Smelting furnace turntable and smelting furnace

Abstract

The utility model discloses a rotary table of a smelting furnace, which relates to the technical field of smelting furnace structures and mainly comprises an annular bottom edge and an annular upper edge, the upper end of the annular bottom edge is connected with the annular upper edge, the lower end of the annular bottom edge is used for being arranged in a hearth, the annular upper edge is provided with a limiting hole and a guide hole, and the lower end face of the limiting hole is connected with the upper end of the annular bottom edge. The upper end face of the limiting hole is connected with the lower end of the guide hole, the limiting hole is used for limiting the crucible, the guide hole is a conical hole, and the large opening end of the guide hole is far away from the limiting hole and used for guiding the crucible. The utility model further discloses a smelting furnace which comprises the smelting furnace rotating disc. According to the utility model, the crucible can be conveniently put into and taken out of the smelting furnace turntable.

Description

Technical Field

[0001] The utility model relates to the technical field of furnace structures, in particular to a furnace turntable and a furnace. Background Art

[0002] When a rotary crucible furnace is in use, generally a crucible filled with materials is placed on a furnace turntable for melting the materials. Before that, a new crucible needs to be placed in the furnace for heating and solidifying. As Figure 1 shown, the connection between the existing furnace turntable and the crucible shell is in a vertical state, and the vertical limiting edge of the furnace turntable is relatively long. When the production is over, due to the deformation of the furnace turntable caused by heating and the fitting and extrusion with the crucible shell, the crucible shell cannot be detached from the furnace turntable. When a new crucible is placed in the furnace turntable, because the edge of the furnace turntable is a right angle, it is very difficult to accurately place the new crucible shell into the furnace turntable. It is necessary to try repeatedly to accurately place the crucible in the center position of the furnace turntable. Therefore, a furnace turntable and a furnace are needed that can facilitate the putting in and taking out of the crucible. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a furnace turntable and a furnace to solve the problems existing in the above-mentioned prior art, so that the crucible can be conveniently put in and taken out.

[0004] To achieve the above purpose, the utility model provides the following scheme:

[0005] The utility model provides a furnace turntable, which includes an annular bottom edge and an annular upper edge. The upper end of the annular bottom edge is connected to the annular upper edge. The lower end of the annular bottom edge is used to be arranged in a furnace chamber. The annular upper edge is provided with a limiting hole and a guiding hole. The lower end surface of the limiting hole is connected to the upper end of the annular bottom edge, and the upper end surface of the limiting hole is connected to the lower end of the guiding hole. The limiting hole is used to limit the crucible, and the guiding hole is a conical hole, and the large-mouth end is arranged away from the limiting hole, and is used to guide the crucible.

[0006] Preferably, the limiting hole is a circular hole, and the hole wall of the limiting hole is perpendicular to the upper end surface of the annular bottom edge, and is used to limit the crucible.

[0007] Preferably, the height of the hole wall of the circular hole is 28 mm - 30 mm.

[0008] Preferably, the inclination angle of the hole wall of the guiding hole relative to the upper end surface of the annular bottom edge is 100° - 155°.

[0009] Preferably, the annular bottom edge is provided with a through hole for a heating source to pass through and contact the crucible.

[0010] Preferably, the upper edge of the ring further includes a clamping portion, which is located on the lower side of the edge of the upper edge of the ring and is used to connect with the furnace.

[0011] Preferably, the clamping portion is provided with a chamfer, which is used to clamp the rotating device of the furnace.

[0012] Preferably, the upper edge of the ring further includes a lifting portion, which is arranged at the edge of the upper edge of the ring.

[0013] Preferably, the lifting portion includes a set of threaded holes. Any set of threaded holes includes two threaded holes, and the two threaded holes of the same set of threaded holes are arranged opposite to each other along the diameter of the upper edge of the ring for the lifting piece to be screwed into.

[0014] The present utility model also provides a furnace, including the furnace turntable as described above.

