Machine edge heat preservation furnace suitable for automatic production line

Abstract

The utility model discloses a machine edge heat preservation furnace suitable for an automatic production line, and relates to the technical field of molten aluminum refining. A furnace cover is mounted at the upper end of the furnace body; an aluminum injection chamber, a degassing chamber, a holding chamber and an aluminum taking chamber are formed in the furnace body at intervals; the aluminum injection chamber, the degassing chamber and the maintaining chamber are communicated with one another; molten aluminum is injected through the aluminum injection chamber and enters the degassing chamber, and the molten aluminum located in the degassing chamber is degassed through the degassing circulating pump and circulates into the maintaining chamber. A slag removing opening used for removing aluminum slag is formed in the upper portion of the maintaining chamber; the electric heaters are distributed in the holding chamber and the aluminum taking chamber so as to heat the molten aluminum; the laser detection devices are distributed at the holding chamber and the aluminum taking chamber to monitor the height of molten aluminum in real time; the aluminum discharge pump is mounted between the holding chamber and the aluminum taking chamber; the molten aluminum without the aluminum slag flows back to the aluminum injection chamber to form molten aluminum circulation or is pumped into the aluminum taking chamber through an aluminum discharging pump; the heat preservation furnace is optimized in structure, achieves automatic machining, is compact in equipment structure and easy and convenient to operate, guarantees the quality of molten aluminum and improves the production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum melt refining, in particular to a side-mounted holding furnace applicable to an automatic production line. Background Art

[0002] In order to respond to the national goals of achieving carbon peak and carbon neutrality and the corresponding policies introduced, major vehicle manufacturers in the new energy vehicle field have quickly developed all-aluminum bodies, making the vehicle manufacturing more efficient and less costly. At the same time, the lightweight of new energy vehicles also increases their endurance, enabling the rapid development of new energy vehicles. Among them, aluminum alloy die-cast parts such as motor housings, front longitudinal beams of the body, rear longitudinal beams, ABCD pillars of the body, rear axle cross beams, and battery trays are widely used in new energy vehicles. At the same time, the aluminum alloy die-cast parts used are larger in volume and more complex in structure, posing higher requirements for the amount and quality of aluminum liquid. However, due to limitations in aspects such as maintaining the quality of molten aluminum and transporting molten aluminum, especially in a highly automated industry like the automotive industry, production efficiency is greatly affected.

[0003] Therefore, aiming at the shortcomings that it is difficult to guarantee the processing quality of the aluminum liquid used in existing new energy vehicle parts, which in turn affects production efficiency, a device with an optimized structure is designed. On the premise of ensuring the quality of molten aluminum, the device has a compact structure, is easy to operate, and improves the degree of automation to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a side-mounted holding furnace applicable to an automatic production line, which has the functions of linking a holding furnace with an aluminum melting furnace, improving the degree of automation of aluminum alloy die-casting molding, having a compact structure, being easy to operate, and ensuring the quality of molten aluminum.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A side-mounted holding furnace applicable to an automatic production line, the holding furnace being controlled by an external controller, comprising:

[0007] A furnace body, the furnace body being supported and installed by a bracket;

[0008] A furnace cover is distributed above the furnace body;

[0009] Inside the furnace body, an aluminum injection chamber, a degassing chamber, a holding chamber, and an aluminum extraction chamber located downstream of the holding chamber in the process are formed at intervals;

[0010] The aluminum injection chamber, the degassing chamber, and the holding chamber are interconnected;

[0011] A degassing circulation pump, the degassing circulation pump being installed in the degassing chamber;

[0012] The molten aluminum is injected through the aluminum injection chamber and enters the degassing chamber, and the molten aluminum in the degassing chamber is degassed by the degassing circulation pump and circulated to the holding chamber;

[0013] There are two slag cleaning openings for removing aluminum slag opened at the furnace cover above the holding chamber;

[0014] Electric heaters, which are distributed in the holding chamber and the aluminum taking chamber to heat the molten aluminum to maintain the temperature of the molten aluminum;

[0015] Laser detection devices, which are distributed in the holding chamber and the aluminum taking chamber to monitor the height of the molten aluminum in real time;

[0016] An aluminum discharging pump, which is installed between the holding chamber and the aluminum taking chamber;

[0017] The molten aluminum for removing aluminum slag flows back to the aluminum injection chamber to form a molten aluminum circulation or is pumped to the aluminum taking chamber through the aluminum discharging pump.

