Electric heating type crucible furnace

Abstract

The utility model relates to the technical field of crucible furnaces, in particular to an electric heating type crucible furnace. Comprising a crucible furnace body, a sealing cover is embedded in the top of the crucible furnace body, supporting limiting columns are arranged above the crucible furnace body, a bearing cross beam is arranged above the crucible furnace body, a hydraulic air cylinder is arranged above the crucible furnace body, and the surface of the crucible furnace body is sleeved with a fixing platform; a supporting bottom plate is arranged below the crucible furnace body, a large electric push rod is arranged below the crucible furnace body, a feeding port is formed in the top of the crucible furnace body, a cross-shaped base is arranged below the crucible furnace body, and the output end of the large electric push rod is in transmission connection with the center of the bottom end of the cross-shaped base. And a plurality of groups of supporting soft cushions are arranged on the surface of the cross-shaped base. According to the embodiment, the effect of improving the use convenience of the equipment is achieved while a worker conveniently carries out feeding.

Description

Technical Field

[0001] The utility model belongs to the technical field of crucible furnaces, and particularly relates to an electric heating crucible furnace. Background Art

[0002] A crucible furnace is the simplest smelting equipment. A resistance crucible furnace heats the crucible with the heat energy generated by an electric heating shell. It is applicable to alloys with relatively low melting points such as aluminum, magnesium, zinc, lead, tin, and bearing alloys and with relatively high quality requirements. Currently, the electric heating crucible furnaces in use are all heated through electric heating shells. Generally, large crucible furnaces are fixedly installed in boiler rooms.

[0003] After retrieval, in the prior art, Chinese Patent Publication No.: CN215766440U, Authorization Date: February 8, 2022, discloses an electric heating crucible furnace, including a main body. A support column is fixedly arranged at the top of the main body. A forward and reverse motor is fixedly arranged at the top of the support column. A connecting piece is fixedly arranged on the output shaft of the forward and reverse motor. A furnace cover is fixedly arranged at the bottom of the connecting piece. A rubber pad is fixedly arranged on the outer surface of the furnace cover. A temperature control meter is fixedly arranged on the front surface of the main body. By arranging rollers, it is convenient to move the overall structure, and it is also convenient for other auxiliary structures to displace or replace and maintain the crucible furnace, which is simple and efficient. The support frame can enhance the support ability for the main body so that other structures can tilt the main body. The rotating shaft drives the main body to tilt through a rotating motor, which is convenient for other structures to collect the materials inside the main body.

[0004] However, this device still has the following defects: Although the fixed settings of the bogie and the fixing frame can assist in enhancing the tilting operation of the overall structure for the main body, and the structure is stable and orderly. However, this device is not convenient for the staff to feed materials and cannot be adjusted in height according to the situation, having limitations. Summary of the Utility Model

[0005] In view of the above problems, the utility model provides an electric heating crucible furnace, including a crucible furnace main body. A sealing cover is embedded at the top of the crucible furnace main body. A support and limit column is arranged above the crucible furnace main body. A load-bearing cross beam is arranged above the crucible furnace main body. A hydraulic cylinder is arranged above the crucible furnace main body. A fixed platform is sleeved on the surface of the crucible furnace main body. A support bottom plate is arranged below the crucible furnace main body.

[0006] A large electric push rod is arranged below the crucible furnace main body. A feed port is opened at the top of the crucible furnace main body. A cross-shaped base is arranged below the crucible furnace main body. The output end of the large electric push rod is in transmission connection with the center of the bottom end of the cross-shaped base. A plurality of groups of support soft pads are arranged on the surface of the cross-shaped base. The top ends of the plurality of groups of support soft pads are all connected to the bottom of the connection support seat.

[0007] Furthermore, the sealing cover is movably clamped to the top of the crucible furnace body. A fixed circular plate is provided at the top of the crucible furnace body, and the fixed circular plate is located at the top edge of the crucible furnace body. The supporting and limiting column is clamped to the top end of the fixed circular plate, and the supporting and limiting column is rotatably connected to the fixed circular plate. One end of the load-bearing cross beam is connected to the top end of the supporting and limiting column.

[0008] Furthermore, the hydraulic cylinder is located at one end of the top of the load-bearing cross beam. A transmission support rod is provided above the crucible furnace body, and the top end of the transmission support rod is drivingly connected to the output end of the hydraulic cylinder. A limiting connection block is embedded at the center of the surface of the sealing cover, and the bottom end of the transmission support rod is movably clamped to the top of the limiting connection block.

