CN215328261U

CN215328261U - Agitating unit of tempering furnace

Info

Publication number: CN215328261U
Application number: CN202023045471.4U
Authority: CN
Inventors: 丁乾根; 丁保华; 蒋桃华; 金鑫; 吴晗齐
Original assignee: Dongtai Fenghua Furnace Industry Co ltd
Current assignee: Dongtai Fenghua Furnace Industry Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-12-28
Anticipated expiration: 2030-12-16

Abstract

The utility model provides a stirring device of a tempering furnace, which comprises a furnace body, heating pipes, a rotary platform and a rotating shaft, wherein a heating layer is arranged in the furnace body, a mounting hole is formed in the inner wall of the heating layer, the heating pipes are mounted on the mounting hole, a furnace chamber is arranged in the furnace body, the bottom of the furnace chamber is provided with the rotary platform, the bottom of the rotary platform is connected with a motor I, one side of the furnace body is provided with a motor II, a belt wheel I is arranged above the motor II, the motor II drives the belt wheel I to rotate, a belt wheel II is arranged above the furnace body, the belt wheel I and the belt wheel II are driven by a belt, the rotating shaft is arranged on the belt wheel II, penetrates through the furnace body and leads to the inside of the furnace chamber, the furnace chamber is connected with an air duct, and the air duct is connected with a fan. And a stirring device is added to enhance the convection motion of the air in the furnace, so that the workpiece is heated uniformly.

Description

Agitating unit of tempering furnace

Technical Field

The utility model belongs to the technical field of tempering furnaces, and particularly relates to a stirring device of a tempering furnace.

Background

Tempering is a heat treatment process for metals, in which a quenched workpiece is reheated to a suitable temperature below the lower critical temperature, and then cooled in a medium such as air, water, oil, or the like after being held for a certain period of time. The tempering furnace is 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. Because the tempering temperature is generally not high, the heat of the workpiece mainly depends on heat conduction, and most of the current markets have no stirring devices to ensure that the temperature in the furnace is uniform.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stirring device of a tempering furnace, which solves the problems in the background technology, enhances the air flow in the furnace and enables workpieces to be heated uniformly.

The utility model provides the following technical scheme:

the utility model provides an agitating unit of tempering furnace, includes furnace body, heating pipe, rotary platform and rotation axis, is equipped with the zone of heating in the furnace body, is equipped with the mounting hole on the zone of heating inner wall, installs the heating pipe on the mounting hole, be equipped with the furnace chamber in the furnace body, the furnace chamber bottom is equipped with rotary platform, and the rotary platform bottom is connected with motor one, and furnace body one side is equipped with motor two, and motor two tops are equipped with band pulley one, and motor two drives band pulley one and rotates, and the furnace body top is equipped with band pulley two, and band pulley one and band pulley two pass through belt drive, are equipped with the rotation axis on the band pulley two, and the rotation axis runs through the furnace body and accesss to the furnace intracavity, and the furnace chamber is connected with the wind channel, and the wind channel is connected with the fan.

Preferably, the rotating shaft is provided with a first blade, the rotating shaft is E-shaped, the tail end of the rotating shaft is connected with a second shaft and a third shaft which are arranged on two sides of the rotating shaft, the second shaft and the third shaft are respectively provided with a second bevel gear and a third bevel gear, the rotating shaft is provided with a first bevel gear, the first bevel gear is meshed with the second bevel gear and the third bevel gear, and the tail ends of the second shaft and the third shaft are provided with a second blade.

Preferably, the two blades are mounted perpendicularly with respect to the first blade.

Preferably, the distance between the second shaft and the first blade is greater than the length of the second blade.

Preferentially, the inner wall of the furnace chamber is provided with a temperature sensor which is electrically connected with the PLC control system

The utility model has the beneficial effects that: the stirring device is added to enhance the convection motion of air in the furnace, the temperature is uniform, the belt wheel is driven to rotate through the motor II, the transmission is stable, the rotating shaft is enabled to rotate, the blade I rotates around the rotating shaft, the blade II rotates around the shaft II and the shaft III, the stirring air flows, and the workpiece is enabled to be heated uniformly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front cross-sectional structural schematic view of the present invention;

FIG. 2 is a left side cross-sectional structural schematic view of the present invention;

fig. 3 is a schematic view of the structure of the rotating shaft of the present invention.

Labeled as: 1-furnace body, 2-heating pipe, 3-furnace chamber, 4-rotating platform, 5-motor I, 6-mounting hole, 7-temperature sensor, 8-motor II, 9-belt wheel I, 10-belt, 11-belt wheel II, 12-rotating shaft, 13-fan, 14-air duct, 15-heating layer, 16-blade I, 17-shaft II, 18-shaft III, 19-bevel gear I, 20-bevel gear II, 21-bevel gear III and 22-blade II.

