CN211595736U - Annealing furnace - Google Patents

Abstract

The utility model relates to the field of heat preservation annealing equipment, in particular to an annealing furnace, bearings are symmetrically embedded on both sides of the inner wall of a shell, rotating shafts are arranged in the bearings, one end of each rotating shaft in the shell is fixedly connected with a circular support plate, a plurality of object carrying baskets are rotatably connected between the support plates, the inner surface of the shell is covered with a heat insulation layer, heating devices are symmetrically arranged at the upper end and the lower end in the shell, have a plurality of closed doors and a plurality of cylinders that are used for opening and shutting the closed door in the casing one side sliding connection who faces with the bearing, the work end of cylinder all with closed door fixed connection, the top surface of the housing is provided with power device and air exhauster, power device's output fixedly connected with initiative sprocket, the driven sprocket of the outer one end fixedly connected with of rotation axis casing, is equipped with the chain on initiative sprocket and the driven sprocket, the utility model aims to solve the inhomogeneous problem of being heated to annealing goods in traditional annealing stove.

Description

Annealing furnace

Technical Field

The utility model relates to a heat preservation annealing equipment field specifically discloses an annealing stove.

Background

At present, in the research and development and production fields of mechanical parts or semiconductor devices, a heat treatment process is used, annealing in the heat treatment process is an extremely important link, an electric heating furnace or a gas furnace is generally adopted to heat and preserve heat of the parts when a heat preservation annealing process is carried out at present, the heat preservation annealing process has the advantages of simple operation and very large energy consumption, the control of the temperature in the furnace and the annealing time is completely dependent on experience, and the heat distribution of heating parts is unreasonable, so that the heating in the furnace is uneven, the annealing degree is different, the subsequent processing is influenced, the quality of a final finished product is indirectly influenced, for example, cracks are easily generated on the product, and the traditional annealing furnace has the advantages of single cooling mode, poor cooling effect and slow cooling.

In order to solve the above problems, an annealing furnace is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the annealing product is heated unevenly in the traditional annealing furnace.

In order to achieve the purpose, the basic scheme of the utility model provides an annealing furnace, which comprises a shell, bearings are symmetrically embedded on two sides of the inner wall of the shell, rotating shafts are arranged in the bearings, one ends of the rotating shafts in the shell are fixedly connected with circular support plates, a plurality of object carrying baskets are rotatably connected between the support plates, a heat insulation layer covers the inner surface of the shell, heating devices are symmetrically arranged at the upper end and the lower end in the shell, a plurality of closed doors and a plurality of cylinders for opening and closing the closed doors are slidably connected to one surface of the shell adjacent to the bearings, and the working ends of the cylinders are fixedly connected with the closed doors;

the top surface of the shell is provided with a power device and an exhaust fan, the output end of the power device is fixedly connected with a driving sprocket, one end of a rotating shaft outside the shell is fixedly connected with a driven sprocket, and chains are arranged on the driving sprocket and the driven sprocket.

The principle and effect of this basic scheme lie in:

1. compared with the prior art, the power device drives the bearing and the support plate to rotate, so that the product can continuously rotate along with the carrier basket in the annealing process, the uniform heating of the product is ensured, the annealing quality of the product is improved, the carrier basket is also ensured to stably operate, the swing amount is small during automatic operation, and the phenomenon of furnace turning cannot be generated.

2. Compared with the prior art, the arranged exhaust fan can change the hot air content in the annealing furnace according to the requirement of a user or the annealing process of a product in the working process of the annealing furnace, thereby improving the annealing efficiency and the cooling efficiency.

3. Compared with the prior art, the air cylinders are arranged on the closed door and can be used for automatically and selectively opening or closing the annealing furnace, so that the working environment quality of workers is improved while the workload of the workers is reduced, and the annealing furnace does not need to be opened or closed by high temperature.

