Conductive structure of vacuum melting furnace

Abstract

The utility model relates to a conductive structure of a vacuum melting furnace, which comprises a vacuum melting furnace main shaft, and the outer end of the vacuum melting furnace main shaft is communicated with a first conductive busbar and a second conductive busbar through a flexible cable; the inner conductive shaft core is arranged in the middle of the vacuum melting furnace main shaft, and the insulating layer and the outer conductive shaft layer are sequentially arranged outside the inner conductive shaft core; the front end of the inner conductive shaft core extends out of the insulating layer and is provided with a first conductive connecting disc; the first conductive connecting disc is connected with the first conductive busbar through a plurality of first flexible cables; a second conductive connection disc is installed on the periphery of the outer conductive shaft layer, the second conductive connection disc is connected with the second conductive busbar through a plurality of second flexible cables, one end of the first flexible cable is connected with the first conductive connection disc through a bolt, and the other end of the first flexible cable is connected with the first conductive busbar through a bolt. The device is simple in structure and small in occupied space; on the premise that stable power supply is guaranteed, tipping rotation of the vacuum melting main shaft is not affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of vacuum melting furnaces and relates to a conductive structure of a vacuum melting furnace. Background Art

[0002] In a vacuum intermediate frequency induction melting furnace, after the molten metal is melted, the crucible needs to be tilted and rotated for degassing, deoxidation and removal of non-metallic impurities; its main shaft has to bear the weight and torque, and at the same time provide electrical energy for the crucible. During operation, the connection between its outer end and the conductive busbar is prone to looseness, affecting normal production. Summary of the Invention

[0003] The purpose of the utility model is to provide a conductive structure of a vacuum melting furnace, which can solve the above problems.

[0004] According to the technical solution provided by the utility model: a conductive structure of a vacuum melting furnace includes a main shaft of the vacuum melting furnace. The outer end of the main shaft of the vacuum melting furnace is connected to the first conductive busbar and the second conductive busbar through a flexible cable; the middle of the main shaft of the vacuum melting furnace is an inner conductive shaft core, and the outer side of the inner conductive shaft core is successively an insulating layer and an outer conductive shaft layer; the front end of the inner conductive shaft core extends out of the insulating layer and is provided with a first conductive connection disc, and the first conductive connection disc is connected to the first conductive busbar through a plurality of first flexible cables; a second conductive connection disc is installed on the outer periphery of the outer conductive shaft layer, and the second conductive connection disc is connected to the second conductive busbar through a plurality of second flexible cables.

[0005] As a further improvement of the utility model, one end of the first flexible cable is connected to the first conductive connection disc through a bolt.

[0006] As a further improvement of the utility model, the other end of the first flexible cable is connected to the first conductive busbar through a bolt.

[0007] As a further improvement of the utility model, one end of the second flexible cable is connected to the second conductive connection disc through a bolt.

[0008] As a further improvement of the utility model, the other end of the second flexible cable is connected to the second conductive busbar through a bolt.

[0009] As a further improvement of the utility model, the inner conductive shaft core, the outer conductive shaft layer, the second conductive connection disc and the second conductive connection disc are all made of conductive materials.

[0010] As a further improvement of the utility model, the inner end of the main shaft of the vacuum melting furnace extends into the vacuum melting furnace and is connected to the crucible.

[0011] The positive and progressive effects of this application are as follows:

[0012] The utility model has a simple structure and occupies a small space; on the premise of ensuring stable power supply, it does not affect the tilting and rotation of the main shaft of the vacuum melting furnace. Description of the Drawings

[0013] Figure 1 It is a structural schematic diagram of the present utility model. Detailed Description of the Preferred Embodiment

[0014] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0015] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0016] It should be noted that the terms "first", "second", etc. in the description and claims of the present utility model and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily need to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so as to describe the embodiments of the present utility model here. In addition, similar terms such as "including" and "having" mean that in addition to the content already listed in "including" and "having", other content that has not been listed can also be "included" and "had"; for example, a process, method, system, product or device that can include a series of steps or units does not necessarily need to be limited to those steps or units that have been clearly listed, but can include other steps or units that have not been clearly listed or are inherent to these processes, methods, products or devices.

[0017] Due to the drawing angle problem, some components may not be drawn, but their positions and connection relationships can be understood according to the text description part.

