Special stirring and sealing device for vacuum melting furnace

Abstract

The utility model relates to the technical field of sealing devices, and discloses a special stirring and sealing device for a vacuum melting furnace, which comprises supporting legs, a vacuum melting furnace body is fixedly mounted at the tops of the supporting legs, a first sealing plate is fixedly mounted at the top of the vacuum melting furnace body, a sealing cover is fixedly mounted at the top of the first sealing plate, and a second sealing plate is fixedly mounted at the top of the second sealing plate. A feeding pipeline is arranged at the top of the sealing cover in a communicating manner; the stirring sealing assembly is arranged inside and above the vacuum melting furnace body, a second motor is arranged, a worm is driven to enable a worm gear to drive a threaded rod, a lantern ring clamping block drives a connecting ring sleeve to move downwards in an L-shaped sliding groove, meanwhile, the connecting ring sleeve drives a connecting rod to move downwards, and a second sealing plate covers a feeding pipeline; and a lantern ring clamping block drives a connecting ring to be sleeved with the interior of an L-shaped sliding groove to upwards drive a connecting rod to upwards, a feeding pipeline is opened for material pouring, and the effects that a second sealing plate can be adjusted to seal the feeding pipeline, and dust is prevented from entering the furnace are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing devices, in particular to a special stirring sealing device for a vacuum melting furnace. Background Art

[0002] The vacuum melting furnace is specially designed to achieve high-purity melting of metals by avoiding oxidation, using the principle that the vapor pressure of metals under vacuum conditions is lower than atmospheric pressure. The main feature of the vacuum melting furnace is that it can strictly control the content of active elements in the alloy, effectively remove gas and non-metallic inclusions and non-ferrous metal impurities, thereby improving the purity of the alloy. This equipment is suitable for melting alloys that require precise component control, high purity, and few inclusions, such as nickel-based high-temperature alloys, ultra-high strength martensitic aging steel, ultra-pure ferritic stainless steel, etc. At the same time, it can also be used to recycle precious alloy materials and produce precision castings without excess processing.

[0003] In today's vacuum melting furnaces, the working environment requires extremely high sealing to prevent the entry of gas and impurities. Some existing stirring and sealing devices may not have ideal sealing effects due to design or material reasons, and there is a risk of gas leakage. At the same time, the stirring process is uneven, and the material stuck to the inner wall of the furnace cannot be cleaned, affecting the melting effect. Utility Model Content

[0004] The utility model aims to provide a special stirring and sealing device for a vacuum melting furnace, so as to achieve the purpose of being easy to use and adjust the seal.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stirring and sealing device dedicated to a vacuum melting furnace, comprising: a supporting leg, wherein a vacuum melting furnace body is fixedly installed on the top of the supporting leg, a sealing plate 1 is fixedly installed on the top of the vacuum melting furnace body, a thermal insulation layer is fixedly installed on the bottom of the sealing plate 1, and the thermal insulation layer is sleeved on the outer wall of the vacuum melting furnace body, a sealing cover is fixedly installed on the top of the sealing plate 1, a temperature controller is fixedly installed on the top of the sealing cover, a feeding pipe is connected to the top of the sealing cover, and a discharging pipe is connected to the bottom of the vacuum melting furnace body; a stirring and sealing assembly, wherein the stirring and sealing assembly is arranged inside and above the vacuum melting furnace body.

[0006] Preferably, the stirring and sealing assembly comprises: a stirring portion, which is arranged inside the vacuum melting furnace body; and a sealing portion, which is arranged above the vacuum melting furnace body.

[0007] Preferably, the stirring part includes: a motor, which is fixedly mounted on the top of the sealing cover; a filter plate, which is fixedly mounted on the inner wall of the vacuum melting furnace body; a connecting shaft is fixedly mounted on the output end of the motor, a stirring blade is fixedly mounted on the bottom of the connecting shaft, and a connecting column is fixedly mounted on the bottom of the stirring blade.

[0008] Preferably, a scraper column is fixedly installed at the bottom of the connecting column, a connecting plate is fixedly installed at one end of the scraper column, and there are five groups in total, and a scraper is fixedly installed on one side of the connecting plate.