Furthermore, the chain outside is provided with the safety cover that is used for keeping apart the dust, and safety cover edge both sides are equipped with a plurality of locking screws that are used for fixed safety cover. Not only protected the workman and touched the chain and taken place danger at the during operation, still protected the chain not receive external dust interference, chain and driven bearing external mounting are convenient for carry out daily lubrication and maintenance simultaneously.

Furthermore, a heating device switch is arranged on the contact surface of the closed door. And a protection setting is provided to ensure that heating can be performed after the switch-off.

Further, the air exhauster electricity is connected with and is used for controlling the relay that the air exhauster can corotation and reversal, and the air inlet of air exhauster is provided with the filter screen that is used for filtering the dust. Hot air or external cold air in the annealing furnace can be selectively pumped out according to the requirement of the annealing process, so that the annealing efficiency is improved; in the air intake or exhaust process, the filter screen effectively filters dust in the air, and the annealing furnace and the workshop environment are protected.

Furthermore, one side of the shell is provided with a touch screen for operation and an operation key for operating the exhaust fan, the power device and the closed door. And various temperature and annealing time settings and controls are provided.

Further, the cylinder, the touch screen and the operation keys for operating the exhaust fan, the power device and the closed door are all provided with heat insulation devices. Avoid high temperature loss various components and parts, cause the annealing stove trouble.

Furthermore, the carrying basket is made of large grid iron wires. The hot air is ensured to be smoothly blown to all parts of the object carrying basket, so that the product is uniformly heated.

Drawings

FIG. 1 is a cross-sectional view of an annealing furnace according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an annealing furnace according to an embodiment of the present invention.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a shell 1, a heat insulation layer 2, a driven sprocket 31, a driving sprocket 32, a chain 4, a protective cover 5, a power device 6, an exhaust fan 7, a heating device 8, a carrying basket 9, a rotating shaft 10, a support plate 11, a cylinder 12, a closing door 13 and a locking screw 14.

An annealing furnace, for example, bearings are symmetrically embedded on two sides of the inner wall of a shell 1 shown in fig. 1, a rotating shaft 10 is arranged in each bearing, one end of each rotating shaft 10 in the shell is fixedly connected with a circular support plate 11, six object carrying baskets 9 are rotatably connected between the support plates 11, the object carrying baskets 9 are made of large grid iron wires, the inner surface of the shell 1 is covered with a heat insulation layer 2, heating devices 8 are symmetrically arranged at the upper end and the lower end of the inner part of the shell 1, as shown in fig. 2, one surface of the shell 1 adjacent to the bearings is slidably connected with two closed doors 13 and an air cylinder 12 for opening and closing the closed doors, two air cylinders 12 are symmetrically arranged at the upper end and the lower end of the front surface of the shell 1, movable rods of the two air cylinders 12 at the upper end are connected with the closed doors 13 at the upper end, the two air cylinders 12 at the lower, The power device and the operation key of the closing door, in order to prevent the annealing furnace from breaking down in work, the cylinder 12, the touch screen and the operation key for operating the exhaust fan, the power device and the closing door are all provided with heat insulation devices.

As shown in fig. 1 and 2, the left side of the top surface of the casing 1 is provided with a power device 6, the right side of the top surface of the casing 1 is provided with an exhaust fan 7, the exhaust fan 7 can be positively rotated and reversely rotated by a relay, an air inlet of the exhaust fan 7 is provided with a filter screen for filtering dust, a power output end of the power device 6 is coplanar with a left bearing, an output end of the power device 6 is fixedly connected with a driving sprocket 32, one end of a rotating shaft outside the casing is fixedly connected with a driven sprocket 3, the driving sprocket 32 and the driven sprocket 3 are provided with a chain 4, the outer side of the chain 4 is provided with a protective cover 5 for isolating dust, and two sides of the edge of the protective.