[0018] Furthermore, the degassing circulation pump includes:

[0019] A first mounting frame, which is fixedly installed on the furnace cover above the degassing chamber;

[0020] A first motor, which is fixedly installed on the first mounting frame;

[0021] A first rotor, which is drivingly connected to the first motor;

[0022] A ceramic outer lining, which is coated on the outer periphery of the lower side of the first rotor;

[0023] A first impeller, which is connected to the bottom of the first rotor;

[0024] Through holes are respectively formed at the centers of the first rotor and the first impeller;

[0025] It also includes:

[0026] A gas source controller, which is installed on the first mounting frame;

[0027] The gas source controller controls the inert gas to sequentially pass through the through holes of the first rotor and the first impeller and enter the molten aluminum along the bottom of the first impeller;

[0028] A spiral prefabricated part, which is installed at the bottom of the degassing chamber and located outside the first impeller;

[0029] The spiral prefabricated part is spiral and forms a side opening along its trajectory;

[0030] A cover plate is installed at the upper opening of the spiral prefabricated part;

[0031] One part of the motor is adjusted by a frequency converter and drives one part of the rotor to rotate, forming synchronous rotation of one part of the impeller to achieve degassing of molten aluminum and flowing out along the side opening of the spiral preform into the holding chamber.

[0032] Further, a liquid lifting chamber is formed between the holding chamber and the aluminum taking chamber;

[0033] An aluminum discharge trough is installed at the upper opening of the liquid lifting chamber;

[0034] The opening end of the aluminum discharge trough extends to one side above the aluminum taking chamber;

[0035] Part of the aluminum discharge pump is located in the aluminum discharge trough;

[0036] The aluminum discharge pump extracts molten aluminum and transports it to the aluminum taking chamber through the aluminum discharge trough.

[0037] Further, the holding furnace includes:

[0038] One part of the filter plate and two parts of the filter plate;

[0039] One part of the filter plate is installed between the aluminum injection chamber and the holding chamber;

[0040] The molten aluminum in the holding chamber is filtered by one part of the filter plate and flows back into the aluminum injection chamber;

[0041] Two parts of the filter plate are installed between the holding chamber and the liquid lifting chamber;

[0042] The molten aluminum in the holding chamber is filtered through two parts of the filter plate and enters the liquid lifting chamber, and the molten aluminum in the liquid lifting chamber is extracted by the aluminum discharge pump and flows into the aluminum taking chamber along the aluminum discharge trough.

[0043] Further, the aluminum discharge pump includes:

[0044] Two parts of the mounting frame, and two parts of the mounting frame are installed on the furnace cover above the liquid lifting chamber;

[0045] Two parts of the motor, and two parts of the motor are fixedly installed on the mounting frame;

[0046] Two parts of the rotor, and a bearing is installed on two parts of the rotor;

[0047] A coupling, and two parts of the motor are drivingly connected to two parts of the rotor through the coupling;

[0048] A liquid lifting pipe, and the liquid lifting pipe is located at the outer periphery of the lower side of two parts of the rotor;

[0049] The upper opening end of the liquid lifting pipe is communicated with the inside of the aluminum discharge trough;

[0050] Two parts of the impeller, and two parts of the impeller are connected to the bottom of two parts of the rotor;

[0051] The second motor is adjusted by a frequency converter and drives the second rotor to rotate, so that the second impeller rotates synchronously, thereby pushing the molten aluminum to rise into the riser pipe and flowing into the aluminum taking chamber through the aluminum discharging tank.

[0052] Further, an overflow port is provided on one side of the aluminum taking chamber;

[0053] The overflow port is communicated between the holding chamber and the aluminum taking chamber;

[0054] When the liquid level of the molten aluminum in the aluminum taking chamber is too high, it overflows back into the holding chamber through the overflow port.

[0055] Further, a thermocouple device is included, and the thermocouple device is distributed and installed in the holding chamber and the aluminum taking chamber to detect the temperature of the molten aluminum.