[0009] Preferably, the sealing part includes: Motor 2, which is fixedly mounted on the top of the mounting plate; a worm is fixedly mounted on the output end of Motor 2, the worm is meshed with a worm wheel, a mounting column is fixedly mounted on the bottom of the worm wheel, and the mounting column is rotatably connected to the top of the mounting plate.

[0010] Preferably, a threaded rod is fixedly installed on the top of the worm gear, a sleeve is sleeved on the outer wall of the threaded rod, an L-shaped groove is opened on the outer wall of the sleeve, a ring block is slidably connected inside the L-shaped groove, and the ring block is movably sleeved on the outer wall of the threaded rod.

[0011] Preferably, a connecting ring sleeve is fixedly installed on the top of the ring block, and the connecting ring sleeve is movably sleeved on the outer wall of the sleeve, and a connecting rod is movably sleeved on the other end of the connecting ring sleeve.

[0012] Preferably, a sealing plate 2 is fixedly mounted on the bottom of the connecting rod, and the sealing plate 2 is compatible with the inner ring of the feed pipe, and a spring is fixedly mounted on the top of the sealing plate 2, and is movably sleeved on the outer wall of the connecting rod.

[0013] The utility model provides a special stirring and sealing device for a vacuum melting furnace, which has the following beneficial effects:

[0014] (1) The utility model is provided with a motor to place the processed materials from the feed pipe into the interior of the vacuum melting furnace body. The motor drives the connecting shaft to make the stirring blades stir and disperse, so as to prevent the materials from adhering to the inner wall of the vacuum melting furnace body. The scraper is provided. When the stirring blades rotate, the connecting column is driven to make the scraper column drive the scraper to scrape and clean, so as to achieve the effect of being easy to use.

[0015] (2) The utility model is provided with a second motor. After the material is placed, the second motor drives the worm, which drives the worm wheel to drive the threaded rod, so that the sleeve clamp drives the connecting ring sleeve downward inside the L-shaped slide groove. At the same time, the connecting ring sleeve drives the connecting rod downward so that the sealing plate covers the feed pipe. When feeding is required, the sleeve clamp drives the connecting ring sleeve upward inside the L-shaped slide groove to drive the connecting rod upward, open the feed pipe for pouring the material, and achieve the effect of the adjustable sealing plate to seal the feed pipe and prevent dust from entering the furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a top view of the stirring seal assembly structure of the utility model;

[0018] Figure 3 This is a structural view of the stirring part of the stirring sealing assembly of the utility model;

[0019] Figure 4 This is a structural view of the sealing part of the stirring sealing assembly of the utility model.

[0020] In the figure: 1 supporting leg, 2 vacuum melting furnace body, 3 sealing plate 1, 31 insulation layer, 4 sealing cover, 41 mounting plate, 5 temperature device, 6 feeding pipe, 7 discharging pipe, 8 stirring sealing assembly, 81 stirring part, 811 motor, 812 connecting shaft, 813 stirring blade, 814 connecting column, 815 installation scraper column, 816 connecting plate, 817 scraper, 818 filter plate, 82 sealing part, 821 motor 2, 822 worm, 823 worm wheel, 824 installation rotating column, 825 threaded rod, 826 sleeve, 827 L-type slide groove, 828 collar block, 829 connecting ring sleeve, 8210 connecting rod, 8211 sealing plate 2, 8212 spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] Example 1

[0024] The preferred embodiment of the special stirring and sealing device for vacuum melting furnace provided by the utility model is as follows Figure 1-4 As shown: a stirring and sealing device dedicated to a vacuum melting furnace, comprising: a supporting leg 1, wherein a vacuum melting furnace body 2 is fixedly installed on the top of the supporting leg 1, a sealing plate 3 is fixedly installed on the top of the vacuum melting furnace body 2, a thermal insulation layer 31 is fixedly installed on the bottom of the sealing plate 3, and the thermal insulation layer 31 is sleeved on the outer wall of the vacuum melting furnace body 2, a sealing cover 4 is fixedly installed on the top of the sealing plate 3, a temperature controller 5 is fixedly installed on the top of the sealing cover 4, a feeding pipe 6 is connected to the top of the sealing cover 4, and a discharging pipe 7 is connected to the bottom of the vacuum melting furnace body 2; a stirring sealing assembly 8, and the stirring sealing assembly 8 is arranged inside and above the vacuum melting furnace body 2.

