CN220670158U - Muffle furnace - Google Patents

Abstract

The utility model discloses a muffle furnace, which comprises: the box body, the heat dissipation layer, the heating layer and the electric cabinet; the heat dissipation layers are horizontally arranged in the box body to divide the inner cavity of the heat dissipation layer into a plurality of heat treatment spaces, and the two sides of the heat dissipation layers penetrate through the side wall of the box body and are positioned outside the box body respectively; the side wall of the box body is provided with a furnace door corresponding to the heat treatment space; the heating layers are arranged in a plurality of ways and are respectively and correspondingly arranged in the heat treatment space in a surrounding way, one end of each heating layer is provided with an opening, and the heating layers and the furnace door form a hearth; the electric cabinet is electrically connected with the heating layer. The muffle furnace designed by the utility model not only can increase the presintering space, but also can meet the requirement of presintering different types of powder simultaneously, simultaneously reduces the occupied area, improves the space utilization rate and is convenient for operation.

Description

Muffle furnace

Technical Field

The utility model relates to the technical field of muffle furnaces, in particular to a multilayer muffle furnace.

Background

The production process of the magnetic core is roughly divided into: proportioning materials, mixing materials, presintering, sanding, drying, stirring, granulating, evaporating to remove water, sieving, evaporating again to remove water, and compacting; the presintering is used as a ring in the experimental process, and the main purpose is to perform primary sintering on materials, so that the powder material obtains a procedure with related performance, and therefore, the presintering plays a vital role on experimental results.

The presintering process is usually carried out in the muffle furnace, but the existing muffle furnace is of a single-layer structure, only a heat treatment space can be provided, presintering can be carried out on one powder at a time, the presintering space is limited, if the presintering of various powder materials is wanted simultaneously or needs to be carried out in batches, the presintering process can only be carried out by purchasing a plurality of muffle furnaces, the space occupation of the plurality of muffle furnaces is more, each muffle furnace is a system, and the presintering process needs to be carried out between each muffle furnace, so that the operation is not facilitated.

Therefore, how to provide a muffle furnace which not only can increase the presintering space, but also can meet the needs of different kinds of powder materials to presintere simultaneously, reduce the occupied area, improve the space utilization rate and facilitate the operation is a problem to be solved by the technical personnel in the art.

Disclosure of Invention

In view of the above, the utility model provides the muffle furnace, which not only can increase the presintering space, but also can meet the requirement of presintering different kinds of powder simultaneously, simultaneously reduces the occupied area, improves the space utilization rate and is convenient to operate.

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

a muffle furnace, comprising: the box body, the heat dissipation layer, the heating layer and the electric cabinet;

the heat dissipation layers are horizontally arranged in the box body and divide the inner cavity of the heat dissipation layers into a plurality of heat treatment spaces, and two sides of the heat dissipation layers penetrate through the side walls of the box body and are positioned outside the box body respectively; furnace doors are arranged at the positions of the side walls of the box body, corresponding to the heat treatment space, the heating layers are arranged in the heat treatment space in a plurality of mode and are arranged in the heat treatment space in a corresponding mode, one end of each heating layer is opened to form a closed hearth together with the furnace doors, and the electric cabinet is electrically connected with the heating layers.

Through the technical scheme, the muffle furnace is provided, a plurality of independent heat treatment spaces are vertically formed through the arrangement of the heat dissipation layers, and each heat treatment space is internally provided with the hearth, so that the presintering space is increased, and the occupied area is reduced; through the arrangement that the two sides of the heat dissipation layer are communicated and respectively penetrate through the outer part of the side wall of the box body, the inner part of the heat dissipation layer is communicated with the outer part of the box body, the heat dissipation performance is improved, redundant heat between the upper hearth and the lower hearth is effectively taken away, and the temperature mutual interference between the upper hearth and the lower hearth is avoided; the heating layers of the plurality of hearths are respectively electrically connected with the electric cabinet, so that the temperatures in the plurality of hearths can be independently controlled, different types of powder can be met for simultaneous presintering, the space utilization rate of the powder is improved, the electric cabinet can be directly controlled on the temperatures of the plurality of hearths, and the operation is convenient.