[0056] Further, a T-shaped baffle is provided between the aluminum injection chamber, the degassing chamber and the holding chamber;

[0057] The T-shaped baffle between the aluminum injection chamber and the degassing chamber forms a first channel;

[0058] The T-shaped baffle between the degassing chamber and the holding chamber forms a second channel;

[0059] The T-shaped baffle between the aluminum injection chamber and the holding chamber forms a third channel;

[0060] The molten aluminum circulates along the first channel, the second channel and the third channel.

[0061] In the above technical solution, the side-mounted holding furnace of the present utility model applicable to an automatic production line has the following beneficial effects:

[0062] The side-mounted holding furnace of the present utility model applicable to an automatic production line has an optimized structure. The furnace body is internally spaced to form an aluminum injection chamber, a degassing chamber, a holding chamber and an aluminum taking chamber. The molten aluminum flows between the chambers and cooperates with different processing means to achieve automated processing. The equipment has a compact structure, is easy to operate, further ensures the quality of the molten aluminum, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0063] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0064] Figure 1 It is a schematic structural diagram of the side-mounted holding furnace of the present utility model applicable to an automatic production line provided by an embodiment of the present utility model;

[0065] Figure 2Partial structural schematic diagram of the in-line holding furnace applicable to an automatic production line provided by an embodiment of the present utility model;

[0066] Figure 3 Partial structural schematic diagram of the in-line holding furnace applicable to an automatic production line provided by an embodiment of the present utility model;

[0067] Figure 4 Partial structural schematic diagram of the in-line holding furnace applicable to an automatic production line provided by an embodiment of the present utility model;

[0068] Figure 5 Partial structural schematic diagram of the in-line holding furnace applicable to an automatic production line provided by an embodiment of the present utility model;

[0069] Figure 6 Schematic diagram of the flow direction of molten aluminum in the in-line holding furnace applicable to an automatic production line provided by an embodiment of the present utility model;

[0070] Figure 7 Cross-sectional view of the in-line holding furnace applicable to an automatic production line provided by an embodiment of the present utility model.

[0071] Explanation of reference numerals:

[0072] 1, furnace body; 2, furnace cover; 3, degassing circulation pump; 4, electric heater; 5, laser detection device; 8, thermocouple device; 9, T-shaped baffle;

[0073] 11, aluminum injection chamber; 12, degassing chamber; 13, holding chamber; 14, aluminum taking chamber; 15, liquid lifting chamber;

[0074] 141, overflow port;

[0075] 21, slag cleaning port;

[0076] 31, first part of mounting frame; 32, first part of motor; 33, first part of rotor; 34, ceramic outer lining; 35, first part of impeller; 36, through hole; 37, gas source controller; 38, spiral preform; 39, cover plate;

[0077] 61, aluminum discharging pump; 62, aluminum discharging trough;

[0078] 611, second part of mounting frame; 612, second part of motor; 613, second part of rotor; 614, bearing; 615, coupling; 616, lifting pipe; 617, second part of impeller;

[0079] 71, first part of filter plate; 72, second part of filter plate;

[0080] 91, first channel; 92, second channel; 93, third channel. Detailed implementation manners

[0081] To enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further described in detail below in conjunction with the accompanying drawings.

[0082] It should be noted that the orientation or positional relationship indicated by the terms "upper end", "above", "one side", etc. used herein is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description. Similar expressions are only for the purpose of illustration, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0083] See Figures 1 - 7 as shown in

[0084] A furnace-side heat-insulating furnace applicable to an automatic production line, the heat-insulating furnace being controlled by an external controller, comprising:

[0085] A furnace body 1, the furnace body 1 being supported and installed by a bracket;

[0086] A furnace cover 2 is distributed above the furnace body 1;

[0087] Inside the furnace body 1, an aluminum injection chamber 11, a degassing chamber 12, a holding chamber 13, and a molten aluminum taking chamber 14 located downstream of the process of the holding chamber 13 are formed at intervals;

[0088] The aluminum injection chamber 11, the degassing chamber 12, and the holding chamber 13 are interconnected;

[0089] A degassing circulation pump 3, the degassing circulation pump 3 being installed in the degassing chamber 12;

