CN216115412U

CN216115412U - Hot air stirring device of well type tempering furnace

Info

Publication number: CN216115412U
Application number: CN202121982757.7U
Authority: CN
Inventors: 符智慧; 符张波; 史博鑫
Original assignee: Wuxi Wisdom Taoyuan Mould Co ltd
Current assignee: Wuxi Wisdom Taoyuan Mould Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-22
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a hot air stirring device of a pit-type tempering furnace, which relates to the field of tempering furnaces, and adopts the technical scheme that the stirring device comprises a furnace body, a lifting device and a furnace cover, wherein one side of the furnace cover, which is close to the furnace body, is provided with fan blades, a flow guide mechanism is arranged inside the furnace body, and a plurality of flow guide plates are arranged inside the furnace body; flow guide mechanism is including installing the last exhaust box in the inside of furnace body, the internally mounted of furnace body has last inlet box, the internally mounted of last inlet box has last connecting pipe, the other end of going up the connecting pipe is linked together with the inside of last exhaust box, the internally mounted of furnace body has lower exhaust box, the externally mounted of furnace body has lower inlet box, the air current can enter into down the connecting pipe through lower inlet box at the in-process that removes, then the exhaust port discharges under the rethread, lower exhaust port can make the air current of the interior below of furnace body at the exhaust in-process be the whirl form, increase the circulation of device middle part and lower part air current, thereby guarantee the quality of the inside work piece processing of furnace body.

Description

Hot air stirring device of well type tempering furnace

Technical Field

The utility model relates to the technical field of tempering furnaces, in particular to a hot air stirring device of a well-type tempering furnace.

Background

The well type tempering furnace is a processing device commonly used in industrial production, is mainly used for tempering common metal parts in air and quenching, annealing and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, aluminum plates and the like, and is formed by welding section steel and steel plates.

Traditional well formula tempering furnace is owing to lack effectual hot-blast agitating unit in the use, and the inside hot gas flow of well formula tempering furnace is not enough even, and the hot gas flow of production can only heat a part work piece to the processing quality volume that leads to production differs, consequently needs a well formula tempering furnace hot-blast agitating unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that in the prior art, hot air flow inside a well-type tempering furnace is not uniform enough and is easy to generate heating dead angles, so that the processing quality of production is different, and provides a hot air stirring device of the well-type tempering furnace.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a hot air stirring device of a pit-type tempering furnace comprises a furnace body, a lifting device and a furnace cover, wherein fan blades are arranged on one side of the furnace cover close to the furnace body, a flow guide mechanism is arranged inside the furnace body, and a plurality of flow guide plates are arranged inside the furnace body;

the flow guide mechanism comprises an upper exhaust box arranged inside the furnace body, an upper exhaust box is arranged inside the furnace body, an upper connecting pipe is arranged inside the upper exhaust box, the other end of the upper connecting pipe is communicated with the inside of the upper exhaust box, a lower exhaust box is arranged inside the furnace body, a lower exhaust box is arranged outside the furnace body, a lower connecting pipe is arranged inside the lower exhaust box, and one end, far away from the lower exhaust box, of the lower connecting pipe is communicated with the inside of the lower exhaust box.

The above technical solution further comprises:

the outside of bell is provided with and is used for carrying out driven driving motor to the flabellum, driving motor passes through motor support and installs the outside of bell, driving motor's output shaft runs through the bell, driving motor's output shaft terminal with the outside of flabellum is connected.

The lifting device is arranged outside the furnace body, and the furnace cover is movably connected with the outside of the lifting device.

The upper air inlet box and the upper air outlet box are positioned on the same plane, and the lower air inlet box and the lower air outlet box are positioned on the same plane.

The furnace body is run through respectively at the both ends of going up the connecting pipe, the outside of going up the connecting pipe is provided with the insulation cover, the both ends of lower connecting pipe run through respectively the furnace body, the outside of lower connecting pipe is provided with down the insulation cover.

The upper exhaust box is provided with an upper exhaust port on the outside, the lower exhaust box is provided with a lower exhaust port on the outside, and the upper intake box and the lower intake box are opposite in opening direction.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the air flow stirring device is used, hot air in the furnace body can be stirred by wind power generated by rotation of the fan blades, the fan blades rotate to generate downward air flow, hot air flow can move downwards under the rotation of the fan blades, enters the upper connecting pipe through the upper air inlet box in the downward movement process and is then discharged through the upper air outlet, and the process can realize that the air flow in the furnace body is in a rotational flow shape and increase the circulation of the air flow in the middle and the upper part of the device.

