and fix the fixing block and the sealing cover, so that the sealing effect is better, and even if the bolts are loose, the setting of the limit block will not cause the sealing cover to fall off.

[0012] Preferably, a sealing plate matched with the fixing ring is fixedly connected to the bottom of the sealing cover, and a ventilation pipe is arranged on the inner side of the heat preservation chamber, and the ventilation pipe is connected to an exhaust box arranged outside.

[0013] Preferably, a fixing block is fixedly connected to the outer side of the sealing cover, bolts are arranged on the outer side of the fixing block, and threaded holes matching with the bolts are provided on the outer sides of the fixing block and the heat preservation bin.

[0014] In summary, the technical effects and advantages of the utility model are:

[0015] 1. In the utility model, the graphite crucible is heated at high temperature by a high-pressure nozzle, and the emitted heat enters between the graphite crucible and the heat-insulating shell to avoid heat escape, and facilitates more comprehensive heating of the bottom of the graphite crucible, which makes more effective use of heat.

[0016] 2. In the present invention, the provision of multiple heat-conducting plates facilitates more comprehensive heating of the material through the heated heat-conducting plates.

[0017] 3. Introduce the material into the graphite crucible, drag the sealing cover to drive the limit block to pass through the slot and enter the slide slot, rotate the sealing cover, use bolts to connect with the corresponding threaded holes, and limit and fix the fixing block and the sealing cover to make the sealing effect better. Even if the bolts are loose, the setting of the limit block will not prevent the sealing cover from detaching. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application 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 present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the axial structure of the utility model from a first viewing angle;

[0020] Figure 2 This is a schematic diagram of the axial structure of the utility model from a second viewing angle;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the heat preservation warehouse of the utility model;

[0022] Figure 4 This is a structural schematic diagram of the sealing cover and the sealing plate of the utility model;

[0023] Figure 5 For this utility model Figure 2 Schematic diagram of the structure at point A.

[0024] In the figure: 1. Insulation chamber; 2. Sealing cover; 3. Fixing block; 4. Bolt; 5. Threaded hole; 6. Gas pipe; 7. Ventilation pipe; 8. Sealing plate; 9. Fixing ring; 10. Groove; 11. Slide groove; 12. Heat transfer plate; 13. Graphite crucible; 14. Insulation shell; 15. Through hole; 16. Gas engine; 17. High-pressure nozzle; 18. Limiting block; 19. Slot. DETAILED DESCRIPTION

[0025] 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.

[0026] Example: Reference Figures 1 to 5The heat preservation assembly for casting a magnesium alloy cylinder head for a vehicle shown in the figure comprises a heat preservation chamber 1, a gas engine 16 is arranged in the heat preservation chamber 1, a high-pressure nozzle 17 is fixedly connected to the output end of the gas engine 16, a gas pipe 6 is fixedly connected to the input pipe of the gas engine 16, a fixing ring 9 is fixedly connected to the inner side of the heat preservation chamber 1, and a heat preservation assembly is arranged at the bottom of the fixing ring 9; the heat preservation assembly comprises a heat preservation shell 14 fixedly connected to the bottom of the fixing ring 9, a through hole 15 adapted to the high-pressure nozzle 17 is opened on the outer side of the heat preservation shell 14, and the bottom of the fixing ring 9 is fixedly connected to the fixing ring 9. A graphite crucible 13 is connected, and the gas is introduced into the gas engine 16 through the gas pipe 6. The graphite crucible 13 is heated at high temperature through the high-pressure nozzle 17, and the dissipated heat will enter between the graphite crucible 13 and the heat-insulating shell 14 to avoid heat escape and facilitate more comprehensive heating of the bottom of the graphite crucible 13. The inner wall of the graphite crucible 13 is fixedly connected with a plurality of heat conducting plates 12, and the plurality of heat conducting plates 12 are evenly distributed. The arrangement of the plurality of heat conducting plates 12 facilitates more comprehensive heating of the material through the heated heat conducting plates 12.