[0090] The molten aluminum is injected through the aluminum injection chamber 11 and enters the degassing chamber 12, and the molten aluminum in the degassing chamber 12 is degassed by the degassing circulation pump 3 and circulated to the holding chamber 13;

[0091] Two groups of slag cleaning ports 21 for removing aluminum slag are provided at the furnace cover 2 above the holding chamber 13;

[0092] An electric heater 4, the electric heater 4 being distributed in the holding chamber 13 and the molten aluminum taking chamber 14 to heat the molten aluminum to maintain the temperature of the molten aluminum;

[0093] A laser detection device 5, the laser detection device 5 being distributed in the holding chamber 13 and the molten aluminum taking chamber 14 to monitor the height of the molten aluminum in real time;

[0094] A molten aluminum pump 61, the molten aluminum pump 61 being installed between the holding chamber 13 and the molten aluminum taking chamber 14;

[0095] The aluminum liquid cleared of aluminum dross flows back into the aluminum injection chamber 11 to form an aluminum liquid circulation or is pumped into the aluminum extraction chamber 14 by the aluminum extraction pump 61.

[0096] Specifically, the in-line holding furnace applicable to the automatic production line includes a furnace body 1. Different areas are divided inside the furnace body 1 for different processing processes of molten aluminum. The inside of the furnace body 1 is divided into an aluminum injection chamber 11, a degassing chamber 12, a holding chamber 13, and an aluminum extraction chamber 14. The aluminum injection chamber 11, the degassing chamber 12, and the holding chamber 13 are connected to each other. Molten aluminum can circulate among the three chambers. The aluminum injection chamber 11 is the chamber where molten aluminum is injected. The degassing chamber 12 is for degassing the molten aluminum. The holding chamber 13 is the next process after the aluminum liquid is degassed. The molten aluminum is injected into the aluminum injection chamber 11. Due to the interconnected structure of the three chambers, the molten aluminum in the aluminum injection chamber 11 will enter the next area, that is, the degassing chamber 12. A degassing circulation pump 3 is installed in the degassing chamber 12. The degassing circulation pump 3 degasses the molten aluminum and can circulate the molten aluminum into the next chamber at the same time. The degassed molten aluminum continues to flow into the holding chamber 13. The electric heater 4 in the holding chamber 13 heats the molten aluminum to make the temperature of the molten aluminum reach the process requirements. At the same time, the laser detection device 5 located at the holding chamber 13 will monitor the height of the molten aluminum in real time to avoid the overflow of the molten aluminum or too low liquid level. If the liquid level of the molten aluminum is too low, it is easy to cause the electric heater 4 to dry burn and be damaged; then open the slag cleaning port 21 above the holding chamber 13 to fish out and remove the aluminum dross in the molten aluminum;

[0097] Furthermore, the aluminum extraction chamber 14 is located downstream of the process of the holding chamber 13. An aluminum extraction pump 61 is provided between the aluminum extraction chamber 14 and the holding chamber 13. When the molten aluminum in the holding chamber 13 is heated and the aluminum dross is removed, the molten aluminum in the holding chamber 13 is lifted to a certain height by the aluminum extraction pump 61 and then discharged into the aluminum extraction chamber 14. The aluminum extraction chamber 14 is completely separated from the holding chamber 13, the degassing chamber 12, and the aluminum injection chamber 11. The molten aluminum in the aluminum extraction chamber 14 will not be affected by the molten aluminum in other chambers in terms of quality; the aluminum extraction chamber 14 has an independent electric heater 4 and a laser detection device 5 to keep the qualified molten aluminum at the process requirements temperature for use by the die-casting machine.