[0018] As Figure 1 shown, the present utility model is a conductive structure of a vacuum melting furnace, including a main shaft of the vacuum melting furnace. The outer end of the main shaft of the vacuum melting furnace is connected to the first conductive busbar 1 and the second conductive busbar 2 through a flexible cable.

[0019] The middle of the main shaft of the vacuum melting furnace is an inner conductive shaft core 4, and the outer side of the inner conductive shaft core 4 is successively an insulating layer 5 and an outer conductive shaft layer 6.

[0020] The front end of the inner conductive shaft core 4 extends out of the insulating layer 5 and is installed with the first conductive connection disc 9. The first conductive connection disc 9 is connected to the first conductive busbar 1 through a plurality of first flexible cables 10. The number of the first flexible cables 10 determines the power that can be supplied. One end of the first flexible cable 10 is connected to the first conductive connection disc 9 by bolts, and the other end of the first flexible cable 10 is connected to the first conductive busbar 1 by bolts.

[0021] The second conductive connection disc 7 is installed on the outer periphery of the outer conductive shaft layer 6. The second conductive connection disc 7 is connected to the second conductive busbar 2 through a plurality of second flexible cables 3. The number of the second flexible cables 3 determines the power that can be supplied. One end of the second flexible cable 3 is connected to the second conductive connection disc 7 by bolts, and the other end of the second flexible cable 3 is connected to the second conductive busbar 2 by bolts.

[0022] The inner conductive shaft core 4, the outer conductive shaft layer 6, the second conductive connection disc 7, and the second conductive connection disc 9 are all made of conductive materials.

[0023] The inner end of the main shaft of the vacuum melting furnace extends into the vacuum melting furnace and is connected to the crucible. An induction coil is provided in the crucible, and the induction coil is connected to the inner conductive shaft core 4 and the outer conductive shaft layer 6.

[0024] The working process of the present utility model is as follows:

[0025] The flexible cable enables the main shaft of the vacuum melting furnace to still be connected to the conductive busbar during movement, ensuring stable heating of the crucible and not affecting the turning of the crucible for processes such as degassing and deoxidation.

[0026] It can be understood that the above embodiments are merely exemplary embodiments adopted to illustrate the principle of the present utility model. However, the present utility model is not limited thereto. For those of ordinary skill in the art, various variations and improvements can be made without departing from the spirit and essence of the present utility model, and these variations and improvements are also regarded as the protection scope of the present utility model.

Claims

1. A vacuum melting furnace conductive structure, comprising a vacuum melting furnace main shaft, characterized in that: The outer end of the vacuum melting furnace main shaft is connected to a first conductive busbar (1) and a second conductive busbar (2) via a flexible cable; the middle of the vacuum melting furnace main shaft is an inner conductive shaft core (4), and the outer sides of the inner conductive shaft core (4) are an insulating layer (5) and an outer conductive shaft layer (6) in sequence; the front end of the inner conductive shaft core (4) extends out of the insulating layer (5) and is installed with a first conductive connection plate (9), and the first conductive connection plate (9) and the first conductive busbar (1) are connected via a plurality of first flexible cables (10); a second conductive connection plate (7) is installed on the outer periphery of the outer conductive shaft layer (6), and the second conductive connection plate (7) and the second conductive busbar (2) are connected via a plurality of second flexible cables (3).

2. The conductive structure of the vacuum melting furnace according to claim 1, characterized in that: One end of the first flexible cable (10) is connected to the first conductive connection plate (9) via a bolt.

3. The conductive structure of the vacuum melting furnace according to claim 2, characterized in that: The other end of the first flexible cable (10) is connected to the first conductive busbar (1) via bolts.

4. The conductive structure of the vacuum melting furnace according to claim 1, characterized in that: One end of the second flexible cable (3) is connected to the second conductive connection plate (7) via a bolt.

5. The conductive structure of the vacuum melting furnace according to claim 4, characterized in that: The other end of the second flexible cable (3) is connected to the second conductive busbar (2) via bolts.

6. The conductive structure of the vacuum melting furnace according to claim 1, characterized in that: The inner conductive shaft core (4), the outer conductive shaft layer (6), the second conductive connecting plate (7), and the second conductive connecting plate (9) are all made of conductive materials.

7. The conductive structure of a vacuum melting furnace according to claim 1, characterized in that: The inner end of the vacuum melting furnace main shaft extends into the vacuum melting furnace and is connected to the crucible.

Images