Furnace bottom structure of medium-frequency electric furnace

Abstract

The utility model relates to the technical field of furnace bottom structures, and discloses a furnace bottom structure of a medium-frequency electric furnace, which comprises an electric furnace body and a moving component, a crucible is arranged in the electric furnace body, the moving component is arranged on the bottom surface of the electric furnace body and is used for moving the crucible, and the moving component comprises a fixing hole and a fixing part, the fixing holes are formed in the bottom face of the electric furnace body, the electric furnace body, the crucible, the first fixing plate, the hexagonal column, the movable column and the hexagonal groove are used in cooperation, the effect of moving the crucible can be achieved, the crucible can be completely moved into a heating furnace bin of the electric furnace body, the heating effect is guaranteed, and in addition, the heating efficiency is improved. The crucible can be moved by screwing the rotating plate to drive the winding drum to wind and unwind the connecting rope, when the crucible is moved up and down, the transverse occupied space of components is small, the occupied space is effectively saved, and the crucible moving device is suitable for being installed on an intermediate frequency furnace compact in size, convenient to use and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to furnace bottom structure technical field especially relates to a middle frequency electric furnace furnace bottom structure. BACKGROUND

[0002] The middle frequency induction electric furnace is widely used for the smelting of non-ferrous metal and ferrous metal. Compared with other casting equipment, the middle frequency induction electric furnace has the advantages of high thermal efficiency, short smelting time, less alloy element burning loss, wide smelting material, small environmental pollution, accurate control of the temperature and composition of metal liquid and the like.

[0003] The existing middle frequency electric furnace furnace bottom structure (announcement number: CN208155048U) has at least the following disadvantages:

[0004] In the above patent, by adopting the liftable support structure of the furnace bottom, the crucible can be controlled to rise and fall within a certain range after being put in, and the heating capacity and efficiency of the middle frequency electric furnace are improved. However, the support device needs to be unfolded and folded by rotating the hand wheel to drive the screw rod, and the transverse width of the support device is relatively large, which occupies a large space and is easy to collide with the furnace body parts during unfolding and folding. When the furnace body is relatively compact, the installation space of the support device is limited, which is not convenient to use and has certain limitations. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a middle frequency electric furnace furnace bottom structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of intermediate frequency electric furnace bottom structure, including electric furnace body, the inside of the electric furnace body is provided with crucible, further including: moving assembly, the bottom surface of the electric furnace body is provided for the movement of the crucible, the moving assembly includes: fixed hole, the bottom surface of the electric furnace body is provided, the inner circular wall surface of the fixed hole is fixedly sleeved with first fixed plate, the top surface of the first fixed plate is fixedly installed with hexagonal column, the inner circular wall surface of the fixed hole is provided with moving column, the bottom surface of the moving column is provided with hexagonal groove, the hexagonal groove is movably sleeved with the hexagonal column, the top surface of the moving column is fixedly installed with lifting platform, one side of the hexagonal groove is fixedly installed with second fixed plate, the top surface of the second fixed plate is fixedly installed with connecting rope, one side of the electric furnace body is fixedly installed with support frame, the inside of the support frame is movably sleeved with winding drum, the winding drum is wound with the connecting rope and is fixedly installed, limiting component, the limiting component is used to limit the winding drum.

[0008] As a further scheme of the utility model, the limiting component includes: a limiting plate, the limiting plate is arranged on one side of the support frame, a first circular through hole is formed in one side of the support frame, a fixed column is movably sleeved with the inner circular wall surface of the first circular through hole, and one end of the fixed column is fixedly installed with a limiting plate.

[0009] As a further scheme of the utility model, the bottom surface of the limiting plate is fixedly installed with a tension spring, and the tension spring is fixedly installed on one side of the support frame.

[0010] As a further scheme of the utility model, one end of the winding drum is fixedly installed with a rotating plate, and the top surface of the limiting plate is fixedly installed with a poking plate.

[0011] As a further scheme of the utility model, the inner circular wall surface of the fixed hole is fixedly installed with a supporting wheel, and the connecting rope is arranged on the supporting wheel.

[0012] As a further scheme of the utility model, the bottom surface of the heating furnace bin of the electric furnace body is fixedly installed with a partition plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. Through the cooperation of the set electric furnace body, the crucible, the fixing hole, the first fixed plate, the hexagonal column, the moving column and the hexagonal groove, the crucible can be moved, so that the crucible can be completely moved into the heating furnace bin of the electric furnace body, the heating effect is guaranteed, and the crucible can be moved by winding the connecting rope on the winding drum by rotating the rotating plate, when the crucible is moved up and down, the transverse space occupied by the parts is small, the occupied space is effectively saved, it is suitable for installation of compact intermediate frequency furnace, and the use is convenient.