[0098] The degassing circulation pump 3 includes:

[0099] A first mounting frame 31, and the first mounting frame 31 is fixedly installed on the furnace cover 2 above the degassing chamber 12;

[0100] A first motor 32, and the first motor 32 is fixedly installed on the first mounting frame 31;

[0101] A first rotor 33, and the first motor 32 is drivingly connected to the first rotor 33;

[0102] A ceramic outer lining 34, and the ceramic outer lining 34 is coated on the outer periphery of the lower side of the first rotor 32;

[0103] One part of the impeller 35 is connected to the bottom of one part of the rotor 33;

[0104] Through holes 36 are respectively provided at the centers of one part of the rotor 33 and one part of the impeller 35;

[0105] It further includes:

[0106] A gas source controller 37 is installed on one part of the mounting frame 31;

[0107] The gas source controller 37 controls the inert gas to sequentially pass through the through holes 36 of one part of the rotor 33 and one part of the impeller 35 and enter the molten aluminum along the bottom of one part of the impeller 35;

[0108] A spiral preform 38 is installed at the bottom of the degassing chamber 12 and is located outside the circumference of one part of the impeller 35;

[0109] The spiral preform 38 is spiral and forms a side opening along its trajectory;

[0110] A cover plate 39 is installed at the upper opening of the spiral preform 38;

[0111] One part of the motor 32 is adjusted by a frequency converter and drives one part of the rotor 33 to rotate, causing one part of the impeller 35 to rotate synchronously to achieve degassing of the molten aluminum and flow out to the holding chamber 13 along the side opening of the spiral preform 38.

[0112] Specifically, the degassing circulation pump 3 is an integrated degassing and circulation structure, specifically including one part of the mounting frame 31, one part of the motor 32, one part of the rotor 33, a ceramic outer lining 34, one part of the impeller 35, a gas source controller 37, and a spiral preform 38. Among them, one part of the motor 32 provides power for one part of the rotor 33 to rotate, and one part of the impeller 35 is arranged on one part of the rotor 33 and will rotate synchronously with one part of the rotor 33. The molten aluminum is circulated and stirred by one part of the impeller 35 for degassing. Among them, the inert gas passes through the through hole 36 at the center of one part of the rotor 33 to the through hole 36 at the center of one part of the impeller 35 and then enters the molten aluminum from the bottom of one part of the impeller 35. The rotation of one part of the impeller 35 will form a vortex in the spiral space composed of the spiral preform 38 and the cover plate 39 in a spiral shape. The entering inert gas is broken into small bubbles in the molten aluminum spiral and is circulated into the holding chamber 13. The amount of the entering inert gas can be set, and one part of the motor 32 adopts frequency conversion control to control the molten aluminum circulation amount; in addition, a ceramic outer lining 34 is arranged outside one part of the rotor 33 to improve wear resistance and extend the service life;

[0113] Preferably, the impeller part 35 of the degassing circulation pump 3 rotates to circulate the molten aluminum in the aluminum injection chamber 11, the degassing chamber 12, and the holding chamber 13, so that the molten aluminum is fully degassed and evenly distributed in each chamber. Specifically, the degassing circulation pump 3 has an impeller part 35, and the lower part of the degassing chamber 12 is the circulation stirring area of the impeller part 35. The rotating impeller part 35 breaks the introduced inert gas into a large number of dispersed bubbles, causing the bubbles to disperse in the molten aluminum in the stirring area at the lower part of the degassing chamber 12. The impeller part 35 rotates to suck the molten aluminum at the upper part of the degassing chamber 12 to the lower part, and then quickly pushes the molten aluminum into the holding chamber 13; the molten aluminum entering the holding chamber 13 contains a large amount of inert gas. The bubbles adsorb hydrogen and oxide inclusions in the molten aluminum according to the principle of gas partial pressure difference and surface adsorption, and rise to the surface with the bubbles. The two slag cleaning ports 21 distributed above the holding chamber 13 can conveniently and quickly remove the aluminum slag on the surface of the molten aluminum. The slag removal process is concentrated in the holding chamber 13, and the structure is compact and convenient for aluminum slag cleaning.

[0114] A liquid lifting chamber 15 is formed between the holding chamber 13 and the aluminum taking chamber 14;

[0115] An aluminum discharge trough 62 is installed at the opening above the liquid lifting chamber 15;

[0116] The opening end of the aluminum discharge trough 62 extends to one side above the aluminum taking chamber 14;

[0117] Part of the aluminum discharge pump 61 is located in the aluminum discharge trough 62;

[0118] The aluminum discharge pump 61 extracts the molten aluminum and transports it to the aluminum taking chamber 14 through the aluminum discharge trough 62.