Preferably, the heat treatment space is provided with a heat-resistant layer corresponding to the upper end of the heat dissipation layer, and the heating layer is arranged at the upper end of the heat-resistant layer.

Further, the heat-resistant layer is formed by laying mullite. The setting of this structure can support furnace, and can withstand furnace's high temperature heat, avoids high temperature to lead to the heat dissipation layer to damage.

Further, the electric cabinet is arranged independently, and is spaced from the cabinet by a certain distance. The arrangement of the structure can avoid the influence of the high temperature of the box body on the electric control box to damage the electric control box.

Preferably, the heat dissipation layer is formed by paving a plurality of heat dissipation pipes with openings at two ends, two ends of each heat dissipation pipe penetrate through the side wall of the box body, and the inside of each heat dissipation pipe is communicated with the outside of the box body.

Preferably, a pull plate is arranged below the furnace door, pull grooves are formed in two sides of the box body corresponding to the heat treatment space, the two sides of the pull plate are respectively positioned in the pull grooves, pull rods are formed by extending the two sides of the pull plate, supporting pieces are correspondingly arranged on the two sides of the box body, and sliding grooves matched with the pull rods are formed in the supporting pieces.

Further, a limiting piece is arranged at the position of the chute close to the opening end of the chute.

By adopting the technical scheme, after presintering is finished, the presintering finished product can be conveniently placed on the pulling plate for cooling treatment by pulling out the pulling plate.

Further, the automatic feeding device also comprises a receiving rack, wherein the receiving rack is arranged at the upper end of the pulling plate. After the pulling plate is pulled out, the material receiving frame is arranged on the pulling plate, and the material receiving frame is subjected to cooling treatment, so that the cooled material can be conveniently transferred.

Preferably, an insulating layer is paved on the inner side wall of the hearth. The arrangement of the structure can effectively prevent heat loss and improve the heat efficiency.

Compared with the prior art, the muffle furnace provided by the utility model has the following beneficial effects: a plurality of independent hearths can be formed, the presintering space is increased, and the occupied area is reduced; the temperature of each hearth can be independently controlled, so that different kinds of powder can be presintered simultaneously, and the yield and the space utilization rate are improved; the heat dissipation performance can be effectively improved, excessive heat between the upper hearth and the lower hearth is taken away, and the temperature mutual interference between the upper hearth and the lower hearth is avoided; the temperature of a plurality of hearths can be directly controlled through the electric cabinet, so that the operation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall block diagram of a muffle furnace of the present utility model;

FIG. 2 is a side view of a muffle of the present utility model;

FIG. 3 is a side cross-sectional view of a muffle of the present utility model;

wherein 1 is a box body; 2 is a heat dissipation layer; 3 is a heating layer; 4 is a hearth; 5 is a furnace door; 6 is an electric cabinet; 7 is a heat treatment space; 8 is a heat-resistant layer; 9 is a radiating pipe; 10 is a pulling plate; 11 is a pull groove; 12 is an insulating layer; 13 is a material receiving frame; 14 are supports.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an embodiment of the present utility model discloses a muffle furnace, comprising: the heat dissipation device comprises a box body 1, a heat dissipation layer 2, a heating layer 3 and an electric control box 6;

the heat dissipation layers 2 are horizontally arranged inside the box body 1 and divide the inner cavity of the heat dissipation layers into a plurality of heat treatment spaces 7, and the two sides of the heat dissipation layers 2 are communicated and respectively pass through the side wall of the box body 1 to be positioned outside the box body 1; the side wall of the box body 1 is provided with a furnace door 5 corresponding to the heat treatment space; the heating layer 3 is a plurality of and corresponds to the setting respectively at heat treatment space 7 and enclose jointly with furnace gate 5 and establish furnace 4, electric cabinet 6 and heating layer 3 electricity are connected.

