CN215447429U

CN215447429U - Tube furnace assembly

Info

Publication number: CN215447429U
Application number: CN202121747075.8U
Authority: CN
Inventors: 周佳崎; 凤旭; 徐晓伟
Original assignee: Shanghai Micro X Furnace Industry Co ltd
Current assignee: Shanghai Micro X Furnace Industry Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-07
Anticipated expiration: 2031-07-29

Abstract

The application relates to a tube furnace assembly, it includes: the device comprises a tubular furnace, wherein a material tray is arranged in the tubular furnace; and the lifting assembly is directly or indirectly connected with the material tray so as to drive the material tray to move in the vertical direction of the tube furnace. This tube furnace subassembly goes up and down in the vertical direction to the charging tray in the tube furnace through setting up lifting unit, can make things convenient for the operator to operate to the area of device has been reduced.

Description

Tube furnace assembly

Technical Field

The utility model relates to a tubular furnace assembly, and belongs to the field of high-temperature heating equipment.

Background

Heat treatment refers to a hot metal working process in which a material is heated, held, cooled, etc. in the solid state to achieve a desired texture and properties. The heating temperature is one of important process parameters of the heat treatment process, and the selection and control of the heating temperature are important problems for ensuring the heat treatment quality; the heating temperature varies depending on the metal material to be treated and the purpose of the heat treatment. But is generally heated above the transformation temperature to achieve a high temperature texture. In addition, the phase transformation requires a certain time, so when the surface of the metal workpiece reaches the required heating temperature, the temperature is kept for a certain time to keep the internal and external temperatures consistent. The cooling is also an indispensable step of the heat treatment process, and the cooling method comprises annealing, quenching, tempering and normalizing according to different heat treatment processes, and mainly controls the cooling speed; generally, the cooling speed of annealing is the slowest, the cooling speed of normalizing is faster, the cooling speed of quenching is faster, and tempering is cooling after heating and heat preservation after quenching.

The tubular heat treatment system is mainly used for the occasions of vacuum sintering, atmosphere protection sintering, vacuum coating, CVD experiments, material component measurement and the like in the industries of rare earth preparation, electronic illumination, crystal annealing, biological ceramics, electronic ceramics, special alloys, magnetic materials, casting, metal heat treatment and the like. However, the existing tubular heat treatment system has the problems of inconvenient feeding, slow temperature rise and the like.

Disclosure of Invention

The object of the present invention is to provide a tube furnace assembly comprising:

the device comprises a tubular furnace, wherein a material tray is arranged in the tubular furnace;

and the lifting assembly is directly or indirectly connected with the material tray so as to drive the material tray to move in the vertical direction of the tube furnace.

Furthermore, a first flange is arranged at the top of the tube furnace, and the material tray is connected with the first flange.

Further, the lifting assembly is connected with the first flange to drive the material tray to move.

Further, a sealing ring is arranged at the joint of the first flange and the tube furnace.

Furthermore, a second flange is arranged at the bottom of the tube furnace, and an air exhaust hole is formed in the second flange.

Further, the lifting assembly comprises a linear guide rail which is vertically arranged, a screw rod which is arranged on the linear guide rail, and a motor which is used for driving the screw rod.

Further, the top of the screw rod is connected with the first flange through a connecting piece.

Furthermore, the connecting piece is a connecting plate, a threaded hole is formed in the connecting plate, and the connecting plate is connected with the screw rod and the first flange through the threaded hole respectively.

Compared with the prior art, the beneficial effect of this application lies in: the utility model provides a tubular furnace subassembly is through setting up lifting unit to go up and down in vertical direction to the charging tray in the tubular furnace, can make things convenient for the operator to operate to the area of device has been reduced.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is a schematic front view of a tubular heat treatment system according to one embodiment of the present application;

FIG. 2 is a schematic backside view of a tubular thermal processing system according to one embodiment of the present application;

fig. 3 is a schematic structural diagram of a heating mechanism in a tube heat treatment system according to an embodiment of the present application.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

It should be noted that: the terms "upper", "lower", "left", "right", "inner" and "outer" of the present invention are used for describing the present invention with reference to the drawings, and are not intended to be limiting terms.

The tube furnace assembly of the present application is primarily used in a tube heat treatment system, which is described below.

Referring to fig. 1 to 3, a tubular heat treatment system according to an embodiment of the present application includes a frame 1 and a control system, wherein a tubular furnace 2, a heating mechanism 3, a lifting assembly 4 and a vacuum system 5 are disposed on the frame 1. Wherein, the tube furnace 2 is vertically arranged on the frame body 1, and a material tray is arranged in the tube furnace 2. The heating mechanism 3 of the present application then includes at least two interconnected heating cavities 31, and when this tubular heat treatment furnace was in operating condition, a plurality of heating cavities 31 sealing connection wrapped up tubular furnace 2 all around to realize heating it.