[0009] Furthermore, the fixed platform has an annular structure. A number of groups of limiting cross bars are provided on the surface of the crucible furnace body. One end of each group of limiting cross bars is connected to the surface of the fixed platform, and the several groups of limiting cross bars are arranged in an annular array centered on the central axis of the fixed platform.

[0010] Furthermore, the central axis of the supporting bottom plate coincides with the central axis of the crucible furnace body. The bottom end of the large electric push rod is connected to the center of the top of the supporting bottom plate. A connecting support seat is attached to the bottom of the crucible furnace body, and a sealing rubber pad is provided at the bottom end of the sealing cover.

[0011] Furthermore, the feeding port is movably embedded in the sealing cover. A clamping arc groove is provided on the inner wall of the feeding port. A temperature control display meter is provided on the surface of the crucible furnace body, and the temperature control display meter is located at the top end of the side wall of the crucible furnace body.

[0012] Furthermore, a number of groups of balance connecting rods are provided on the surface of the crucible furnace body. The several groups of balance connecting rods are all located below the fixed platform, and the several groups of balance connecting rods are arranged in an annular array centered on the central axis of the crucible furnace body.

[0013] Furthermore, the several groups of supporting soft pads are arranged in a rectangular array centered on the central axis of the cross-shaped base, and a group of anti-friction coatings are provided at the top ends of the several groups of supporting soft pads.

[0014] The beneficial effects of the present utility model are:

[0015] 1. A large electric push rod is provided below the crucible furnace body. The bottom end of the large electric push rod is connected to the center of the top of the support base plate. A cross-shaped base is provided below the crucible furnace body. The output end of the large electric push rod is drivingly connected to the center of the bottom end of the cross-shaped base, which can drive the height of the crucible furnace body to be adjusted up and down. Then, a hydraulic cylinder drives the sealing cover to move upward, facilitating the staff to feed materials while achieving the effect of improving the convenience of equipment use.

[0016] 2. A fixed platform is sleeved on the surface of the crucible furnace body. The fixed platform has an annular structure, facilitating the staff to walk on the surface of the fixed platform. Then, several groups of limiting crossbars are provided on the surface of the crucible furnace body. One end of each group of limiting crossbars is connected to the surface of the fixed platform, and the other end of each group of limiting crossbars is connected to the boiler room wall, improving the firmness and stability of the fixed platform while achieving the effect of improving the practicality of the equipment.

[0017] Other features and advantages of the present utility model will be described in the subsequent description. And, partly, they will be obvious from the description or understood by implementing the present utility model. The objectives and other advantages of the present utility model can be realized and obtained through the structures pointed out in the description, claims, and drawings. Brief Description of the Drawings

[0018] 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 for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are 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.

[0019] Figure 1 Shows a schematic structural diagram according to an embodiment of the present utility model;

[0020] Figure 2 Shows a schematic structural diagram of the sealing cover according to an embodiment of the present utility model;

[0021] Figure 3 Shows a schematic structural diagram of the crucible furnace body according to an embodiment of the present utility model;

[0022] Figure 4 Shows a schematic structural diagram of the support base plate according to an embodiment of the present utility model.

[0023] In the figure: 1. Crucible furnace body; 2. Sealing cover; 3. Fixed circular plate; 4. Support limit column; 5. Load-bearing beam; 6. Hydraulic cylinder; 7. Transmission support rod; 8. Limit connecting block; 9. Fixed platform; 10. Limit cross bar; 11. Support bottom plate; 12. Large electric push rod; 13. Connecting support seat; 14. Sealing rubber pad; 15. Feed port; 16. Snap-on arc groove; 17. Temperature control display table; 18. Balance connecting rod; 19. Cross-shaped base; 20. Support cushion; 21. Anti-friction coating. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model embodiment provides an electrically heated crucible furnace, comprising a crucible furnace body 1; illustratively, as Figures 1-4 shown.