2. According to the utility model, the air flow at the bottom of the furnace body can move upwards under the action of wind power generated by the fan blades, the air flow can enter the lower connecting pipe through the lower air inlet box in the moving process and then is discharged through the lower air outlet, and the air flow below the inner part of the furnace body can be in a rotational flow shape through the lower air outlet in the discharging process, so that the circulation of the air flow at the middle part and the lower part of the device is increased, and the processing quality of workpieces in the furnace body is ensured.

Drawings

Fig. 1 is a first schematic perspective view of a hot air stirring device of a pit-type tempering furnace according to the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a first internal schematic view of the present invention;

fig. 4 is a second internal structural diagram of the present invention.

In the figure: 1. a furnace body; 2. a lifting device; 3. a furnace cover; 4. a drive motor; 5. a fan blade; 6. an upper connecting pipe; 7. mounting a heat insulation sleeve; 8. a lower connecting pipe; 9. a lower heat insulation sleeve; 10. a baffle; 11. an upper inlet box; 12. an upper exhaust box; 13. an upper vent; 14. a lower air inlet box; 15. a lower exhaust box; 16. and a lower exhaust port.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, the motor detection device for the electric bicycle of the hot air stirring device of the pit-type tempering furnace comprises a furnace body 1, a lifting device 2 and a furnace cover 3, wherein one side of the furnace cover 3, which is close to the furnace body 1, is provided with fan blades 5, and a flow guide mechanism is arranged inside the furnace body 1;

the flow guide mechanism comprises an upper exhaust box 12 arranged inside the furnace body 1, an upper exhaust box 11 is arranged inside the furnace body 1, an upper connecting pipe 6 is arranged inside the upper exhaust box 11, the other end of the upper connecting pipe 6 is communicated with the inside of the upper exhaust box 12, a lower exhaust box 15 is arranged inside the furnace body 1, a lower exhaust box 14 is arranged outside the furnace body 1, a lower connecting pipe 8 is arranged inside the lower exhaust box 14, and one end, far away from the lower exhaust box 14, of the lower connecting pipe 8 is communicated with the inside of the lower exhaust box 15;

a driving motor 4 for driving the fan blades 5 is arranged outside the furnace cover 3, the driving motor 4 is arranged outside the furnace cover 3 through a motor support, an output shaft of the driving motor 4 penetrates through the furnace cover 3, the tail end of the output shaft of the driving motor 4 is connected with the outside of the fan blades 5, two ends of the upper air inlet box 11 and two ends of the lower air inlet box 14 are both arranged in an open manner, and two ends of the lower air outlet box 15 and two ends of the upper air outlet box 12 are both arranged in a closed manner;

the lifting device 2 is arranged outside the furnace body 1, the furnace cover 3 is movably connected with the outside of the lifting device 2, the upper air inlet box 11 and the upper air outlet box 12 are positioned on the same plane, and the lower air inlet box 14 and the lower air outlet box 15 are positioned on the same plane;

the upper exhaust box 12 has an upper exhaust port formed on the outside thereof, the lower exhaust box 15 has a lower exhaust port 16 formed on the outside thereof, and the upper intake box 11 and the lower intake box 14 have opposite opening directions.

The working principle of the hot air stirring device of the pit-type tempering furnace based on the first embodiment is that when the pit-type tempering furnace works, a workpiece needing to be processed is placed into the furnace body 1, then the lifting device 2 is started, the lifting device 2 drives the furnace cover 3 to move downwards, so that the furnace cover 3 seals the furnace body 1, and then the interior of the furnace body 1 is heated (the interior of the furnace body 1 is provided with a heating device which is not shown in the figure);

at the moment, the driving motor 4 is started, the driving motor 4 drives the fan blades 5 to start rotating, the fan blades 5 disturb the air flow inside the furnace body 1 in the rotating process, at the moment, the wind power generated by the rotation of the fan blades 5 can enable the hot air flow on the upper part of the furnace body 1 to move downwards, the hot air flow enters the upper connecting pipe 6 through the upper air inlet box 11 in the downward moving process, then enters the upper exhaust box 12 and is finally exhausted through the upper exhaust port, the process can enable the air flow inside the furnace body 1 to be in a rotational flow shape, and the circulation of the air flow in the middle and the upper part of the device is increased;

