CN219607697U - Energy-saving box-type resistance furnace - Google Patents

Abstract

The utility model discloses an energy-saving box-type resistance furnace, which relates to the technical field of resistance furnaces and comprises a furnace body, a furnace door, a plurality of groups of resistance wires and a supporting plate, wherein a pair of telescopic mechanisms are arranged in the middle of two sides of the bottom end of an inner cavity of the furnace body; according to the utility model, the size of the heating space is changed by adjusting the vertical height of the supporting plate, and the material is heated by utilizing part of the resistance wire, so that the electric energy is saved, and the waste of energy sources is reduced.

Description

Energy-saving box-type resistance furnace

Technical Field

The utility model relates to the technical field of resistance furnaces, in particular to an energy-saving box-type resistance furnace.

Background

The box-type resistance furnace is a common electric furnace form, and is divided into vertical, horizontal, split and integrated, and generally uses resistance wires, silicon carbon rods and silicon molybdenum rods as heating elements, and is widely used for production and experiments in the fields of ceramics, metallurgy, electronics, glass, chemical industry, machinery, refractory materials, new material development, special materials, building materials and the like.

When the box-type resistance furnace is used for carrying out heat treatment on materials, the materials with different volumes are usually placed in the inner cavity of the box-type resistance furnace for heating, when the volume of the materials to be subjected to heat treatment is smaller, the space of the inner cavity heated by the box-type resistance furnace is not adjustable, all heating elements are required to be started for heating the materials, and waste of electric energy is easily caused, so that the development of the energy-saving box-type resistance furnace is very necessary.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the energy-saving box-type resistance furnace, the size of the heating space is changed by adjusting the vertical height of the supporting plate, and the materials are heated by utilizing part of resistance wires, so that the electric energy is saved, and the waste of energy sources is reduced.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an energy-conserving box resistance furnace, includes furnace body, multiunit resistance wire and backup pad, the intermediate position of furnace body inner chamber bottom both sides is provided with a pair of telescopic machanism, a pair of telescopic machanism's telescopic end articulates respectively has a pair of connecting rod, and every pair of telescopic machanism's one end is kept away from to the connecting rod articulates has a pair of slider, a pair of spout has been seted up respectively on the lateral wall of furnace body both sides, four slider respectively with four spout sliding connection, the bottom of backup pad and the top fixed connection of two pairs of sliders and lateral wall sliding connection of lateral wall and furnace body, a plurality of recesses have evenly been seted up on the furnace body lateral wall, the multiunit resistance wire sets up in a plurality of recesses, a pair of telescopic machanism's telescopic end can drive the vertical reciprocates of backup pad, but the switching formula articulates there is the furnace gate on the furnace body.

Preferably, a plurality of supporting legs are arranged at the bottom of the furnace body.

Preferably, the telescopic mechanism is an electric telescopic rod.

The utility model provides an energy-saving box-type resistance furnace, which has the following beneficial effects:

1. according to the utility model, the size of the heating space is changed by adjusting the vertical height of the supporting plate, and the material is heated by utilizing part of the resistance wire, so that the electric energy is saved, and the waste of energy sources is reduced.

2. The bottom of the furnace body is provided with a plurality of supporting legs, so that the box-type resistance furnace has proper height and is convenient to operate; the telescopic device is an electric telescopic rod, and the height of the supporting plate is convenient to adjust.

Drawings

Fig. 1 is a right side cross-sectional view of an energy-saving box-type resistance furnace according to the present utility model.

Fig. 2 is a front sectional view of an energy-saving box-type resistance furnace according to the present utility model.

Fig. 3 is a front view of an energy-saving box-type resistance furnace according to the present utility model.

In the figure: 1. a furnace body; 2. a resistance wire; 3. a support plate; 4. a chute; 5. a telescoping mechanism; 6. support legs; 7. a slide block; 8. a connecting rod; 9. a groove; 10. and a furnace door.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