[0025] The stirring and sealing assembly 8 includes: a stirring portion 81 , which is disposed inside the vacuum melting furnace body 2 ; and a sealing portion 82 , which is disposed above the vacuum melting furnace body 2 .

[0026] The stirring part 81 includes: a motor 811, which is fixedly installed on the top of the sealing cover 4; a filter plate 818, which is fixedly installed on the inner wall of the vacuum melting furnace body 2; a connecting shaft 812 is fixedly installed on the output end of the motor 811, a stirring blade 813 is fixedly installed on the bottom of the connecting shaft 812, and a connecting column 814 is fixedly installed on the bottom of the stirring blade 813.

[0027] A scraper column 815 is fixedly installed at the bottom of the connecting column 814 , and a connecting plate 816 is fixedly installed at one end of the scraper column 815 , and there are five sets of them in total. A scraper 817 is fixedly installed on one side of the connecting plate 816 .

[0028] Furthermore, in this embodiment, a motor 811 is provided to place the processed material from the feed pipe 6 into the interior of the vacuum melting furnace body 2. The motor 811 drives the connecting shaft 812 to cause the stirring blade 813 to stir and disperse the material to prevent the material from adhering to the inner wall of the vacuum melting furnace body 2. A scraper 817 is provided. When the stirring blade 813 rotates, it drives the connecting column 814 to cause the scraper column 815 to drive the scraper 817 to scrape and clean the material, which is convenient for use.

[0029] Example 2

[0030] On the basis of Example 1, a preferred embodiment of a special stirring and sealing device for a vacuum melting furnace provided by the utility model is as follows: Figure 1-4As shown: the sealing part 82 includes: a second motor 821, which is fixedly mounted on the top of the mounting plate 41; a worm 822 is fixedly mounted on the output end of the second motor 821, and the worm 822 is provided with a worm wheel 823 through meshing, and a mounting column 824 is fixedly mounted on the bottom of the worm wheel 823, and the mounting column 824 is rotatably connected to the top of the mounting plate 41.

[0031] A threaded rod 825 is fixedly installed on the top of the worm gear 823, and a sleeve 826 is sleeved on the outer wall of the threaded rod 825. An L-shaped groove 827 is opened on the outer wall of the sleeve 826. A ring block 828 is slidably connected inside the L-shaped groove 827, and the ring block 828 is movably sleeved on the outer wall of the threaded rod 825.

[0032] A connecting ring sleeve 829 is fixedly installed on the top of the ring block 828 , and the connecting ring sleeve 829 is movably sleeved on the outer wall of the sleeve 826 , and a connecting rod 8210 is movably sleeved on the other end of the connecting ring sleeve 829 .

[0033] A sealing plate 8211 is fixedly installed at the bottom of the connecting rod 8210, and the sealing plate 8211 is compatible with the inner circle of the feed pipe 6. A spring 8212 is fixedly installed on the top of the sealing plate 8211, and is movably sleeved on the outer wall of the connecting rod 8210.

[0034] Furthermore, this embodiment is provided with a second motor 821. After the material is placed, the second motor 821 drives the worm 822, which causes the worm wheel 823 to drive the threaded rod 825, so that the ring block 828 drives the connecting ring sleeve 829 downward inside the L-shaped slide groove 827. At the same time, the connecting ring sleeve 829 drives the connecting rod 8210 downward so that the sealing plate 8211 covers the feed pipe 6. When feeding is needed, the connecting ring sleeve 829 is driven by the ring block 828 to drive the connecting rod 8210 upward inside the L-shaped slide groove 827, and the feed pipe 6 is opened for pouring.

