High-temperature heating furnace for metal workpieces

Abstract

The utility model discloses a metal workpiece high-temperature heating furnace which comprises a furnace body, the front surface of the furnace body is rotationally connected with a sealing door through a hinge, an air bellow is arranged at the top end of the furnace body, an air inlet hole is formed in the front surface of the air bellow, a filter cavity is formed in the inner side of the air bellow, a filter cotton plate is arranged on the inner side of the filter cavity, and the filter cotton plate is arranged on the inner side of the filter cotton plate. Honeycomb plates are distributed on one side of the filter cotton plate; by means of combined use of the air cooler, the filter cotton plate, the honeycomb plate and the activated carbon plate, cooling treatment can be conveniently conducted on the metal workpiece subjected to heating treatment through cold air subsequently, and compared with an existing natural cooling mode, the cooling device is more convenient and faster to use and higher in efficiency; and when the air cooler works, air is refrigerated, and then the cooled air is input into the inner side of the furnace body, so that the heated metal workpiece is effectively cooled.

Description

Technical Field

[0001] The utility model relates to the field of high-temperature heating furnaces for metal workpieces, in particular to a high-temperature heating furnace for metal workpieces. Background Art

[0002] Before the metal workpiece is processed, in order to ensure that it can better meet the production needs, it needs to be heated at a high temperature so that the metal workpiece can be better formed and shaped under the high temperature state. These heating processes need to be completed by the corresponding high-temperature heating furnace;

[0003] For example, a high-temperature heating furnace for metal workpieces disclosed in the utility model with authorization announcement number CN219714007U adopts a node-type heating method as the heating source to realize three-stage heating operations at the front end, middle end and rear end, so that the furnace body can perform targeted heating operations according to the actual heating area of ​​the workpiece, avoiding the loss of furnace body energy consumption when some workpieces only need local heating, thereby increasing the heating efficiency and avoiding energy waste. However, the current high-temperature heating furnace needs to cool down the metal workpiece by natural cooling after heating the metal workpiece, so as to facilitate the subsequent removal of the metal workpiece. However, the natural cooling method is not only inefficient, but also time-consuming and impractical. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a high-temperature heating furnace for metal workpieces, which can solve the problem that the heating source of the existing high-temperature heating furnace for metal workpieces adopts a node-type heating method, realizes a three-stage heating operation at the front end, the middle end and the rear end, so that the furnace body can perform targeted heating operations according to the actual heating area of ​​the workpiece, avoiding the loss of furnace body energy consumption when some workpieces only need local heating, thereby increasing the heating efficiency and avoiding energy waste. However, the current high-temperature heating furnace needs to be cooled by natural cooling after heating the metal workpiece, so as to facilitate the subsequent removal of the metal workpiece.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: a high-temperature heating furnace for metal workpieces, comprising a furnace body, a front surface of the furnace body being rotatably connected to a sealed door by a hinge, a bellows being arranged on the top of the furnace body, and an air inlet being provided on the front surface of the bellows, a filter chamber being provided on the inner side of the bellows, and a filter cotton plate being provided on the inner side of the filter chamber, a honeycomb plate being distributed on one side of the filter cotton plate, and an activated carbon plate being distributed on the other side of the honeycomb plate, a guide seat being distributed on the side of the activated carbon plate away from the honeycomb plate, and an air cooler being installed on the inner side of the guide seat, an air supply pipe being connected to the side of the bellows away from the air inlet, and an electromagnetic valve being provided on the surface of the air supply pipe, and a heating structure being provided on the inner side of the furnace body.

[0006] As a preferred technical solution of the utility model, the heating structure includes an electric heating plate, a frame, a through hole and a grille groove. The electric heating plate is arranged on the inner wall of the furnace body, and a frame is distributed on one side of the electric heating plate. The back of the frame is provided with a through hole, and the side wall of the frame is provided with a grille groove.

[0007] As a preferred technical solution of the utility model, the inner wall of the frame is provided with a slide rail, the inner side of the frame is distributed with a moving frame, and the inner cavity of the moving frame is fixedly installed with a partition, and the outer side of the moving frame is rotatably connected with a pulley.

[0008] As a preferred technical solution of the utility model, the air inlet holes are evenly distributed on the front surface of the bellows, and the air inlet holes and the bellows form an integrated structure.

[0009] As a preferred technical solution of the present utility model, the grille grooves are symmetrically distributed along the vertical center line of the frame, and the grille grooves and the frame form an integrated structure.