[0026] A sealing cover 2 is embedded in the top of the crucible furnace body 1, and the sealing cover 2 is movably connected to the top of the crucible furnace body 1. A fixed circular plate 3 is provided on the top of the crucible furnace body 1, and the fixed circular plate 3 is located at the top edge of the crucible furnace body 1. A support and limiting column 4 is provided above the crucible furnace body 1, and the support and limiting column 4 is connected to the top of the fixed circular plate 3. The support and limiting column 4 is rotatably connected to the fixed circular plate 3. A load-bearing beam 5 is provided above the crucible furnace body 1;

[0027] One end of the load-bearing crossbeam 5 is connected to the top of the support limit column 4, a hydraulic cylinder 6 is provided above the crucible furnace body 1, and the hydraulic cylinder 6 is located at one end of the top of the load-bearing crossbeam 5. A transmission support rod 7 is provided above the crucible furnace body 1, and the top of the transmission support rod 7 is transmission-connected to the output end of the hydraulic cylinder 6. A limit connection block 8 is embedded at the center of the surface of the sealing cover 2, and the bottom end of the transmission support rod 7 is movably connected to the top of the limit connection block 8;

[0028] A fixed platform 9 is sleeved on the surface of the crucible furnace body 1. The fixed platform 9 is of an annular structure. A number of groups of limiting crossbars 10 are arranged on the surface of the crucible furnace body 1. One ends of the number of groups of limiting crossbars 10 are all connected to the surface of the fixed platform 9, and the number of groups of limiting crossbars 10 are arranged in an annular array centered on the central axis of the fixed platform 9. A support bottom plate 11 is arranged below the crucible furnace body 1, and the central axis of the support bottom plate 11 coincides with the central axis of the crucible furnace body 1;

[0029] A large electric push rod 12 is arranged below the crucible furnace body 1. The bottom end of the large electric push rod 12 is connected to the center of the top of the support bottom plate 11. A connecting support seat 13 is attached to the bottom of the crucible furnace body 1. A sealing rubber pad 14 is arranged at the bottom end of the sealing cover 2. A feeding port 15 is opened at the top of the crucible furnace body 1. The feeding port 15 is movably embedded with the sealing cover 2. A clamping arc groove 16 is arranged on the inner wall of the feeding port 15;

[0030] A temperature control display meter 17 is arranged on the surface of the crucible furnace body 1. The temperature control display meter 17 is located at the top end of the side wall of the crucible furnace body 1. A number of groups of balance connecting rods 18 are arranged on the surface of the crucible furnace body 1. The number of groups of balance connecting rods 18 are all located below the fixed platform 9, and the number of groups of balance connecting rods 18 are arranged in an annular array centered on the central axis of the crucible furnace body 1. A cross-shaped base 19 is arranged below the crucible furnace body 1;

[0031] The output end of the large electric push rod 12 is in transmission connection with the center of the bottom end of the cross-shaped base 19. A number of groups of support soft pads 20 are arranged on the surface of the cross-shaped base 19. The number of groups of support soft pads 20 are arranged in a rectangular array centered on the central axis of the cross-shaped base 19, and a group of anti-friction coatings 21 are arranged at the top ends of the number of groups of support soft pads 20. The top ends of the number of groups of support soft pads 20 are all connected to the bottom of the connecting support seat 13.

[0032] Specifically, by sleeving a fixed platform 9 on the surface of the crucible furnace body 1, and by the fixed platform 9 being of an annular structure, it is convenient for the staff to walk on the surface of the fixed platform 9. Then, by arranging a number of groups of limiting crossbars 10 on the surface of the crucible furnace body 1, by one ends of the number of groups of limiting crossbars 10 being all connected to the surface of the fixed platform 9, and by the other ends of the number of groups of limiting crossbars 10 being connected to the boiler room wall surface, the firmness and stability of the fixed platform 9 are improved;

[0033] A large electric push rod 12 is provided below the crucible furnace body 1. The bottom end of the large electric push rod 12 is connected to the center of the top of the support bottom plate 11. A cross-shaped base 19 is provided below the crucible furnace body 1. The output end of the large electric push rod 12 is drivingly connected to the center of the bottom end of the cross-shaped base 19, which can drive the height of the crucible furnace body 1 to be adjusted up and down. Then, the hydraulic cylinder 6 drives the sealing cover 2 to move upward, facilitating the staff to add materials.

[0034] The working principle of an electric heating crucible furnace proposed by an embodiment of the present invention is as follows:

[0035] A fixed platform 9 is sleeved on the surface of the crucible furnace body 1. The fixed platform 9 has an annular structure, facilitating the staff to walk on the surface of the fixed platform 9. Then, a number of groups of limit crossbars 10 are provided on the surface of the crucible furnace body 1. One end of each group of limit crossbars 10 is connected to the surface of the fixed platform 9, and the other end of each group of limit crossbars 10 is connected to the boiler room wall, improving the firmness and stability of the fixed platform 9;