[0015] 2. When heating, the bottom of the heating furnace bin of the electric furnace body is heat-insulated by the set partition, the connecting rope is protected, and the lifting platform and the moving column are made of ceramic material, which has good high temperature resistance and does not conduct electricity, so that the crucible is effectively supported. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the intermediate frequency electric furnace bottom structure proposed by the utility model;

[0017] Figure 2 It is a crucible structure schematic view of the intermediate frequency electric furnace bottom structure proposed by the utility model;

[0018] Figure 3 It is a partition structure schematic view of the intermediate frequency electric furnace bottom structure proposed by the utility model;

[0019] Figure 4 It is Figure 2 A partial structure schematic view of the intermediate frequency electric furnace bottom structure;

[0020] Figure 5 It is Figure 3 A partial structure schematic view of the intermediate frequency electric furnace bottom structure;

[0021] Figure 6 It is a moving column structure schematic view of the intermediate frequency electric furnace bottom structure proposed by the utility model.

[0022] In the figure: 1, electric furnace body; 2, crucible; 3, fixing hole; 4, first fixed plate; 5, hexagonal column; 6, moving column; 7, hexagonal groove; 8, second fixed plate; 9, connecting rope; 10, support frame; 11, winding drum; 12, limit tooth; 13, limit plate; 14, tension spring; 15, rotating plate; 16, fixed column; 17, push plate; 18, supporting wheel; 19, lifting platform; 20, partition. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with specific embodiments.

[0024] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the position or location relationship based on the position or location relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Referring to Figures 1-6 A medium frequency electric furnace bottom structure, including electric furnace body 1, the inside of electric furnace body 1 is provided with crucible 2, further including: moving assembly, moving assembly is arranged at the bottom surface of electric furnace body 1, is used to move crucible 2, and moving assembly includes: fixed hole 3, fixed hole 3 is arranged at the bottom surface of electric furnace body 1, the inner circular wall surface of fixed hole 3 is fixedly sleeved with first fixed plate 4, the top surface of first fixed plate 4 is fixedly installed with hexagonal column 5, the inner circular wall surface of fixed hole 3 is provided with moving column 6, the bottom surface of moving column 6 is provided with hexagonal groove 7, hexagonal groove 7 is movably sleeved with hexagonal column 5, the top surface of moving column 6 is fixedly installed with lifting platform 19, one side of hexagonal groove 7 is fixedly installed with second fixed plate 8, the top surface of second fixed plate 8 is fixedly installed with connecting rope 9, one side of electric furnace body 1 is fixedly installed with support frame 10, support frame 10 is movably sleeved with winding drum 11 in the inside, winding drum 11 is wound with connecting rope 9 and is fixedly installed, limiting assembly, limiting assembly is used to limit winding drum 11.

[0027] When the crucible 2 needs to be moved to the inside of the furnace body for sufficient heating, the push plate 17 is pushed by the fingers to drive the limiting plate 13 to pull the tension spring 14, so that the second limiting plate 13 no longer limits the limiting teeth 12 and the winding drum 11, and then the rotating plate 15 is manually twisted to rotate the winding drum 11, the rotating winding drum 11 pays out the connecting rope 9, and then the second fixed plate 8 drives the moving column 6, the lifting platform 19 and the crucible 2 to move downward to the inside of the furnace body, and then the push plate 17 is released, and under the pulling of the tension spring 14, the limiting plate 13 is inserted into the inside of the limiting teeth 12 to limit the winding drum 11 so as not to rotate reversely and make the crucible 2 fall, and then the cover of the electric furnace body 1 is closed, and the heating can be started.

[0028] In the embodiment, the limiting assembly comprises a limiting plate 13 arranged on one side of the support frame 10, a first circular through hole is formed on one side of the support frame 10, a fixed column 16 is movably sleeved on the inner circular wall surface of the first circular through hole, the fixed column 16 is fixedly installed with the limiting plate 13 at one end, a plurality of limiting teeth 12 are formed on the outer circular wall surface of the winding drum 11, the limiting teeth 12 are movably sleeved with the limiting plate 13, the bottom surface of the limiting plate 13 is fixedly installed with a tension spring 14, the tension spring 14 is fixedly installed on one side of the support frame 10, one end of the winding drum 11 is fixedly installed with a rotating plate 15, the top surface of the limiting plate 13 is fixedly installed with a push plate 17, the inner circular wall surface of the fixed hole 3 is fixedly installed with a supporting wheel 18, the connecting rope 9 is arranged on the roller of the supporting wheel 18, and the bottom surface of the heating furnace bin of the electric furnace body 1 is fixedly installed with a partition plate 20.