When the annealing furnace is used, the annealing furnace is firstly fixed at a working position, the power supply is switched on, the air cylinder 12 is communicated with the air pump through the air pipe, the early-stage preparation work of the annealing furnace is completed, and the annealing work of products can be started.

The cylinder 12 is pressed to start the button, the closing door 13 is opened, the switch of the heating device 8 is disconnected, then the product to be annealed is placed on the carrying baskets 9, and attention needs to be paid to the fact that the product is uniformly placed on each carrying basket 9 as much as possible, and prevent the products from overlapping, guarantee the products are heated evenly, after the products are placed, the placing worker retreats to the safe distance, the cylinder 12 start button is pressed again, the closing door 13 is closed, the switch of the heating device 8 is closed, the operation worker starts to set the temperature and the annealing time of the annealing furnace at the position provided with the touch screen and various operation keys, after the setting is completed, the power device 6 starts to work, the object carrying basket 9 changes the relative position in the annealing furnace along with the work of the power device 6, the heating device 8 starts to heat, the products can start to anneal, meanwhile, the operator can control the gas inlet and outlet mode of the exhaust fan 7 according to the requirement of the annealing process of the product.

After the annealing of the product is finished, the cylinder 12 is pressed to start the button, the closing door 13 is opened, the switch of the heating device 8 is disconnected, and the product placed in the carrying basket 9 is taken out, so that the annealing process of the product is finished.

After annealing stove has worked a period of time, the lubricating oil on drive sprocket, driven sprocket 3 and the chain 4 reduces, and frictional force increases, leads to transmission efficiency to reduce, influences annealing efficiency, just need open safety cover 5 this moment, for, drive sprocket, driven sprocket 3 and chain 4 lubricate and overhaul, guarantee annealing efficiency, accomplish lubricated and overhaul the back, install safety cover 5 through locking screw 14, this annealing stove alright continue annealing work.

This device is in the use, and not only the effectual inhomogeneous problem of being heated of having solved goods in traditional annealing stove has guaranteed the annealing quality of goods, has still improved annealing efficiency, is convenient for promote on a large scale and makes.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (7)

1. The annealing furnace is characterized by comprising a shell, bearings are symmetrically embedded in two sides of the inner wall of the shell, rotating shafts are arranged in the bearings, one ends of the rotating shafts in the shell are fixedly connected with circular support plates, a plurality of object carrying baskets are rotatably connected between the support plates, a heat insulation layer covers the inner surface of the shell, heating devices are symmetrically arranged at the upper end and the lower end in the shell, a plurality of closed doors and a plurality of cylinders for opening and closing the closed doors are slidably connected to one surface of the shell adjacent to the bearings, and the working ends of the cylinders are fixedly connected with the closed doors;

the top surface of the shell is provided with a power device and an exhaust fan, the output end of the power device is fixedly connected with a driving sprocket, one end of a rotating shaft outside the shell is fixedly connected with a driven sprocket, and chains are arranged on the driving sprocket and the driven sprocket.

2. An annealing furnace according to claim 1, characterized in that: the chain outside is provided with the safety cover that is used for keeping apart the dust, and safety cover edge both sides are equipped with a plurality of locking screws that are used for fixed safety cover.

3. An annealing furnace according to claim 1, characterized in that: and a heating device switch is arranged on the contact surface of the closed door.

4. An annealing furnace according to claim 1, characterized in that: the exhaust fan is electrically connected with a relay for controlling the exhaust fan to rotate positively and negatively, and a filter screen for filtering dust is arranged at an air inlet of the exhaust fan.

5. An annealing furnace according to claim 1, characterized in that: and one side of the shell is provided with a touch screen for operation and an operation key for operating the exhaust fan, the power device and the closed door.

6. An annealing furnace according to claim 5, characterized in that: the cylinder, the touch screen and the operation keys for operating the exhaust fan, the power device and the closed door are all provided with heat insulation devices.

7. An annealing furnace according to claim 1, characterized in that: the carrying basket is made of large-mesh iron wires.

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