As shown in fig. 1-3, an energy-saving box-type resistance furnace comprises a furnace body 1, a plurality of groups of resistance wires 2 and a supporting plate 3, wherein a pair of telescopic mechanisms 5 are arranged in the middle of two sides of the bottom end of the inner cavity of the furnace body 1, a pair of connecting rods 8 are hinged to telescopic ends of the telescopic mechanisms 5 respectively, a pair of sliding blocks 7 are hinged to one ends of the connecting rods 8 far away from the telescopic mechanisms 5, a pair of sliding grooves 4 are respectively formed in the side walls of two sides of the furnace body 1, four sliding blocks 7 are respectively in sliding connection with the four sliding grooves 4, the bottom end of the supporting plate 3 is fixedly connected with the top ends of the two pairs of sliding blocks 7, the side walls are in sliding connection with the side walls of the furnace body 1, a plurality of grooves 9 are uniformly formed in the side walls of the furnace body 1, a plurality of groups of resistance wires 2 are arranged in the grooves 9, the telescopic ends of the telescopic mechanisms 5 can drive the supporting plate 3 to vertically move up and down, and a furnace door 10 can be hinged to the furnace body 1 in an openable mode; the bottom of the furnace body 1 is provided with a plurality of supporting legs 6; the telescopic mechanism 5 is an electric telescopic rod.

The detailed connection means are known in the art, and the following mainly introduces the working principle and process, specifically as follows:

in the utility model, a pair of telescopic mechanisms 5 and a plurality of groups of resistance wires 2 are connected with an external electric control system through wires, and the above devices and the connection modes are all in the prior art and are not repeated here.

According to the description, as shown in fig. 1-3, when the furnace door 10 is opened, the height of the supporting plate 3 is adjusted, a pair of telescopic mechanisms 5 arranged in the middle of two sides of the bottom end of the inner cavity of the furnace body 1 are started, the telescopic ends of the pair of telescopic mechanisms 5 vertically extend upwards or vertically retract downwards, when the telescopic ends of the telescopic mechanisms 5 move, a pair of connecting rods 8 hinged with the telescopic mechanisms are driven to move, when the pair of connecting rods 8 close to the same side wall move, a pair of sliding blocks 7 hinged with the telescopic mechanisms are driven to move, a plurality of sliding blocks 7 vertically slide upwards or vertically downwards in a plurality of sliding grooves 4 formed in the side wall of the furnace body 1, when four sliding blocks 7 move, the supporting plate 3 fixedly connected with the sliding blocks vertically upwards or vertically downwards, the telescopic mechanisms 5 can move a supporting plate to a specific height, a plurality of grooves 9 are uniformly formed in the side wall of the furnace body 1, a plurality of groups of resistance wires 2 are respectively connected with an electric control system, and the supporting plate 3 is moved between the plurality of groups of resistance wires 2 in the vertical direction according to the size of the material to be heat treated; secondly, placing the material to be heat treated on the supporting plate 3, and closing the furnace door 10; thirdly, heating the material through the resistance wire 2 between the supporting plate 3 and the top of the furnace body 1, and finally stopping heating the material through the resistance wire 2, opening the furnace door 10, and taking out the heated material; according to the utility model, the size of the heating space is changed by adjusting the vertical height of the supporting plate 3, and the material is heated by utilizing part of the resistance wires 2, so that the electric energy is saved, and the waste of energy sources is reduced.

There is a possibility of implementation that the bottom of the furnace body 1 is provided with a plurality of supporting legs 6, so that the box-type resistance furnace has a proper height for convenient operation; the telescopic mechanism 5 is an electric telescopic rod, and is convenient for adjusting the height of the supporting plate 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides an energy-conserving box resistance furnace, its characterized in that, including furnace body (1), multiunit resistance wire (2) and backup pad (3), the intermediate position of furnace body (1) inner chamber bottom both sides is provided with a pair of telescopic machanism (5), a pair of telescopic machanism (5) telescopic end articulates respectively has a pair of connecting rod (8), and every is right the one end that a pair of telescopic machanism (5) were kept away from to connecting rod (8) articulates has a pair of slider (7), a pair of spout (4) have been seted up respectively on the lateral wall of furnace body (1) both sides, four slider (7) respectively with four spout (4) sliding connection, the top fixed connection and lateral wall and the lateral wall sliding connection of furnace body (1) of bottom and two pairs of slider (7) of backup pad (3), a plurality of recesses (9) have evenly been seted up on furnace body (1) lateral wall, the multiunit resistance wire (2) set up in a plurality of recesses (9), a pair of telescopic machanism (5) telescopic end can drive backup pad (3) vertical osculating, but on hinge (1) have furnace gate (10).

2. An energy-saving box-type resistance furnace according to claim 1, characterized in that the bottom of the furnace body (1) is provided with a plurality of support legs (6).

3. An energy-saving box-type resistance furnace according to claim 1, characterized in that the telescopic mechanism (5) is an electric telescopic rod.