[0027] refer to Figure 1-Figure 5 A sealing cover 2 is provided on the top of the heat preservation bin 1, a pair of limit blocks 18 are fixedly connected to the outside of the sealing cover 2, a groove 10 adapted to the sealing cover 2 is provided on the top of the heat preservation bin 1, a chute 11 adapted to the limit block 18 is provided on the inner wall of the groove 10, and a pair of card slots 19 adapted to the limit block 18 are provided on the inner wall of the chute 11, the material is introduced into the graphite crucible 13, the sealing cover 2 is dragged to drive the limit block 18 to pass through the card slot 19 and snap into the chute 11, and the sealing cover 2 is rotated to seal. The cover 2 is connected with the corresponding threaded holes 5 by bolts 4 to limit and fix the fixing block 3 and the sealing cover 2. The bottom of the sealing cover 2 is fixedly connected with a sealing plate 8 that is compatible with the fixing ring 9. A ventilation pipe 7 is arranged on the inner side of the heat preservation bin 1. The ventilation pipe 7 is connected with the exhaust box arranged outside. The outer side of the sealing cover 2 is fixedly connected with the fixing block 3. The outer side of the fixing block 3 is provided with bolts 4. The fixing block 3 and the outer side of the heat preservation bin 1 are provided with threaded holes 5 that are compatible with the bolts 4.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A thermal insulation assembly for casting a magnesium alloy cylinder head for a vehicle, comprising a thermal insulation chamber (1), characterized in that: A gas engine (16) is arranged in the heat preservation bin (1), the output end of the gas engine (16) is fixedly connected to a high-pressure nozzle (17), the input pipe of the gas engine (16) is fixedly connected to a gas pipe (6), a fixing ring (9) is fixedly connected to the inside of the heat preservation bin (1), and a heat preservation component is arranged at the bottom of the fixing ring (9).

2. The thermal insulation assembly for casting a magnesium alloy cylinder head for a vehicle according to claim 1, characterized in that: The heat-insulating assembly comprises a heat-insulating shell (14) fixedly connected to the bottom of the fixing ring (9), a through hole (15) adapted to the high-pressure nozzle (17) is provided on the outer side of the heat-insulating shell (14), and a graphite crucible (13) is fixedly connected to the bottom of the fixing ring (9).

3. The thermal insulation assembly for casting a magnesium alloy cylinder head for a vehicle according to claim 2, characterized in that: A plurality of heat conducting plates (12) are fixedly connected to the inner wall of the graphite crucible (13), and the plurality of heat conducting plates (12) are evenly distributed.

4. The thermal insulation assembly for casting a magnesium alloy cylinder head for a vehicle according to claim 1, characterized in that: A sealing cover (2) is arranged on the top of the heat preservation bin (1), a pair of limit blocks (18) are fixedly connected to the outer side of the sealing cover (2), and a groove (10) adapted to the sealing cover (2) is opened on the top of the heat preservation bin (1).

5. The thermal insulation assembly for casting a magnesium alloy cylinder head for a vehicle according to claim 4, characterized in that: The inner wall of the groove (10) is provided with a sliding groove (11) adapted to the limiting block (18).

6. The thermal insulation assembly for casting a magnesium alloy cylinder head for a vehicle according to claim 5, characterized in that: The inner wall of the slide groove (11) is provided with a pair of clamping grooves (19) adapted to the limiting block (18).

7. The thermal insulation assembly for casting a magnesium alloy cylinder head for a vehicle according to claim 4, characterized in that: A sealing plate (8) adapted to the fixing ring (9) is fixedly connected to the bottom of the sealing cover (2).

8. The thermal insulation assembly for casting a magnesium alloy cylinder head for a vehicle according to claim 1, characterized in that: A ventilation pipe (7) is arranged inside the heat preservation bin (1), and the ventilation pipe (7) is connected to an exhaust box arranged outside.

9. The thermal insulation assembly for casting a magnesium alloy cylinder head for a vehicle according to claim 4, characterized in that: A fixing block (3) is fixedly connected to the outer side of the sealing cover (2), a bolt (4) is arranged on the outer side of the fixing block (3), and threaded holes (5) matching the bolts (4) are provided on the outer sides of the fixing block (3) and the heat preservation bin (1).

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