[0119] Specifically, a liquid lifting chamber 15 is arranged between the holding chamber 13 and the aluminum taking chamber 14. The liquid lifting chamber 15 is used to install the aluminum discharge pump 61. Part of the aluminum discharge pump 61 passes through the aluminum discharge trough 62. The opening end of the aluminum discharge trough 62 extends above the aluminum taking chamber 14. An opening for the molten aluminum to flow in is arranged above the aluminum taking chamber 14. The molten aluminum flowing out through the aluminum discharge trough 62 will flow into the interior of the aluminum taking chamber 14 from the opening above the aluminum taking chamber 14. The molten aluminum in the liquid lifting chamber 15 is lifted to a certain height by the aluminum discharge pump 61 and the molten aluminum is injected through the aluminum discharge trough 62 above the aluminum taking chamber 14, so that the quality of the molten aluminum in the aluminum taking chamber 14 is not affected by the molten aluminum in other chambers.

[0120] The holding furnace includes a first filter plate 71 and a second filter plate 72;

[0121] The first filter plate 71 is installed between the aluminum injection chamber 11 and the holding chamber 13;

[0122] The molten aluminum in the holding chamber 13 is filtered by the first filter plate 71 and flows back to the aluminum injection chamber 11;

[0123] The second filter plate 72 is installed between the holding chamber 13 and the liquid lifting chamber 15;

[0124] The molten aluminum in the holding chamber 13 is filtered by the second filter plate 72 and enters the liquid lifting chamber 15, and the molten aluminum in the liquid lifting chamber 15 is pumped by the aluminum discharging pump 61 and flows into the aluminum taking chamber 14 along the aluminum discharging groove 62.

[0125] Specifically, there is a first filter plate 71 separating the holding chamber 13 from the aluminum injection chamber 11. The molten aluminum in the holding chamber 13 flows back to the aluminum injection chamber 11 through the first filter plate 71, forming a molten aluminum circulation among the aluminum injection chamber 11, the degassing chamber 12, and the holding chamber 13. At the same time, a second filter plate 72 is provided between the holding chamber 13 and the liquid lifting chamber 15. After the refined molten aluminum, the impurities are removed by the second filter plate 72, and the qualified molten aluminum is pumped into the aluminum taking chamber 14 by the aluminum discharging pump 61 for subsequent use.

[0126] The aluminum discharging pump 61 includes:

[0127] A second mounting frame 611, which is mounted on the furnace cover 2 above the liquid lifting chamber 15;

[0128] A second motor 612, which is fixedly mounted on the mounting frame 611;

[0129] A second rotor 613, on which a bearing 614 is mounted;

[0130] A coupling 615, and the second motor 612 is drivingly connected to the second rotor 613 through the coupling 615;

[0131] A liquid lifting pipe 616, which is located at the outer periphery of the lower side of the second rotor 613;

[0132] The upper open end of the liquid lifting pipe 616 is communicated with the inside of the aluminum discharging groove 62;

[0133] A second impeller 617, which is connected to the bottom of the second rotor 613;

[0134] The second motor 612 is adjusted by a frequency converter and drives the second rotor 613 to rotate, causing the second impeller 617 to rotate synchronously to push the molten aluminum up into the liquid lifting pipe 616 and flow into the aluminum taking chamber 14 through the aluminum discharging groove 62.

[0135] Specifically, the tapping pump 61 can lift the molten aluminum at a lower liquid level to a higher position, ensuring a normal liquid level in the aluminum tapping chamber 14 even when the liquid level in the holding chamber 13 is low. The tapping pump 61 has a mounting frame part two 611, a motor part two 612, a rotor part two 613, a lifting pipe 616, an impeller part two 617, as well as bearings 614 and a coupling 615. A coupling 615 is installed between the motor part two 612 and the rotor part two 613. The bearings 614 assist the rotor part two 613, playing the roles of support, reducing the friction coefficient, and ensuring the rotational accuracy. The motor part two 612 provides power for the rotor part two 613. The impeller part two 617 is arranged on the rotor part two 613 and rotates synchronously with the rotor part two 613. During the rotation of the impeller part two 617, the blades rotate to push the molten aluminum upward. The gap between the impeller part two 617 and the lifting pipe 616 is very small, and the lifting efficiency is very high. The molten aluminum below the impeller part two 617 can be quickly pushed above the lifting pipe 616 and then discharged into the aluminum tapping chamber 14 through the tapping trough 62.

