Automatic electromagnetic stirring device for aluminum alloy smelting

Abstract

The utility model belongs to the technical field of electromagnetic stirring devices, and particularly relates to an aluminum alloy smelting automatic electromagnetic stirring device which comprises a shell, an electromagnetic stirrer is installed at the bottom of the inner wall of the shell, a stirring barrel is installed at the top of the electromagnetic stirrer, and baffles are installed on the two sides of the outer portion of the stirring barrel. Sliding grooves are formed in the back face and the front face of the inner wall of the shell, and stirring assemblies are slidably mounted in the sliding grooves. According to the embodiment, the driving motor works to drive the screw rod to rotate, the electromagnetic coil is adjusted to a proper height according to the height of an aluminum alloy solution in the stirring barrel, and the control box electrifies the electromagnetic coil again, so that the electromagnetic coil forms a magnetic field which acts on the aluminum alloy solution from the side surface to flow; the effect of stirring the aluminum alloy solution on the inner wall edge of the stirring barrel in a flowing manner by matching with an electromagnetic stirrer is achieved, so that the aluminum alloy solution in the stirring barrel is comprehensively and finely stirred and mixed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electromagnetic stirring device technical field, specifically speaking is a kind of aluminium alloy smelting automatic electromagnetic stirring device. BACKGROUND

[0002] Aluminium alloy smelting is a common industrial process, for processing raw materials into the liquid aluminium alloy that meets the requirements, provide basic materials for subsequent casting, processing and manufacturing, aluminium alloy solution mixing smelting needs to be stirred by stirring device, in order to avoid aluminium alloy solution mixed metal impurities, generally using electromagnetic stirring device to carry out non-contact stirring.

[0003] Electromagnetic stirring device is generally installed at the bottom of aluminium alloy smelting barrel, power supply is made to electromagnetic stirring device, so that electromagnetic stirrer forms low-frequency alternating magnetic field to drive aluminium alloy solution to form eddy current to stir, to complete the stirring of aluminium alloy solution.

[0004] But electromagnetic stirring device is installed at the bottom of aluminium alloy smelting barrel and drives aluminium alloy solution to stir, only can make aluminium alloy solution produce eddy current stirring, aluminium alloy solution located at the edge of barrel inner wall will not be stirred thoroughly due to insufficient magnetic field strength, so that aluminium alloy solution stirring mixing is not thorough, by increasing the current of electromagnetic stirring device to enhance the strength of magnetic field can increase the stirring amplitude of aluminium alloy solution, but the stirring amplitude is too large to lead to aluminium alloy solution splashing, therefore, aiming at the above problems, a kind to be presented aluminium alloy smelting automatic electromagnetic stirring device. INVENTION CONTENTS

[0005] In order to make up for the deficiencies of the prior art, in view of the problems existing in the prior art, the utility model provides an aluminium alloy smelting automatic electromagnetic stirring device.

[0006] The utility model solves the technical scheme that it adopts technical scheme of a kind of aluminium alloy smelting automatic electromagnetic stirring device, including shell, the inner wall bottom of shell is installed with electromagnetic stirrer, the top of electromagnetic stirrer is installed with stirring barrel, the outside both sides of stirring barrel are installed with baffle, the inner wall back and front of shell is equipped with sliding slot, the inside sliding installation of sliding slot has stirring assembly;

[0007] The stirring assembly includes a moving plate one slidingly installed in the sliding slot, an electromagnetic coil installed on the top of the moving plate one, a moving plate two installed on the top of the electromagnetic coil, a connecting plate fixedly installed on the left side of the moving plate one and the moving plate two, a threaded hole formed on the top of the moving plate one and the moving plate two, a screw rod threadedly connected in the threaded hole, a fixed plate rotatably connected on the top of the outer surface of the screw rod, and a driving motor installed on the top of the fixed plate.

[0008] Preferably, the bottom of the lead screw is rotatably installed through the moving plate on the top of the inner wall of the shell, the lead screw is arranged in the electromagnetic coil, the fixed plate is fixedly installed on the top of the shell, and the top of the lead screw is connected with the output shaft of the driving motor through the fixed plate.

[0009] Preferably, the bottom of the blocking plate is fixedly installed on the bottom of the inner wall of the shell, and the outer surface of the blocking plate is provided with a water leakage opening arranged outside the electromagnetic stirrer.

[0010] Further, the blocking plate is provided with two blocking plates installed on the left and right sides of the stirring barrel.

[0011] Preferably, the stirring assembly is provided with two stirring assemblies symmetrically arranged on the two sides of the stirring barrel.

[0012] Further, the two electromagnetic coils are arranged on the two sides of the stirring barrel to flow the aluminum alloy solution on the side of the inner wall of the stirring barrel, and cooperate with the electromagnetic stirrer to finely stir the aluminum alloy solution.