[0010] As a preferred technical solution of the utility model, the movable frame is slidably connected to the slide rail via the pulley, and the pulleys are symmetrically distributed along the vertical center line of the movable frame.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By using the combination of the air cooler, filter cotton plate, honeycomb plate and activated carbon plate, it is convenient to use cold air to cool down the metal workpiece after the heating treatment. Compared with the existing natural cooling method, it is more convenient, faster and more efficient. When the air cooler is working, it will cool the air, and then the cooled air will be input into the inner side of the furnace body, so as to effectively cool down the heated metal workpiece;

[0013] 2. The combination of the pulley, the slide rail and the grille groove can facilitate the subsequent centralized removal of the heated metal workpieces, which is convenient and practical. It is no longer necessary to take out the metal workpieces one by one, and has higher efficiency. Since the entire mobile frame is slidably connected by the pulleys and the slide rails symmetrically arranged on both sides, it is only necessary to pull the mobile frame to separate the mobile frame from the furnace body through the movement of the pulley along the slide rail, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the high-temperature heating furnace for metal workpieces of the utility model;

[0015] Figure 2This is a schematic diagram of the rear view structure of the high-temperature heating furnace for metal workpieces of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the bellows of the high-temperature heating furnace for metal workpieces of the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the frame of the high-temperature heating furnace for metal workpieces of the utility model;

[0018] Among them: 1. furnace body; 2. sealing door; 3. bellows; 4. air inlet; 5. filter chamber; 6. filter cotton plate; 7. honeycomb plate; 8. activated carbon plate; 9. guide seat; 10. air cooler; 11. gas pipe; 12. solenoid valve; 13. electric heating plate; 14. frame; 15. through hole; 16. grille slot; 17. slide rail; 18. mobile frame; 19. partition; 20. pulley. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1 and Figure 2 As shown, the utility model provides a high-temperature heating furnace for metal workpieces, comprising a furnace body 1, the front surface of the furnace body 1 is rotatably connected with a sealing door 2 through a hinge, a bellows 3 is arranged at the top of the furnace body 1, and an air inlet 4 is opened on the front surface of the bellows 3, a filter chamber 5 is opened on the inner side of the bellows 3, and a filter cotton plate 6 is arranged on the inner side of the filter chamber 5, a honeycomb plate 7 is distributed on one side of the filter cotton plate 6, and an activated carbon plate 8 is distributed on the other side of the honeycomb plate 7, a guide seat 9 is distributed on the side of the activated carbon plate 8 away from the honeycomb plate 7, and a cooler 10 is installed on the inner side of the guide seat 9, a gas pipe 11 is connected to the side of the bellows 3 away from the air inlet 4, and a solenoid valve 12 is arranged on the surface of the gas pipe 11, and a heating structure is arranged on the inner side of the furnace body 1;

[0022] When in use, first open the sealing door 2, then place the metal workpiece to be heated inside the furnace body 1, then close the sealing door 2 again to achieve the sealing of the furnace body 1, and then use the electric heating plate 13 to heat the metal workpiece inside the furnace body 1. After the metal workpiece is heated, use the cold air generated by the cooling fan 10 to cool it down.

[0023] As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it includes a furnace body 1, the front surface of the furnace body 1 is connected to a sealed door 2 by a hinge, a bellows 3 is arranged on the top of the furnace body 1, and an air inlet 4 is opened on the front surface of the bellows 3, the air inlet 4 is equidistantly distributed on the front surface of the bellows 3, and the air inlet 4 and the bellows 3 form an integrated structure, a filter chamber 5 is opened on the inner side of the bellows 3, and a filter cotton plate 6 is arranged on the inner side of the filter chamber 5, a honeycomb plate 7 is distributed on one side of the filter cotton plate 6, and an activated carbon plate 8 is distributed on the other side of the honeycomb plate 7, a guide seat 9 is distributed on the side of the activated carbon plate 8 away from the honeycomb plate 7, and a cooler 10 is installed on the inner side of the guide seat 9, a gas pipe 11 is connected to the side of the bellows 3 away from the air inlet 4, and a solenoid valve 12 is arranged on the surface of the gas pipe 11, and an electric heating plate 13 is arranged on the inner wall of the furnace body 1 , and a frame 14 is distributed on one side of the electric heating plate 13, a through hole 15 is opened on the back of the frame 14, and a grille slot 16 is opened on the side wall of the frame 14, and the grille slot 16 is symmetrically distributed along the vertical center line of the frame 14, and the grille slot 16 and the frame 14 form an integrated structure, the electric heating plate 13, the frame 14, the through hole 15 and the grille slot 16 constitute a heating structure, and the heating structure is arranged on the inner side of the furnace body 1, and a slide rail 17 is arranged on the inner side wall of the frame 14, and a moving frame 18 is distributed on the inner side of the frame 14, and a partition 19 is fixedly installed in the inner cavity of the moving frame 18, and a pulley 20 is rotatably connected to the outer side of the moving frame 18, and the moving frame 18 is slidably connected to the slide rail 17 through the pulley 20, and the pulley 20 is symmetrically distributed along the vertical center line of the moving frame 18;