[0029] When in use, the partition plate 20 is arranged to heat the bottom of the heating furnace bin of the electric furnace body 1, thereby protecting the connecting rope 9, and the lifting platform 19 and the moving column 6 are made of ceramic material, which has good high-temperature resistance and is not conductive, thereby effectively supporting the crucible 2.

[0030] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: through the electric furnace body 1 arranged, when the user needs to use the electric furnace body 1 and needs to move the crucible 2 to the inside of the furnace body to heat sufficiently, at this time, through the arrangement of the push plate 17, the finger pushes the push plate 17 to drive the limiting plate 13 to pull the tension spring 14, so that the second limiting plate 13 no longer limits the limiting tooth 12 and the winding drum 11, and then, the manual rotation of the rotating plate 15 rotates the winding drum 11, and the rotating winding drum 11 pays out the connecting rope 9, and then the second fixed plate 8 drives the moving column 6, the lifting platform 19 and the crucible 2 to move downward to the inside of the furnace body, and then the push plate 17 is loosened, and under the pulling of the tension spring 14, the limiting plate 13 is inserted into the inside of the limiting tooth 12 to limit the winding drum 11 so that it cannot rotate reversely to make the crucible 2 fall, and then, after covering the cover of the electric furnace body 1, the heating can be started, and when heating, through the arrangement of the baffle 20, the baffle 20 insulates the bottom of the heating furnace bin of the electric furnace body 1, and the material of the lifting platform 19 and the moving column 6 is ceramic material, which has good high-temperature resistance and is not conductive and will not be heated by the electric furnace body 1, and also effectively supports the crucible 2, and then the effect of moving the crucible 2 is achieved, so that the crucible 2 can be completely moved to the inside of the heating furnace bin of the electric furnace body 1, the heating effect is guaranteed, and the crucible 2 can be moved by winding and unwinding the connecting rope 9 by the rotating plate 15, when the crucible 2 is moved up and down, the transverse space occupied by the component is small, the occupied space is effectively saved, it is suitable for installation in a compact intermediate frequency furnace, which is convenient to use and practical.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A medium frequency electric furnace bottom construction comprising an electric furnace body (1) inside of which a crucible (2) is provided, characterized in that, Also includes: The moving assembly is arranged on the bottom surface of the electric furnace body (1), which is used for moving the crucible (2), and the moving assembly comprises: a fixing hole (3) arranged on the bottom surface of the electric furnace body (1), a first fixing plate (4) fixedly sleeved on the inner circular wall surface of the fixing hole (3), a hexagonal column (5) fixedly installed on the top surface of the first fixing plate (4), a moving column (6) arranged on the inner circular wall surface of the fixing hole (3), a hexagonal groove (7) opened on the bottom surface of the moving column (6), the hexagonal groove (7) is movably sleeved with the hexagonal column (5), a lifting platform (19) fixedly installed on the top surface of the moving column (6), a second fixing plate (8) fixedly installed on one side of the hexagonal groove (7), a connecting rope (9) fixedly installed on the top surface of the second fixing plate (8), a support frame (10) fixedly installed on one side of the electric furnace body (1), a winding drum (11) movably sleeved in the support frame (10), and the winding drum (11) is wound with the connecting rope (9) and fixedly installed. The limiting assembly is used for limiting the winding drum (11).

2. An intermediate frequency electric furnace bottom structure according to claim 1, wherein The limiting assembly comprises: a limiting plate (13) arranged on one side of the support frame (10), a first circular through hole is opened on one side of the support frame (10), a fixing column (16) is movably sleeved on the inner circular wall surface of the first circular through hole, the fixing column (16) is fixedly installed with a limiting plate (13) on one end, a plurality of limiting teeth (12) are opened on the outer circular wall surface of the winding drum (11), and the limiting teeth (12) are movably sleeved with the limiting plate (13).

3. An intermediate frequency electric furnace hearth construction according to claim 2, wherein The bottom surface of the limiting plate (13) is fixedly installed with a tension spring (14), and the tension spring (14) is fixedly installed on one side of the support frame (10).

4. An intermediate frequency electric furnace hearth construction according to claim 2, wherein One end of the winding drum (11) is fixedly installed with a rotating plate (15), and the top surface of the limiting plate (13) is fixedly installed with a poking plate (17).

5. An intermediate frequency electric furnace hearth construction according to claim 1, wherein The inner circular wall surface of the fixing hole (3) is fixedly installed with a supporting wheel (18), and the connecting rope (9) is arranged on the supporting wheel (18).

6. An intermediate frequency electric furnace hearth construction according to claim 1 wherein, The bottom surface of the heating furnace bin of the electric furnace body (1) is fixedly installed with a partition plate (20).

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