[0013] Preferably, the top of the fixed plate is provided with a hole, and a connecting head is arranged on the top of the hole and used for connecting the water pipe.

[0014] Preferably, the shell is provided with supporting columns on the two sides, and a control box is arranged on the left side of the supporting column and used for controlling the driving motor, the electromagnetic stirrer and the electromagnetic coil.

[0015] The utility model discloses the beneficial effects of the following:

[0016] 1、 the utility model discloses, through control box to the electromagnetic stirrer power supply, make the coil of electromagnetic stirrer form magnetic field from the bottom and act on aluminum alloy solution, flow the aluminum alloy solution and stir again, and then through the control box and start the driving motor work, drive the lead screw to rotate, and the electromagnetic coil is adjusted to the suitable height according to the aluminum alloy solution height in the stirring barrel, and the control box is powered on again to the electromagnetic coil, so that the electromagnetic coil forms magnetic field from the side and acts on the aluminum alloy solution flow, reaches the effect that the aluminum alloy solution on the side of the inner wall of the stirring barrel is stirred and flows in cooperation with the electromagnetic stirrer, so that the aluminum alloy solution in the stirring barrel is fully and finely stirred and mixed.

[0017] 2. The utility model discloses, through the cooling water flow from the fixed plate top joint place injection to the electromagnetic coil, carries out cooling to the electromagnetic coil, and the water flow is from the leakage of the barrier plate and flows into the electromagnetic stirrer, carries out cooling treatment to the electromagnetic stirrer, and the water flow is in the leakage of the barrier board on the other side and flows into the right side electromagnetic coil, carries out cooling to two electromagnetic coils, and the water flow can finally from the fixed plate top joint of the right side stirring bucket and flows out, reaches the cooling water circulation injection to the shell, carries out cooling to the electromagnetic coil and the electromagnetic stirrer. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and serve to explain the utility model without imposing any undue limitation to the utility model. In the drawings:

[0019] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the screw rod structure schematic diagram of the utility model;

[0021] Figure 3 It is the joint structure schematic diagram of the utility model;

[0022] Figure 4 It is the stirring assembly structure schematic diagram of the utility model;

[0023] Figure 5 It is the electromagnetic stirrer structure schematic diagram of the utility model.

[0024] Legend:

[0025] In the drawing: 1, shell;11, electromagnetic stirrer;12, stirring bucket;2, barrier plate;21, leakage;3, sliding groove;31, stirring assembly;301, moving plate one;302, electromagnetic coil;303, moving plate two;304, connecting plate;305, screw rod;306, fixed plate;307, drive motor;4, joint;5, support column;51, control box. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5As shown, an automatic electromagnetic stirring device for aluminum alloy smelting includes a shell 1, an electromagnetic stirrer 11 mounted on the inner wall bottom of the shell 1, a stirring barrel 12 mounted on the top of the electromagnetic stirrer 11, a blocking plate 2 mounted on the outside of the stirring barrel 12, a sliding groove 3 formed on the back and front of the inner wall of the shell 1, and a stirring assembly 31 slidably mounted in the sliding groove 3.

[0028] Supporting columns 5 are mounted on the two sides of the shell 1, a control box 51 is mounted on the left side of the supporting column 5, and the control box 51 is used to control the start and stop of the driving motor 307, the electromagnetic stirrer 11 and the electromagnetic coil 302.

[0029] Further, the electromagnetic stirrer 11 is mounted at the bottom of the stirring barrel 12, the electromagnetic stirrer 11 is connected to the control box 51 through a wire, and the control box 51 can control the power of the electromagnetic stirrer 11, start the electromagnetic stirrer 11, and stir the aluminum alloy solution in the stirring barrel 12. The blocking plate 2 is installed on the two sides of the stirring barrel 12, so that the two stirring assemblies 31 can be installed on the two sides of the stirring barrel 12 and move up and down in position with the help of the sliding groove 3. The stirring assembly 31 can also form a magnetic field to assist the electromagnetic stirrer 11 in fine stirring of the aluminum alloy solution.

[0030] It should be noted that the electromagnetic stirrer mainly consists of an electromagnetic coil 302, a core and a control circuit, and its principle is based on electromagnetic induction and electromagnetic force law. The metal aluminum alloy solution generates eddy current and flows under the action of electromagnetic force by generating alternating magnetic field. The stirring barrel 12 is provided with a heating wire, which can be electrified and heated to smelt the aluminum alloy placed in the stirring barrel 12. The electromagnetic stirrer 11 and the stirring barrel 12 are prior art, and their working principle is known to those skilled in the art, which will not be described here.

