CN217316512U - Heating device and welding device - Google Patents

Abstract

The utility model discloses a heating device and welding set belongs to aluminium generating line welding technical field, and this heating device includes aluminium generating line and heater wire. Wherein, the heating wire is wound on the periphery of the aluminum bus, and two ends of the heating wire are respectively electrically connected with the anode and the cathode of the power supply. The utility model provides a heating device, compare in the heat-conduction mode that traditional acetylene burning toasted, adopt solenoid response and the heating method efficiency that self generates heat is higher, and the time is shorter.

Description

Heating device and welding device

Technical Field

The utility model belongs to the technical field of the welding of aluminium generating line, concretely relates to heating device and welding set.

Background

An aluminum bus of an industrial aluminum electrolysis plant is made of high-conductivity aluminum materials and used for transmitting electric energy to an electrolytic cell so as to electrolyze raw materials in the electrolytic cell into aluminum products. And the aluminium generating line needs can be used to aluminium electroloysis with its welding rear, and the aluminium generating line adopts self-propagating welding at present more, and need toast the heating at first to the aluminium generating line before the welding, can make aluminium generating line and the quick integration of welding water like this, improves the welding seam quality.

At present, the baking and heating before welding of the aluminum bus is realized by igniting and baking oxyacetylene, and the heating mode needs 3-4 hours, long time and low efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a heating device and welding set adopts the coil response to the heating of aluminium generating line, and is fast, efficient.

The technical scheme of the utility model is that:

in one aspect, the present invention provides a heating device, the heating device includes:

an aluminum bus;

the heating wire is wound on the periphery of the aluminum bus, and two ends of the heating wire are respectively electrically connected with the positive electrode and the negative electrode of the power supply.

Further, the heating device includes a protection tube, and the heating wire is fixed on an inner wall of the protection tube around an outer circumference of a coil formed by winding.

Further, a groove is formed in the inner wall of the protection tube, and a coil formed by winding the heating wire is arranged in the groove of the protection tube.

Further, the protection tube includes the body of two relative settings, two one side rotatable coupling of body, two the operable switching of opposite side of body, the heater wire includes a plurality of edges the length direction of protection tube is the first wire that the interval set up in proper order, the both ends of first wire are fixed respectively two on the inner wall of body, set up in the middle the both ends of first wire are operable respectively with the current inflow end of a preceding first wire and the current outflow end of a following first wire is connected, set up two first wires in the outside and are connected with the positive negative pole electricity of power respectively.

Furthermore, the two first wires arranged on the outermost side are respectively connected with the positive electrode and the negative electrode of the power supply through the switch.

Further, the two outer sides of the body of the protection tube are both provided with heat preservation layers.

Furthermore, two ends of each first wire are fixed on the inner walls of the two bodies through ties respectively.

Further, the inner hole of the protection tube is in a cuboid shape.

Further, the other sides of the two bodies are connected through clamping.

On the other hand, the utility model provides a welding set, welding set includes foretell heating device.

The beneficial effects of the utility model include at least:

the utility model provides a heating device and welding set, this heating device include aluminium generating line and heater wire. Wherein, the heating wire is wound on the periphery of the aluminum bus, and two ends of the heating wire are respectively electrically connected with the anode and the cathode of the power supply. The aluminum bus is heated in a coil heating mode, an alternating high-frequency magnetic field can be generated after the aluminum bus is electrified, the aluminum bus arranged in the coil is made of metal aluminum, and the metal aluminum can generate heat by sensing high-frequency magnetic induction, so that electric energy is converted into heat energy of the aluminum bus; compared with the traditional heat conduction mode of oxyacetylene combustion baking, the heating mode of adopting electromagnetic coil induction and self heating has higher efficiency and shorter time.

Drawings

FIG. 1 is a front view of a heating apparatus according to the present embodiment;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

fig. 4 is a schematic structural view of the body in fig. 1.

Description of the reference numerals: 1-aluminum bus bar, 2-heating wire, 201-first conducting wire, 3-protective cover, 301-groove and 302-body.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.

Fig. 1 is a front view of a heating device according to this embodiment, fig. 2 is a top view of fig. 1, fig. 3 is a sectional view a-a of fig. 1, fig. 4 is a schematic structural diagram of a body 302 of fig. 1, and in combination with fig. 1 to 4, in one aspect, the present invention provides a heating device, which includes an aluminum bus bar 1 and a heating wire 2.

Wherein, the heating wire 2 is wound around the periphery of the aluminum bus 1, and two ends of the heating wire 2 are respectively electrically connected with the anode and the cathode of the power supply.

The aluminum bus 1 is heated in a coil heating mode, an alternating high-frequency magnetic field can be generated after the aluminum bus 1 is electrified, the aluminum bus 1 arranged in the coil is made of metal aluminum, the metal aluminum can feel high-frequency magnetic induction to generate heat, and therefore electric energy is converted into heat energy of the aluminum bus 1; compared with the traditional oxyacetylene combustion baking heat conduction mode, the heating mode that the heating is carried out by adopting the induction of the electromagnetic coil is higher in efficiency and shorter in time.

Further, referring to fig. 1 to 4, in this embodiment, the heating apparatus may further include a protection tube 3, and the heating wire 2 is fixed to an inner wall of the protection tube 3 around an outer circumference of the coil formed, so that the heating wire 2 may be prevented from being exposed.

Further, in the present embodiment, with reference to fig. 3 and 4, a groove 301 is provided on the inner wall of the protection tube 3, and the coil formed by winding the heating wire 2 is disposed in the groove 301 of the protection tube 3; the groove 301 may play a role in fixing the heating wire 2.