[0035] When in use, first, the processed material is placed from the feed pipe 6 into the interior of the vacuum melting furnace body 2, and the motor 811 drives the connecting shaft 812 to make the stirring blade 813 stir and disperse, so as to prevent the material from adhering to the inner wall of the vacuum melting furnace body 2 by providing a scraper 817. When the stirring blade 813 rotates, it drives the connecting column 814 to make the scraper column 815 drive the scraper 817 to scrape and clean. Further, after the material is placed, the motor 821 drives the worm 814 to move the material to the inner wall of the vacuum melting furnace body 2. 22 makes the worm gear 823 drive the threaded rod 825 so that the collar block 828 drives the connecting ring sleeve 829 downward inside the L-shaped slide groove 827. At the same time, the connecting ring sleeve 829 drives the connecting rod 8210 downward so that the sealing plate 2 8211 covers the feeding pipe 6. Finally, when feeding is needed, the collar block 828 drives the connecting ring sleeve 829 upward inside the L-shaped slide groove 827 to drive the connecting rod 8210 upward, open the feeding pipe 6 for pouring, thereby completing the sealing of the vacuum melting furnace.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A special stirring and sealing device for a vacuum melting furnace, characterized in that: include: Support leg (1), Wherein, a vacuum melting furnace body (2) is fixedly installed on the top of the support leg (1), a sealing plate (3) is fixedly installed on the top of the vacuum melting furnace body (2), a thermal insulation layer (31) is fixedly installed on the bottom of the sealing plate (3), and the thermal insulation layer (31) is sleeved on the outer wall of the vacuum melting furnace body (2), a sealing cover (4) is fixedly installed on the top of the sealing plate (3), a temperature controller (5) is fixedly installed on the top of the sealing cover (4), a feeding pipe (6) is connected to the top of the sealing cover (4), and a discharging pipe (7) is connected to the bottom of the vacuum melting furnace body (2); A stirring seal assembly (8), wherein the stirring seal assembly (8) is arranged inside and above the vacuum melting furnace body (2).

2. A stirring and sealing device for a vacuum melting furnace according to claim 1, characterized in that: The stirring seal assembly (8) comprises: A stirring portion (81), wherein the stirring portion (81) is arranged inside the vacuum melting furnace body (2); A sealing portion (82), wherein the sealing portion (82) is arranged above the vacuum melting furnace body (2).

3. A stirring and sealing device for a vacuum melting furnace according to claim 2, characterized in that: The stirring part (81) comprises: A motor (811), wherein the motor (811) is fixedly mounted on the top of the sealing cover (4); A filter plate (818), wherein the filter plate (818) is fixedly mounted on the inner wall of the vacuum melting furnace body (2); A connecting shaft (812) is fixedly mounted on the output end of the motor (811), a stirring blade (813) is fixedly mounted on the bottom of the connecting shaft (812), and a connecting column (814) is fixedly mounted on the bottom of the stirring blade (813).

4. A stirring and sealing device for a vacuum melting furnace according to claim 3, characterized in that: A scraper column (815) is fixedly mounted at the bottom of the connecting column (814), a connecting plate (816) is fixedly mounted at one end of the scraper column (815), and there are five groups of connecting plates in total, and a scraper (817) is fixedly mounted on one side of the connecting plate (816).

5. The stirring and sealing device for vacuum melting furnace according to claim 2, characterized in that: The sealing portion (82) includes: Motor 2 (821), wherein the motor 2 (821) is fixedly mounted on the top of the mounting plate (41); A worm (822) is fixedly mounted on the output end of the second motor (821), and the worm (822) is meshed with a worm wheel (823). A mounting rotating column (824) is fixedly mounted on the bottom of the worm wheel (823), and the mounting rotating column (824) is rotatably connected to the top of the mounting plate (41).

6. A stirring and sealing device for a vacuum melting furnace according to claim 5, characterized in that: A threaded rod (825) is fixedly mounted on the top of the worm gear (823); a sleeve (826) is sleeved on the outer wall of the threaded rod (825); an L-shaped groove (827) is provided on the outer wall of the sleeve (826); a collar block (828) is slidably connected inside the L-shaped groove (827); and the collar block (828) is movably sleeved on the outer wall of the threaded rod (825).

7. A stirring and sealing device for a vacuum melting furnace according to claim 6, characterized in that: A connecting ring sleeve (829) is fixedly mounted on the top of the ring block (828), and the connecting ring sleeve (829) is movably sleeved on the outer wall of the sleeve (826), and a connecting rod (8210) is movably sleeved on the other end of the connecting ring sleeve (829).

8. The stirring and sealing device for vacuum melting furnace according to claim 7, characterized in that: A sealing plate 2 (8211) is fixedly installed at the bottom of the connecting rod (8210), and the sealing plate 2 (8211) is compatible with the inner ring of the feed pipe (6). A spring (8212) is fixedly installed at the top of the sealing plate 2 (8211), and is movably sleeved on the outer wall of the connecting rod (8210).

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