[0136] Preferably, the motor part two 612 is frequency-controlled. The tapping amount is controlled according to the liquid level height in the aluminum tapping chamber 14, and the frequency of the motor part two 612 is controlled according to the liquid level height in the holding chamber 13, making the process of the molten aluminum entering the aluminum tapping chamber 14 through the tapping trough 62 stable and reliable. Among them, the gap between the lifting pipe 616 and the impeller part two 617 is very small, and the lifting efficiency of the molten aluminum is high. The molten aluminum can still meet the demand for large-flow tapping at a low liquid level.

[0137] An overflow port 141 is provided on one side of the aluminum tapping chamber 14;

[0138] The overflow port 141 is connected between the holding chamber 13 and the aluminum tapping chamber 14;

[0139] When the liquid level of the molten aluminum in the aluminum tapping chamber 14 is too high, it overflows back into the holding chamber 13 through the overflow port 141.

[0140] Specifically, an overflow port 141 is provided in the aluminum tapping chamber 14. When the liquid level of the molten aluminum inside the aluminum tapping chamber 14 is too high, it can overflow back into the holding chamber 13 through the overflow port 141, further preventing the overflow of the molten aluminum.

[0141] The holding furnace includes a thermocouple device 8, which is distributed and installed in the holding chamber 13 and the aluminum tapping chamber 14 to detect the temperature of the molten aluminum.

[0142] Specifically, the thermocouple device 8 can detect the temperature of the molten aluminum in real time, and control the electric heater 4 located at the holding chamber 13 through a program, adjust the heating temperature through the electric heater 4, and further make the temperature of the molten aluminum reach the standard; meanwhile, the thermocouple device 8 is also distributed at the aluminum taking chamber 14, so that the molten aluminum in the aluminum taking chamber 14 can continuously be in a state that meets the standard for subsequent use; among them, the laser detection device 5 located at the holding chamber 13 can detect the height of the molten aluminum in real time, effectively avoid the overflow of the molten aluminum, and prevent the dry burning and damage of the electric heater 4 when monitoring the low liquid level of the molten aluminum.

[0143] A T-shaped baffle 9 is arranged between the aluminum injection chamber 11, the degassing chamber 12, and the holding chamber 13;

[0144] The T-shaped baffle 9 between the aluminum injection chamber 11 and the degassing chamber 12 forms a first channel 91;

[0145] The T-shaped baffle 9 between the degassing chamber 12 and the holding chamber 13 forms a second channel 92;

[0146] The T-shaped baffle 9 between the aluminum injection chamber 11 and the holding chamber 13 forms a third channel 93;

[0147] The molten aluminum circulates along the first channel 91, the second channel 92, and the third channel 93.

[0148] Specifically, installing the T-shaped baffle 9 between the aluminum injection chamber 11, the degassing chamber 12, and the holding chamber 13 can control the flow rate of the molten aluminum and perform zoning processing. At the same time, the aluminum injection chamber 11, the degassing chamber 12, and the holding chamber 13 can communicate with each other. The short side of the T-shaped baffle 9 is located between the aluminum injection chamber 11 and the degassing chamber 12, and the short side does not completely reach the inner wall of the furnace body 1, so that a first channel 91 is formed between the aluminum injection chamber 11 and the degassing chamber 12, and the molten aluminum flows through the first channel 91 between the aluminum injection chamber 11 and the degassing chamber 12. The two ends of the long side of the T-shaped baffle 9 extend to the inner wall of the furnace body 1, and a second channel 92 and a third channel 93 are respectively opened below the two ends of the long side. The second channel 92 is located between the degassing chamber 12 and the holding chamber 13, and the third channel 93 is located between the aluminum injection chamber 11 and the holding chamber 13. Through the first channel 91, the second channel 92, and the third channel 93, the aluminum injection chamber 11, the degassing chamber 12, and the holding chamber 13 communicate with each other, and the molten aluminum circulates in each group of channels.