[0036] A large electric push rod 12 is provided below the crucible furnace body 1. The bottom end of the large electric push rod 12 is connected to the center of the top of the support bottom plate 11. A cross-shaped base 19 is provided below the crucible furnace body 1. The output end of the large electric push rod 12 is drivingly connected to the center of the bottom end of the cross-shaped base 19, which can drive the height of the crucible furnace body 1 to be adjusted up and down. Then, the hydraulic cylinder 6 drives the sealing cover 2 to move upward, facilitating the staff to add materials;

[0037] A number of groups of balance connecting rods 18 are arranged in an annular array, which can improve the stability of the crucible furnace body 1. The support limit column 4 is clamped to the top end of the fixed circular plate 3. The support limit column 4 is rotatably connected to the fixed circular plate 3. The movable load-bearing cross beam 5 drives the sealing cover 2 to move, further improving the convenience during material addition.

[0038] Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An electric heating crucible furnace, comprising a crucible furnace body (1), characterized in that: A sealing cover (2) is embedded at the top of the crucible furnace body (1). A support and limit column (4) is provided above the crucible furnace body (1). A load-bearing cross beam (5) is provided above the crucible furnace body (1). A hydraulic cylinder (6) is provided above the crucible furnace body (1). A fixed platform (9) is sleeved on the surface of the crucible furnace body (1). A support bottom plate (11) is provided below the crucible furnace body (1). A large electric push rod (12) is provided below the crucible furnace body (1). A feed port (15) is opened at the top of the crucible furnace body (1). A cross-shaped base (19) is provided below the crucible furnace body (1). The output end of the large electric push rod (12) is in transmission connection with the center of the bottom end of the cross-shaped base (19). A plurality of groups of support soft pads (20) are provided on the surface of the cross-shaped base (19). The top ends of the plurality of groups of support soft pads (20) are all connected to the bottom of the connection support seat (13).

2. The electro-heated crucible furnace according to claim 1, characterized in that: The sealing cover (2) is movably clamped with the top of the crucible furnace body (1). A fixed circular plate (3) is provided at the top of the crucible furnace body (1). The fixed circular plate (3) is located at the top edge of the crucible furnace body (1). The support and limit column (4) is clamped at the top end of the fixed circular plate (3). The support and limit column (4) is rotatably connected with the fixed circular plate (3). One end of the load-bearing cross beam (5) is connected to the top end of the support and limit column (4).

3. The electro-heated crucible furnace according to claim 2, wherein: The hydraulic cylinder (6) is located at one end of the top of the load-bearing cross beam (5). A transmission support rod (7) is provided above the crucible furnace body (1). The top end of the transmission support rod (7) is in transmission connection with the output end of the hydraulic cylinder (6). A limit connection block (8) is embedded at the center of the surface of the sealing cover (2). The bottom end of the transmission support rod (7) is movably clamped with the top of the limit connection block (8).

4. The electro-heated crucible furnace according to claim 3, characterized in that: The fixed platform (9) is of an annular structure. A plurality of groups of limit cross bars (10) are provided on the surface of the crucible furnace body (1). One end of each of the plurality of groups of limit cross bars (10) is connected to the surface of the fixed platform (9). And the plurality of groups of limit cross bars (10) are arranged in an annular array with the central axis of the fixed platform (9) as the center.

5. The electro-heated crucible furnace according to claim 1, characterized in that: The central axis of the support bottom plate (11) coincides with the central axis of the crucible furnace body (1). The bottom end of the large electric push rod (12) is connected to the center of the top of the support bottom plate (11). A connection support seat (13) is attached to the bottom of the crucible furnace body (1). A sealing rubber pad (14) is provided at the bottom end of the sealing cover (2).

6. The electric heating type crucible furnace according to claim 2, wherein: The feed port (15) is movably embedded with the sealing cover (2). A clamping arc groove (16) is provided on the inner wall of the feed port (15). A temperature control display meter (17) is provided on the surface of the crucible furnace body (1). The temperature control display meter (17) is located at the top end of the side wall of the crucible furnace body (1).

7. The electro-heated crucible furnace according to claim 1, wherein: The surface of the crucible furnace body (1) is provided with several groups of balance connecting rods (18). Several groups of the balance connecting rods (18) are all located below the fixed platform (9), and several groups of the balance connecting rods (18) are arranged in a circular array centered on the central axis of the crucible furnace body (1).

8. The electric heating crucible furnace according to claim 7, characterized in that: Several groups of the support soft pads (20) are arranged in a rectangular array centered on the central axis of the cross-shaped base (19), and a group of anti-friction coatings (21) are provided at the tops of several groups of the support soft pads (20).

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