[0031] First, considering how the stirring assembly 31 assists the electromagnetic stirrer 11 in stirring the aluminum alloy solution, the specific structure of the stirring assembly 31 is disclosed as shown in Figure 2 , Figure 4 and Figure 5 The stirring assembly 31 includes a moving plate one 301 slidably mounted in the sliding groove 3, an electromagnetic coil 302 mounted on the top of the moving plate one 301, a moving plate two 303 mounted on the top of the electromagnetic coil 302, a connecting plate 304 fixedly mounted on the left side of the moving plate one 301 and the moving plate two 303, threaded holes formed in the top of the moving plate one 301 and the moving plate two 303, a lead screw 305 threadedly connected in the threaded holes, a fixed plate 306 rotatably connected to the top of the outer surface of the lead screw 305, and a driving motor 307 mounted on the top of the fixed plate 306.

[0032] The bottom of the lead screw 305 is rotatably installed on the top of the inner wall of the shell 1 through the moving plate 1 301, the lead screw 305 is arranged in the electromagnetic coil 302, and the top of the lead screw 305 is connected with the output shaft of the driving motor 307 through the fixed plate 306. The stirring assembly 31 is provided with two, and the two stirring assemblies 31 are symmetrically distributed on the two sides of the stirring barrel 12.

[0033] Further, the barrier plate 2 is installed on the left side of the stirring barrel 12, so that a space is formed between the barrier plate 2 and the inner wall of the left side of the shell 1, sliding grooves 3 are formed on the front and back of the inner wall of the shell 1, the moving plate 1 301 and the moving plate 2 303 are slidingly installed in the sliding grooves 3, the electromagnetic coil 302 is installed in the middle of the moving plate 1 301 and the moving plate 2 303 for limiting, the lead screw 305 is threadedly connected in the threaded hole formed in the top of the moving plate 1 301 and the moving plate 2 303, the bottom of the lead screw 305 is rotatably installed on the bottom of the inner wall of the shell 1, the top of the lead screw 305 penetrates through the fixed plate 306 fixedly installed on the top of the shell 1, so that the lead screw 305 is connected with the output shaft of the driving motor 307, and then the control box 51 controls the driving motor 307 to be energized and started, the driving motor 307 drives the lead screw 305 to rotate, and then the moving plate 1 301 and the moving plate 2 303 can move up and down along the lead screw 305, the electromagnetic coil 302 is adjusted to a suitable position, the control box 51 controls the driving motor 307 to stop, and the electromagnetic coil 302 is energized again, a magnetic field is formed outside the electromagnetic coil 302 and acts on the aluminum alloy solution, so that the electromagnetic coil 302 can form a magnetic field on the side of the stirring barrel 12, and the electromagnetic stirrer 11 can assist the flow stirring of the aluminum alloy solution on the inner wall of the stirring barrel 12, so that the aluminum alloy solution is finely stirred, the stirring intensity is accurately controlled, the aluminum alloy melt is reduced, and the burning loss rate of the aluminum alloy solution is reduced.

[0034] It should be noted that the electromagnetic coil 302 is adjusted in position up and down by the lead screw 305, and the position of the electromagnetic coil 302 can be adjusted according to the stirring requirements of the aluminum alloy solution at different heights of the stirring barrel 12, so that the electromagnetic force can be applied in layers, and the aluminum alloy solution can be finely stirred.

[0035] Secondly, considering that the electromagnetic stirrer 11 and the electromagnetic coil 302 will heat when energized, cooling is needed. Figure 3 and Figure 5 The bottom of the barrier plate 2 is fixedly installed on the bottom of the inner wall of the shell 1, and the outer surface of the barrier plate 2 is provided with a water leakage opening 21, which is arranged outside the electromagnetic stirrer 11.

[0036] The top of the fixed plate 306 is provided with a hole, and a connector 4 is installed on the top of the hole for connecting the water pipe.

[0037] Further, a hole is formed in the top of the fixed plate 306, and a connecting head 4 is installed on the top of the hole, so that the water cooling device can be connected to the connecting head 4 through a water conveying pipe, and then cooling water is injected into the space formed by the left partition plate 2 and the shell 1, so as to take away the heat of the electromagnetic coil 302 and cool the electromagnetic stirring device 11, and the water flow can enter the electromagnetic stirring device 11 through the water leakage hole 21 formed on the outer surface of the partition plate 2, so as to also cool the electromagnetic stirring device 11, and the water source continues to flow into the space formed by the right partition plate 2 and the shell 1 through the water leakage hole 21 formed on the right partition plate 2, so as to cool the other electromagnetic coil 302, and the water flow can flow out from the water conveying pipe connected to the connecting head 4 on the top of the fixed plate 306 on the right side of the stirring barrel 12, so as to achieve the effect of water cooling and cooling of the electromagnetic coil 302 and the electromagnetic stirring device 11.