the effect of the wind-force that produces at flabellum 5 can make the hot gas flow that is in the furnace body 1 bottom move up down, the hot gas flow can enter into lower connecting pipe 8 through lower inlet box 14 at the in-process that removes, then enter into lower exhaust box 15 again, discharge through lower gas vent 16 at last, the hot gas flow that discharges through lower gas vent 16 can make the inside air current of below of furnace body 1 be the whirl form, increase the circulation of device middle part and lower part air current, thereby guarantee the quality of the inside work piece processing of furnace body 1.

Example two

As shown in fig. 1-2, based on the first embodiment, two ends of the upper connecting pipe 6 respectively penetrate through the furnace body 1, an upper thermal insulation sleeve 7 is arranged outside the upper connecting pipe 6, two ends of the lower connecting pipe 8 respectively penetrate through the furnace body 1, a lower thermal insulation sleeve 9 is arranged outside the lower connecting pipe 8, and a plurality of guide plates 10 are installed inside the furnace body 1.

Design like this in this embodiment, can play the water conservancy diversion effect to the air current that flabellum 5 produced through guide plate 10, and then make the air current be the whirl form, increase hot gas flow is at the inside motion degree of furnace body 1, realizes the stirring to the air current, goes up insulation cover 7 simultaneously and can keep warm the hot gas flow that the convection current advances inside connecting pipe 6 and lower connecting pipe 8 down, avoids the heat to leak.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A hot air stirring device of a pit-type tempering furnace comprises a furnace body (1), a lifting device (2) and a furnace cover (3), and is characterized in that one side, close to the furnace body (1), of the furnace cover (3) is provided with fan blades (5), a flow guide mechanism is arranged inside the furnace body (1), and a plurality of flow guide plates (10) are arranged inside the furnace body (1);

the flow guide mechanism comprises an upper exhaust box (12) arranged inside the furnace body (1), an upper intake box (11) is arranged inside the furnace body (1), an upper connecting pipe (6) is arranged inside the upper intake box (11), the other end of the upper connecting pipe (6) is communicated with the inside of the upper exhaust box (12), a lower exhaust box (15) is arranged inside the furnace body (1), a lower intake box (14) is arranged outside the furnace body (1), a lower connecting pipe (8) is arranged inside the lower intake box (14), and one end, far away from the lower intake box (14), of the lower connecting pipe (8) is communicated with the inside of the lower exhaust box (15).

2. The pit-type tempering furnace hot air stirring device according to claim 1, wherein a driving motor (4) for driving fan blades (5) is arranged outside the furnace cover (3), the driving motor (4) is installed outside the furnace cover (3) through a motor support, an output shaft of the driving motor (4) penetrates through the furnace cover (3), and the tail end of the output shaft of the driving motor (4) is connected with the outside of the fan blades (5).

3. The pit-type tempering furnace hot air stirring device according to claim 2, wherein said lifting device (2) is installed outside said furnace body (1), and said furnace cover (3) is movably connected with the outside of said lifting device (2).

4. A pit-type tempering furnace hot air stirring device according to claim 3, characterized in that said upper air intake box (11) and said upper air exhaust box (12) are in the same plane, and said lower air intake box (14) and said lower air exhaust box (15) are in the same plane.

5. The pit-type tempering furnace hot air stirring device according to claim 4, wherein two ends of said upper connecting pipe (6) are respectively penetrated through said furnace body (1), an upper heat insulation sleeve (7) is arranged outside said upper connecting pipe (6), two ends of said lower connecting pipe (8) are respectively penetrated through said furnace body (1), and a lower heat insulation sleeve (9) is arranged outside said lower connecting pipe (8).

6. The hot air stirring device of the pit-type tempering furnace according to claim 5, wherein an upper exhaust port is opened on the outside of the upper exhaust box (12), a lower exhaust port (16) is opened on the outside of the lower exhaust box (15), and the opening directions of the upper exhaust box (11) and the lower exhaust box (14) are opposite.