Detailed Description

As shown in fig. 1, 2 and 3, the stirring device of a tempering furnace provided by the utility model comprises a furnace body 1, a heating pipe 2, a rotary platform 4 and a rotating shaft 12, wherein a heating layer 15 is arranged in the furnace body 1, a mounting hole 6 is arranged on the inner wall of the heating layer 15, the heating pipe 2 is mounted on the mounting hole 6, a furnace chamber 3 is arranged in the furnace body 1, the rotary platform 4 is arranged at the bottom of the furnace chamber 3, a motor I5 is connected to the bottom of the rotary platform 4, a motor II 8 is arranged at one side of the furnace body 1, a belt wheel I9 is arranged above the motor II 8, the motor II 8 drives the belt wheel I9 to rotate, a belt wheel II 11 is arranged above the furnace body 1, the belt wheel I9 and the belt wheel II 11 are driven by a belt 10, the belt wheel 11 is driven to rotate by the belt, the belt wheel I9 and the belt wheel II 11 are mounted outside the furnace body, so as to be convenient for maintenance, the rotating shaft 12 rotates stably and has small noise, the rotating shaft 12 is arranged on the belt wheel II 11, the rotating shaft 12 penetrates through the furnace body 1 and leads to the furnace chamber 3, the furnace chamber 3 is connected with an air duct 14, the air duct 14 is connected with a fan 13, and heat diffusion is accelerated through the fan 13 and the air duct 14. The inner wall of the furnace chamber 3 is provided with a temperature sensor 7, and the temperature sensor 7 is electrically connected with the PLC control system.

The blade I16 is arranged on the rotating shaft 12, the rotating shaft 12 is E-shaped, the tail end of the rotating shaft 12 is connected with a shaft II 17 and a shaft III 18 which are arranged on two sides of the rotating shaft 12, a bevel gear II 20 and a bevel gear III 21 are respectively arranged on the shaft II 17 and the shaft III 18, a bevel gear I19 is arranged on the rotating shaft 12, the bevel gear I19 is meshed with the bevel gear II 20 and the bevel gear III 21, the tail ends of the shaft II 17 and the shaft III 18 are provided with a blade II 22, and the blade II 22 is vertically arranged. The distance from the second shaft 17 to the first blade 16 is larger than the length of the second blade 22, the first blade 16 rotates around the rotating shaft 12, the second blade 22 rotates around the second shaft 17 and the third shaft 18 respectively, and the flow of air is greatly stirred through the installation and rotation of the second blade 22 and the first blade 16 in different directions, so that the temperature is uniformly distributed, and the workpiece is uniformly heated.

When the automatic rotating device is used, a workpiece is arranged on the rotating platform 4, the motor I5 drives the rotating platform 4 to rotate, the motor II 8 works, the motor II 8 drives the belt wheel I9 to rotate, the belt wheel I9 and the belt wheel II 11 are transmitted through a belt, the belt wheel 11 rotates, the rotating shaft 12 rotates along with the belt wheel I, the blade II 16 rotates, the bevel gear I19 is arranged on the rotating shaft 12, the bevel gear I19 drives the bevel gear II 20 and the bevel gear III 21 which are meshed with each other to rotate, and the blade II 22 rotates along with the bevel gear I.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stirring device of a tempering furnace comprises a furnace body (1), a heating pipe (2), a rotary platform (4) and a rotating shaft (12), and is characterized in that a heating layer (15) is arranged in the furnace body (1), a mounting hole (6) is formed in the inner wall of the heating layer (15), the heating pipe (2) is installed on the mounting hole (6), a furnace chamber (3) is arranged in the furnace body (1), the rotary platform (4) is arranged at the bottom of the furnace chamber (3), a first motor (5) is connected to the bottom of the rotary platform (4), a second motor (8) is arranged on one side of the furnace body (1), a first belt wheel (9) is arranged above the second motor (8), the first belt wheel (9) is driven by the second motor (8) to rotate, a second belt wheel (11) is arranged above the furnace body (1), the first belt wheel (9) and the second belt wheel (11) are driven by a belt (10), the second belt wheel (11) is provided with the rotating shaft (12), and the rotating shaft (12) runs through the furnace body (1) and leads into the furnace chamber (3), the furnace chamber (3) is connected with an air duct (14), and the air duct (14) is connected with a fan (13).

2. The stirring device of the tempering furnace according to claim 1, wherein a first blade (16) is arranged on the rotating shaft (12), the rotating shaft (12) is E-shaped, a second shaft (17) and a third shaft (18) are connected to the tail end of the rotating shaft (12) and are arranged on two sides of the rotating shaft (12), a second bevel gear (20) and a third bevel gear (21) are respectively arranged on the second shaft (17) and the third shaft (18), a first bevel gear (19) is arranged on the rotating shaft (12), the first bevel gear (19) is meshed with the second bevel gear (20) and the third bevel gear (21), and a second blade (22) is arranged at the tail ends of the second shaft (17) and the third shaft (18).

3. Stirring device of a tempering furnace according to claim 2, characterized in that said second blade (22) is mounted vertically with respect to said first blade (16).

4. The stirring device of the tempering furnace according to claim 2, wherein a distance from said second shaft (17) to said first blade (16) is greater than a length of said second blade (22).

5. The stirring device of the tempering furnace according to claim 1, wherein a temperature sensor (7) is disposed on an inner wall of the furnace chamber (3), and the temperature sensor (7) is electrically connected with the PLC control system.