Further, in this embodiment, the protection tube 3 may include two bodies 302 disposed opposite to each other, one sides of the two bodies 302 are rotatably connected, the other sides of the two bodies 302 are operable to open and close, the heating wire 2 includes a plurality of first wires 201 sequentially disposed along the length direction of the protection tube 3 at intervals, two ends of the first wires 201 are respectively fixed on the inner walls of the two bodies 302, two ends of the first wire 201 disposed in the middle are respectively operable to be connected with a current inflow end of a previous first wire 201 and a current outflow end of a next first wire 201, and two first wires 201 disposed at the outermost sides are respectively electrically connected with the positive and negative electrodes of the power supply.

When the aluminum bus 1 needs to be heated, the other sides of the two bodies 302 are opened, the protective tube 3 with the heating wire 2 arranged on the inner wall is sleeved on the aluminum bus 1, then the other sides of the bodies 302 are closed, the two ends of the first lead 201 arranged in the middle are respectively connected with the current inflow end of the previous first lead 201 and the current outflow end of the next first lead 201, and the two first leads 201 arranged on the outermost sides are respectively electrically connected with the positive electrode and the negative electrode of a power supply, so that a closed loop can be formed to generate high-frequency magnetic induction, and the aluminum bus 1 can generate heat; after heating is completed, the power can be cut off, the other side of the body 302 is opened, and the heating device is taken out for welding other aluminum bus bars 1 to be welded. The protection tube 3 may be made of plastic, may have an insulating effect, or may be made of ceramic, and is not limited herein. The density of the heating wire 2 can be adjusted according to the need, and is not limited herein; the inner side of the coil formed by the heater wire 2 may be as close to or in contact with the outer side of the aluminum bus bar as possible.

The two ends of the first conducting wire 201 arranged in the middle are respectively connected with the current inflow end of the previous first conducting wire 201 and the current outflow end of the next first conducting wire 201 through the connecting terminals.

Specifically, in this embodiment, the two first wires 201 disposed at the outermost sides may be connected to the positive and negative electrodes of the power supply through switches, respectively; the current in the heating wire 2 is switched on and off by a switch.

In order to insulate the aluminum bus 1, in this embodiment, the outer sides of the two bodies 302 of the protection tube 3 may be both provided with an insulating layer; the heat insulation layer can be wrapped by heat insulation materials, such as heat insulation cotton, and other heat insulation materials can be adopted, which are not limited herein.

In order to further fix the first wires 201, in the present embodiment, both ends of each first wire 201 are respectively fixed on the inner walls of the two bodies 302 by a band.

Further, in the present embodiment, since the aluminum bus bar 1 has a rectangular parallelepiped shape, the inner hole of the protection tube 3 may have a rectangular parallelepiped shape; certainly, if the aluminum bus 1 is cylindrical, the inner hole of the protection tube 3 may be cylindrical; the shape of the inner hole of the protection tube 3 is suitable for the shape of the aluminum bus 1, so that the heating wire 2 is close to the aluminum bus 1 as much as possible, and the heating effect is improved.

Specifically, in this embodiment, the other sides of the two bodies 302 may be connected by a snap connection, or may be connected in other manners, which is not limited herein.

On the other hand, the utility model also provides a welding set, this welding set includes foretell heating device.

Further, in this embodiment, the welding device may further include a crucible for containing the flux, a through hole for flowing the welding liquid may be provided at the bottom of the crucible, and a blocking piece may be provided in the through hole of the crucible; the baffle plate can prevent the flux from flowing out of the through hole before welding; when the welding flux forms welding water, the high-temperature welding water can melt the baffle plate, so that the welding water smoothly flows into a welding seam from the through hole; the baffle plate may be made of metal, such as aluminum, but other materials that can be melted by high temperature welding water may also be used, and are not limited herein.

Further, in this embodiment, the sidewall of the crucible may include a working layer and an insulating layer attached from inside to outside; wherein the working layer of the crucible can be made of graphite; the heat preservation can adopt the cotton parcel of heat preservation in the periphery of working layer.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (7)

1. A heating device, characterized in that the heating device comprises:

an aluminum bus;

the heating wire is wound on the periphery of the aluminum bus, and two ends of the heating wire are respectively electrically connected with the anode and the cathode of the power supply;

the heating device comprises a protection tube, and the periphery of a coil formed by winding the heating wire is fixed on the inner wall of the protection tube; a groove is formed in the inner wall of the protection tube, and a coil formed by winding the heating wire is arranged in the groove of the protection tube;

the protection tube includes the body of two relative settings, two one side rotatable coupling of body, two the operable switching of opposite side of body, the heater wire includes a plurality of along the length direction of protection tube is the first wire that the interval set up in proper order, the both ends of first wire are fixed respectively two on the inner wall of body, set up in the middle the both ends of first wire are operable respectively with the electric current inflow end of a preceding first wire and the electric current outflow end of a back first wire is connected, set up two first wires in the outside and are connected with the positive negative pole electricity of power respectively.

2. The heating device as claimed in claim 1, wherein the two first wires disposed at the outermost sides are connected to the positive and negative electrodes of the power supply through switches, respectively.

3. A heating device as claimed in claim 1, characterized in that both body sides of the protective tube are provided with insulation.

4. A heating apparatus as claimed in claim 1, wherein both ends of each of said first wires are fixed to inner walls of said two bodies by means of a binding tape, respectively.

5. A heating device as claimed in any one of claims 1-4, characterized in that the inner bore of the protective tube is cuboid-shaped.

6. A heating unit as claimed in claim 5, wherein the other sides of the two bodies are connected by a snap fit.

7. A welding device, characterized in that it comprises a heating device according to any one of claims 1-6.

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