[0038] It should be noted that the water cooling device is composed of a heat exchanger, a water pump, a water tank and a water conveying pipe, which is used for pressurizing and cooling the water flow, and can cool the water flow and input it into the shell 1 to circulate and flow out, so as to cool the electromagnetic coil 302 and the electromagnetic stirring device 11.

[0039] In summary, the working principle of the utility model is as follows:

[0040] When the aluminum alloy is smelted, the aluminum alloy is placed in the stirring barrel 12 for heating and smelting, and then the control box 51 is used to energize the electromagnetic stirring device 11, so that the coil of the electromagnetic stirring device 11 forms a magnetic field acting on the aluminum alloy solution from the bottom, and the aluminum alloy solution is stirred, and then the control box 51 is used to start the driving motor 307 to work, so as to drive the screw rod 305 to rotate, and the electromagnetic coil 302 is adjusted to a suitable height according to the height of the aluminum alloy solution in the stirring barrel 12, and then the control box 51 is used to energize the electromagnetic coil 302 again, so that the electromagnetic coil 302 forms a magnetic field acting on the aluminum alloy solution from the side, so as to achieve the effect of cooperating with the electromagnetic stirring device 11 to stir the aluminum alloy solution on the inner wall of the stirring barrel 12, and the aluminum alloy solution in the stirring barrel 12 is fully and finely stirred and mixed.

[0041] The water cooling device is used to inject cooling water flow into the electromagnetic coil 302 from the connecting head 4 on the top of the fixed plate 306, so as to cool and cool the electromagnetic coil 302, and the water flow flows into the electromagnetic stirring device 11 through the water leakage hole 21 of the partition plate 2, so as to cool and cool the electromagnetic stirring device 11, and the water flow flows into the right electromagnetic coil 302 through the water leakage hole 21 on the other partition plate 2, so as to cool and cool the two electromagnetic coils 302, and finally the water flow can flow out from the connecting head 4 on the top of the fixed plate 306 on the right side of the stirring barrel 12, so as to achieve the effect of circulating injection of cooling water into the shell 1, and cooling and cooling of the electromagnetic coil 302 and the electromagnetic stirring device 11.

[0042] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The basic principle, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An automatic electromagnetic stirring device for smelting aluminum alloy, comprising a shell (1), an electromagnetic stirrer (11) is mounted on the inner wall bottom of the shell (1), and a stirring barrel (12) is mounted on the top of the electromagnetic stirrer (11), characterized in that: Both sides of the stirring barrel (12) are provided with a barrier plate (2), the inner wall of the shell (1) is provided with a sliding groove (3), and the stirring assembly (31) is slidably arranged in the sliding groove (3). The stirring assembly (31) comprises a moving plate (301) slidably arranged in the sliding groove (3), an electromagnetic coil (302) is arranged on the top of the moving plate (301), a moving plate (303) is arranged on the top of the electromagnetic coil (302), a connecting plate (304) is fixedly arranged on the left side of the moving plate (301) and the moving plate (303), threaded holes are formed in the top of the moving plate (301) and the moving plate (303), a lead screw (305) is screwed into the threaded holes, a fixed plate (306) is rotatably connected to the top of the lead screw (305), and a drive motor (307) is arranged on the top of the fixed plate (306).

2. The automatic electromagnetic stirring device for melting aluminum alloy according to claim 1, characterized in that: The bottom of the lead screw (305) is rotatably arranged in the inner wall of the shell (1), the lead screw (305) is arranged in the electromagnetic coil (302), the fixed plate (306) is fixedly arranged on the top of the shell (1), and the top of the lead screw (305) is connected with the output shaft of the drive motor (307) through the fixed plate (306).

3. The automatic electromagnetic stirring device for melting aluminum alloy as claimed in claim 1, wherein: The bottom of the barrier plate (2) is fixedly arranged on the inner wall of the shell (1), a water leakage hole (21) is formed in the outer surface of the barrier plate (2), and the water leakage hole (21) is arranged outside the electromagnetic stirrer (11).

4. The automatic electromagnetic stirring device for melting aluminum alloy as claimed in claim 1, wherein: The stirring assembly (31) is provided with two stirring assemblies (31), and the two stirring assemblies (31) are symmetrically arranged on both sides of the stirring barrel (12).

5. The automatic electromagnetic stirring device for melting aluminum alloy as claimed in claim 1, wherein: A connecting head (4) is arranged on the top of the fixed plate (306), and the connecting head (4) is used for connecting the water pipe.

6. The automatic electromagnetic stirring device for melting aluminum alloy as claimed in claim 1, wherein: The shell (1) is provided with a support column (5) on both sides, the control box (51) is arranged on the left side of the support column (5), and the drive motor (307), the electromagnetic stirrer (11) and the electromagnetic coil (302) are controlled to start and stop.

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