Specifically, the heating cavity 31 includes an insulated housing 311 and a heating assembly 312 disposed in the insulated housing 311, wherein the heating assembly 312 includes a plurality of heating blocks 310 for wrapping the tube furnace 2. In this embodiment, the heating mechanism 3 includes two heating cavities 31 vertically disposed on the rack body 1, and the two heating cavities 31 are detachably connected; when the tube type heat treatment system is in an operating state, the two heating cavities 31 wrap the tube type furnace 2 and form a sealing structure. Moreover, the heating blocks 310 are heating resistance wires uniformly arranged in the vertical direction of the heating cavity 31, and the heating resistance wires are in a semicircular structure; when the tubular heat treatment system is in a working state, the heating resistance wires on the two heating cavities 31 wrap the tubular furnace 2. Indeed, in other embodiments, the selection and arrangement of the heating block 310 may be selected according to actual needs. The heating effect can be obviously improved by adopting the arrangement mode in the embodiment, and the tubular furnace 2 is ensured to be heated uniformly.

In this embodiment, the heating cavity 31 further includes a heat dissipation layer 313 disposed outside the heat insulation housing 311, and the heat dissipation layer 313 is provided with a plurality of heat dissipation holes 3131.

In the heating mechanism 3 of the present application, the heating chambers 31 are hermetically connected to form a heating region therein, and in the present embodiment, two heating chambers 31 are hermetically connected to form a cylindrical heating region in consideration of the shape of the tube furnace 2. Specifically, the heat insulation housing 311 is a rectangular parallelepiped structure, and the heating element 312 is recessed in the heat insulation housing 311 to form a semi-cylindrical structure; indeed, in other embodiments, more heating cavities 31 may be employed.

In this embodiment, the top of the tube furnace 2 is provided with a first flange 21, the material tray is connected with the first flange 21, and the lifting assembly 4 is connected with the first flange 21 to drive the material tray to move. In order to ensure the sealing of the tube furnace 2, a sealing ring is provided at the connection of the first flange 21 to the tube furnace 2. And a second flange 22 is arranged at the bottom of the tube furnace 2, and an air suction hole is formed in the second flange 22 and is used for being connected with the vacuum system 5 of the tube type heat treatment system.

In this embodiment, the lifting assembly 4 includes a linear guide 41 vertically disposed on the frame body 1, a screw rod 42 disposed on the linear guide 41, and a motor 43 for driving the screw rod 42. The top of the screw rod 42 is connected to the first flange 21 through a connecting member 44, in this embodiment, the connecting member 44 is a connecting plate, a threaded hole is formed in the connecting plate 44, and the connecting plate 44 is connected to the screw rod 42 and the first flange 21 through the threaded hole. When feeding and discharging, the screw rod 42 is controlled by the motor 43 to drive the first flange 21 to move in the vertical direction, so as to drive the material tray to move, so that feeding and discharging are facilitated. Meanwhile, the tubular heat treatment system of the present application further comprises a control system 6, and the control system 6 is electrically connected with the heating mechanism 3, the lifting assembly 4 and the vacuum system 5 to control the same.

In summary, the following steps: the utility model provides a tubular heat treatment system wraps up the heating through setting up two at least heating chambeies around to the furnace body of tubular furnace, can show its programming rate that improves to good leakproofness and radiating effect have. Simultaneously, the material tray in the tube furnace is lifted in the vertical direction by arranging the lifting component, so that an operator can operate conveniently, and the occupied area of the device is reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A tube furnace assembly, comprising:

2. The tube furnace assembly of claim 1, wherein a first flange is provided on a top of the tube furnace, and the tray is connected to the first flange.

3. The tube furnace assembly of claim 2, wherein the elevator assembly is coupled to the first flange to move the tray.

4. The tube furnace assembly of claim 2, wherein a seal is provided at the connection of the first flange to the tube furnace.

5. The tube furnace assembly of claim 1, wherein a second flange is provided at the bottom of the tube furnace, and the second flange is provided with a gas extraction hole.

6. The tube furnace assembly of claim 2, wherein the lift assembly comprises a vertically disposed linear guide, a lead screw disposed on the linear guide, and a motor for driving the lead screw.

7. The tube furnace assembly of claim 6, wherein a top portion of the lead screw is coupled to the first flange by a coupling.

8. The tube furnace assembly according to claim 7, wherein the connecting member is a connecting plate, the connecting plate is provided with a threaded hole, and the connecting plate is connected with the screw rod and the first flange through the threaded hole respectively.