In order to further optimize the technical scheme, the heat treatment space 7 is provided with a heat-resistant layer 8 corresponding to the upper end of the heat dissipation layer, and the heating layer 3 is arranged at the upper end of the heat-resistant layer 8.

In order to further optimize the technical scheme, the heat dissipation layer 2 is formed by paving a plurality of heat dissipation pipes 9 with openings at two ends, two ends of each heat dissipation pipe 9 penetrate through the side wall of the box body 1, and the inside of each heat dissipation pipe 9 is communicated with the outside of the box body 1.

In order to further optimize the technical scheme, a pull plate 10 is arranged below the furnace door 5, pull grooves 11 are formed in two sides of the box body 1 corresponding to the heat treatment space 7, two sides of the pull plate 10 are respectively positioned in the pull grooves 11, pull rods are formed by extending two sides of the pull plate, supporting pieces 14 are correspondingly arranged on two sides of the box body 1, and sliding grooves matched with the pull rods are formed in the supporting pieces 14.

Further, a limiting piece is arranged at the position of the chute close to the opening end of the chute.

In order to further optimize the technical scheme, the inner side wall of the hearth 4 is paved with a heat preservation layer 12.

The utility model provides a muffle furnace, which has the following beneficial effects: a plurality of independent hearths can be formed, the presintering space is increased, and the occupied area is reduced; the temperature of each hearth can be independently controlled, so that different kinds of powder can be presintered simultaneously, and the yield and the space utilization rate are improved; the heat dissipation performance can be effectively improved, excessive heat between the upper hearth and the lower hearth is taken away, and the temperature mutual interference between the upper hearth and the lower hearth is avoided; the temperature of a plurality of hearths can be directly controlled through the electric cabinet, so that the operation is convenient.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A muffle furnace, comprising: the box body (1), the heat dissipation layer (2), the heating layer (3) and the electric cabinet (6);

the heat dissipation layers (2) are transversely arranged in the box body (1) and divide the inner cavity of the heat dissipation layers into a plurality of heat treatment spaces (7), and the two sides of the heat dissipation layers (2) are communicated and respectively penetrate through the side wall of the box body (1); the heating layers (3) are arranged in the heat treatment space (7) correspondingly and are arranged in a surrounding manner to form a hearth (4), the hearth (4) is provided with an opening, and the side wall of the box body (1) is provided with a furnace door (5) corresponding to the opening; the electric cabinet (6) is electrically connected with the heating layers (3) respectively.

2. A muffle according to claim 1, wherein the heat treatment space (7) is provided with a heat-resistant layer (8) corresponding to the upper end of the heat-dissipating layer (2), and the heating layer (3) is provided at the upper end of the heat-resistant layer (8).

3. The muffle furnace according to claim 1, wherein the heat dissipation layer (2) is formed by paving a plurality of heat dissipation pipes (9) with openings at two ends, two ends of each heat dissipation pipe (9) penetrate through the side wall of the box body (1) and the inside of each heat dissipation pipe (9) is communicated with the outside of the box body (1).

4. The muffle furnace according to claim 1, wherein a pull plate (10) is arranged below the furnace door (5), pull grooves (11) are formed in two side walls of the box body (1) corresponding to the heat treatment space (7), two sides of the pull plate (10) are respectively positioned in the pull grooves (11) and two sides of the pull plate extend to form pull rods, supporting pieces (14) are correspondingly arranged on two side walls of the box body (1), and sliding grooves matched with the pull rods are formed in the supporting pieces (14).

5. The muffle of claim 4, wherein the chute is provided with a stop member adjacent the open end thereof.

6. A muffle according to claim 1, wherein the inner side wall of the furnace (4) is provided with a heat insulating layer (12).