[0015] The present utility model has achieved the following technical effects compared with the prior art:

[0016] In the furnace turntable of the present utility model, the upper end of the annular bottom edge is connected to the upper edge of the ring, the lower end of the annular bottom edge is used to be arranged in the furnace chamber, the upper edge of the ring is provided with a limiting hole and a guiding hole. The lower end surface of the limiting hole is connected to the upper end of the annular bottom edge, the upper end surface of the limiting hole is connected to the lower end of the guiding hole. The limiting hole is used to limit the crucible, the guiding hole is a tapered hole, and the large opening end is arranged away from the limiting hole for guiding the crucible. Compared with the existing furnace turntable, in the present utility model, the upper half of the vertical limiting edge is set as an inclined edge, which enlarges the orifice diameter when the crucible is put in, facilitating the putting in of the crucible. At the same time, compared with the limiting edge arranged vertically as a whole, the setting of the guiding hole reduces the contact area between the crucible and the vertical limiting edge, thereby reducing the adhesion area and also facilitating the taking out of the crucible to a certain extent. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic structural diagram of a furnace turntable of the prior art;

[0019] Figure 2 It is a schematic structural diagram of the furnace turntable in the embodiment of the present utility model;

[0020] Figure 3 It is a schematic structural diagram of the edge of the upper edge of the ring in the embodiment of the present utility model.

[0021] In the figure: 101 - vertical limiting edge; 1 - annular bottom edge; 2 - annular upper edge; 3 - limiting hole; 31 - hole wall of the limiting hole; 4 - guiding hole; 41 - hole wall of the guiding hole; 5 - through hole; 6 - threaded hole; 7 - chamfer. Specific implementation mode

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] The purpose of the present invention is to provide a furnace turntable and a furnace to solve the problems existing in the above-mentioned prior art, so that the crucible can be conveniently put in and taken out.

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation modes.

[0025] Embodiment 1

[0026] As Figures 2 - 3 shown, the present invention provides a furnace turntable, including an annular bottom edge 1 and an annular upper edge 2. The upper end of the annular bottom edge 1 is connected to the annular upper edge 2. The lower end of the annular bottom edge 1 is used to be arranged in the furnace chamber. The limiting hole 3 and the guiding hole 4 are sequentially arranged on the annular upper edge 2 along the thickness direction thereof. The lower end surface of the limiting hole 3 is connected to the upper end of the annular bottom edge 1. The upper end surface of the limiting hole 3 is connected to the lower end of the guiding hole 4. The limiting hole 3 is used to limit the crucible. The guiding hole 4 is a tapered hole, and the large mouth end is arranged away from the limiting hole 3, and is used to guide the crucible. Compared with the existing furnace turntable, the upper half of the vertical limiting edge 101 of the present invention is set as an inclined edge, which enlarges the hole diameter when the crucible is put in, facilitating the putting in of a new crucible. At the same time, compared with the limiting edge arranged vertically as a whole, the setting of the guiding hole 4 reduces the contact area between the crucible and the limiting edge, thereby reducing the adhesion area, and to a certain extent, it also facilitates the taking out of the processed crucible.

[0027] In some embodiments, the limiting hole 3 is a circular hole, and the hole wall 31 of the limiting hole is perpendicular to the upper end surface of the annular bottom edge 1 for limiting the crucible. Among them, the height of the hole wall of the circular hole is 28 mm - 30 mm. Generally, the height of the vertical limiting edge 101 of the existing furnace turntable is 35 mm - 45 mm. The height of the hole wall 31 of the limiting hole in this embodiment is less than the height of the vertical limiting edge 101 of the existing furnace turntable. On the premise of ensuring that a stable limiting effect can be exerted, the height of the hole wall is made as small as possible, which can reduce the contact area between the hole wall and the outer wall of the crucible, thereby reducing the adhesion area, facilitating the removal of the crucible, reducing the probability of crucible breakage, and improving the yield rate of the crucible.

[0028] In some embodiments, the inclination angle of the hole wall 41 of the guiding hole with respect to the upper end surface of the annular bottom edge 1 is 100° - 155°. The guiding hole 4 needs to play a role in guiding the crucible. The inclination angle of the hole wall 41 of the guiding hole here is preferably 110°. While facilitating the placement of the crucible, the inclination angle is not too large. If an accident occurs in the limiting of the limiting hole 3, the guiding hole 4 can also limit the movement of the crucible to a certain extent.