[0024] When the metal workpiece is placed on the surface of the multiple partitions 19 arranged on the inner side of the mobile frame 18, the electric heating plate 13 is powered on to generate heat, and then the generated heat enters the inner side of the frame 14 through the grille slots 16 opened on the side walls of the frame 14, so that the metal workpiece placed on the inner side of the mobile frame 18 can be heated. After the metal workpiece is heated, the air cooler 10 works to generate suction, and then the outside air is sucked into the inner side of the filter chamber 5 through the air inlet 4, and then the filter cotton plate 6 is used to perform preliminary filtration and purification on the air, and then the honeycomb plate 7 and the activated carbon plate 8 can be used to further remove the doped Impurities and other particles in the air are effectively removed, and then the treated air will enter the inner side of the furnace body 1 through the air delivery pipe 11, so as to use the cold air to cool the heated metal workpiece. Since the air delivery pipe 11 is closed by the solenoid valve 12, the solenoid valve 12 will be opened when the air cooler 10 is working, and the solenoid valve 12 will be closed when the air cooler 10 is not working, thereby closing the air delivery pipe 11 to prevent the high temperature inside the furnace body 1 from entering the inner side of the wind box 3. After the metal workpiece is cooled, the sealing door 2 is opened, and the movable frame 18 is pulled to slide along the slide rail 17 through the pulley 20.

[0025] Specific working principle:

[0026] When in use, first open the sealed door 2, then place the metal workpiece to be heated on the inner side of the furnace body 1, and then close the sealed door 2 again. When the metal workpiece is placed on the surface of the multiple partitions 19 arranged on the inner side of the movable frame 18, the electric heating plate 13 is energized to heat and generate heat, and then the generated heat enters the inner side of the frame 14 through the grille slot 16 opened on the side wall of the frame 14, so that the metal workpiece placed on the inner side of the movable frame 18 can be heated. Then, when the heating of the metal workpiece is completed, the air cooler 10 works to generate suction, and then the outside air is drawn into the inner side of the filter chamber 5 through the air inlet 4, and then the filter cotton plate 6 is used to perform preliminary filtration and purification on the air, and then the honeycomb plate 7 and the activated carbon plate 8 are used to further remove the impurities. Impurities and other particles mixed in the air are effectively removed, and then the treated air will enter the inner side of the furnace body 1 through the air supply pipe 11, so that the cold air can be used to cool the heated metal workpiece. Since the air supply pipe 11 is closed by the solenoid valve 12, the solenoid valve 12 will be opened when the cold air fan 10 is working, and the solenoid valve 12 will be closed when the cold air fan 10 is not working, thereby closing the air supply pipe 11 to prevent the high temperature inside the furnace body 1 from entering the inner side of the bellows 3. After the metal workpiece is cooled, the sealing door 2 is opened, and the movable frame 18 is pulled to slide along the slide rail 17 through the pulley 20. The entire structure no longer needs to cool the metal workpiece by natural cooling, which is convenient and fast, and has higher practicality.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-temperature heating furnace for metal workpieces, comprising a furnace body (1), characterized in that: The front surface of the furnace body (1) is rotatably connected to a sealing door (2) via a hinge; a bellows (3) is arranged at the top of the furnace body (1); an air inlet (4) is provided on the front surface of the bellows (3); a filter chamber (5) is provided on the inner side of the bellows (3); a filter cotton plate (6) is provided on the inner side of the filter chamber (5); a honeycomb plate (7) is distributed on one side of the filter cotton plate (6); an activated carbon plate (8) is distributed on the other side of the honeycomb plate (7); a guide seat (9) is distributed on the side of the activated carbon plate (8) away from the honeycomb plate (7); a cooling fan (10) is installed on the inner side of the guide seat (9); a gas supply pipe (11) is connected to the side of the bellows (3) away from the air inlet (4); a solenoid valve (12) is provided on the surface of the gas supply pipe (11); a heating structure is provided on the inner side of the furnace body (1).

2. A high temperature heating furnace for metal workpieces according to claim 1, characterized in that: The heating structure comprises an electric heating plate (13), a frame (14), a through hole (15) and a grille groove (16); the electric heating plate (13) is arranged on the inner wall of the furnace body (1), and a frame (14) is distributed on one side of the electric heating plate (13); a through hole (15) is provided on the back of the frame (14), and a grille groove (16) is provided on the side wall of the frame (14).

3. A high temperature heating furnace for metal workpieces according to claim 2, characterized in that: The inner wall of the frame (14) is provided with a slide rail (17), the inner side of the frame (14) is provided with a movable frame (18), the inner cavity of the movable frame (18) is fixedly installed with a partition plate (19), and the outer side of the movable frame (18) is rotatably connected with a pulley (20).

4. A high temperature heating furnace for metal workpieces according to claim 1, characterized in that: The air inlet holes (4) are distributed at equal intervals on the front surface of the bellows (3), and the air inlet holes (4) and the bellows (3) form an integrated structure.

5. A high temperature heating furnace for metal workpieces according to claim 2, characterized in that: The grille grooves (16) are symmetrically distributed along the vertical center line of the frame (14), and the grille grooves (16) and the frame (14) form an integrated structure.

6. A high temperature heating furnace for metal workpieces according to claim 3, characterized in that: The movable frame (18) is slidably connected to the slide rail (17) via the pulley (20), and the pulleys (20) are symmetrically distributed along the vertical center line of the movable frame (18).

Images