[0029] In some embodiments, the annular bottom edge 1 is provided with a through hole 5 for the heating source to pass through and contact the crucible, so that the energy of the heating source can be transmitted to the crucible as much as possible, increasing the energy utilization rate.

[0030] In some embodiments, the annular upper edge 2 further includes a clamping portion. The clamping portion is located on the lower side of the edge of the annular upper edge 2 for connecting with the furnace. The furnace turntable is clamped to the rotating device of the furnace through the clamping portion, and the rotation of the furnace turntable can be realized, making the crucible heat more evenly.

[0031] In some embodiments, the clamping portion is provided with a chamfer 7. The chamfer 7 is used to clamp the rotating device of the furnace. The setting of the chamfer 7 can enable the rotating device to drive the furnace turntable to rotate and can also prevent the furnace turntable from slipping off the rotating device when it rotates.

[0032] In some embodiments, the annular upper edge 2 further includes a lifting portion. The lifting portion is arranged at the edge of the annular upper edge 2 and is used for connecting with a lifting appliance, facilitating the installation and disassembly of the furnace turntable.

[0033] In some embodiments, the lifting portion includes a threaded hole group. Any threaded hole group includes two threaded holes 6, and the two threaded holes 6 of the same threaded hole group are arranged opposite to each other along the diameter of the annular upper edge 2 for a lifting piece to be screwed into. The thread of the lifting piece fits with the thread of the threaded hole 6. After the lifting piece is screwed into the threaded hole 6, the connection between the lifting piece and the furnace turntable is more firm and reliable, and the two threaded holes 6 are symmetrically arranged, making the furnace turntable more balanced and stable during lifting, facilitating installation and disassembly.

[0034] Embodiment Two

[0035] This embodiment also provides a melting furnace, including the melting furnace turntable as described in Embodiment 1. The melting furnace containing such a melting furnace turntable reduces the probability that the crucible cannot be detached from the melting furnace turntable and also facilitates the placement of the crucible on the melting furnace turntable.

[0036] In the present utility model, specific examples are used to illustrate the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A furnace turntable, characterized in that: It includes an annular bottom edge and an annular upper edge. The upper end of the annular bottom edge is connected to the annular upper edge. The lower end of the annular bottom edge is used to be arranged in the furnace chamber. The annular upper edge is provided with a limiting hole and a guiding hole. The lower end face of the limiting hole is connected to the upper end of the annular bottom edge. The upper end face of the limiting hole is connected to the lower end of the guiding hole. The limiting hole is used to limit the crucible. The guiding hole is a tapered hole, and the large opening end is arranged away from the limiting hole, and is used to guide the crucible.

2. The furnace turntable according to claim 1, characterized in that: The limiting hole is a circular hole, and the hole wall of the limiting hole is perpendicular to the upper end face of the annular bottom edge, and is used to limit the crucible.

3. The furnace turntable according to claim 2, wherein: The height of the hole wall of the circular hole is 28 mm - 30 mm.

4. The rotary table of the furnace according to claim 1, wherein: The inclination angle of the hole wall of the guiding hole relative to the upper end face of the annular bottom edge is 100° - 155°.

5. The furnace turntable according to claim 1, characterized in that: The annular bottom edge is provided with a through hole for a heating source to pass through and contact the crucible.

6. The furnace turntable according to claim 1, wherein: The annular upper edge further includes a clamping portion. The clamping portion is located on the lower side of the edge of the annular upper edge and is used to connect with the furnace.

7. The furnace turntable according to claim 6, wherein: The clamping portion is provided with a chamfer, and the chamfer is used to clamp the rotating device of the furnace.

8. The furnace turntable according to claim 1, characterized in that: The annular upper edge further includes a hoisting portion, and the hoisting portion is arranged at the edge of the annular upper edge.

9. The furnace turntable according to claim 8, wherein: The hoisting portion includes a group of threaded holes. Any group of threaded holes includes two threaded holes, and the two threaded holes of the same group of threaded holes are arranged opposite to each other along the diameter of the annular upper edge and are used for a hoisting member to be screwed into.

10. A furnace, characterized in that: It includes the furnace turntable according to any one of claims 1 - 9.

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