[0149] The usage steps of the in-line holding furnace applicable to an automatic production line include:

[0150] Step 1: Turn on the device through an external controller and adjust the processing parameters;

[0151] Step 2: Inject the molten aluminum into the aluminum injection chamber 11;

[0152] Step 3: The molten aluminum in the aluminum injection chamber 11 enters the degassing chamber 12 through the first channel 91, and the molten aluminum is stirred and degassed by the degassing circulation pump 3 and then transported to the next chamber;

[0153] Step 4: The molten aluminum in the degassing chamber 12 enters the holding chamber 13 through the second channel 92, and the molten aluminum is heated and raised in temperature by the electric heater 4. At the same time, the laser detection device 5 and the thermocouple device 8 are respectively started to monitor whether the height and temperature of the molten aluminum meet the standards;

[0154] Step 5: Open the slag cleaning port 21 to remove the aluminum slag on the surface of the molten aluminum in the holding chamber 13;

[0155] Step 6: The molten aluminum after removing the aluminum slag is filtered by the first part of the filter plate 71 and then flows back to the aluminum injection chamber 11, and the molten aluminum between the aluminum injection chamber 11, the degassing chamber 12, and the holding chamber 13 forms a circulating flow;

[0156] Step 7: The molten aluminum in the holding chamber 13 is refined through the above steps and then removes impurities through the second part of the filter plate 72, and the molten aluminum after removing impurities enters the liquid lifting chamber 15;

[0157] Step 8: The aluminum extraction pump 61 extracts the molten aluminum in the liquid lifting chamber 15 and flows it into the aluminum taking chamber 14 through the aluminum extraction tank 62;

[0158] Step 9: The molten aluminum in the aluminum taking chamber 14 is heated and raised in temperature by the electric heater 4. At the same time, the laser detection device 5 and the thermocouple device 8 monitor whether the height and temperature of the molten aluminum meet the standards, and the molten aluminum that meets the standards is maintained at the temperature required by the process for use by the die casting machine;

[0159] Step 10: When the liquid level of the molten aluminum in the aluminum taking chamber 14 is too high, it can overflow back to the holding chamber 13 through the overflow port 141 to prevent the molten aluminum from overflowing.

[0160] Only some exemplary embodiments of the present invention are described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. The in-line holding furnace applicable to the automatic production line is controlled by an external controller, and is characterized in that Comprising: A furnace body (1), which is supported and installed by a bracket; Above the furnace body (1), a furnace cover (2) is distributed; Inside the furnace body (1), an aluminum injection chamber (11), a degassing chamber (12), a holding chamber (13), and a aluminum taking chamber (14) located downstream of the process of the holding chamber (13) are formed at intervals; The aluminum injection chamber (11), the degassing chamber (12), and the holding chamber (13) are interconnected; A degassing circulation pump (3), which is installed in the degassing chamber (12); The molten aluminum is injected through the aluminum injection chamber (11) and enters the degassing chamber (12), and the molten aluminum in the degassing chamber (12) is degassed by the degassing circulation pump (3) and circulated to the holding chamber (13); At the furnace cover (2) above the holding chamber (13), two slag cleaning openings (21) for removing aluminum slag are provided; Electric heaters (4), which are distributed in the holding chamber (13) and the aluminum taking chamber (14) to heat the molten aluminum to maintain the temperature of the molten aluminum; Laser detection devices (5), which are distributed in the holding chamber (13) and the aluminum taking chamber (14) to monitor the height of the molten aluminum in real time; An aluminum discharging pump (61), which is installed between the holding chamber (13) and the aluminum taking chamber (14); The molten aluminum for removing aluminum slag flows back to the aluminum injection chamber (11) to form a molten aluminum circulation or is pumped to the aluminum taking chamber (14) by the aluminum discharging pump (61).

2. The in-line heat-insulating furnace applicable to an automatic production line according to claim 1, wherein The degassing circulation pump (3) includes: A first mounting frame (31), which is fixedly installed on the furnace cover (2) above the degassing chamber (12); A first motor (32), which is fixedly installed on the first mounting frame (31); A first rotor (33), which is drivenly connected to the first rotor (33) by the first motor (32); A ceramic outer lining (34), which is coated on the outer periphery of the lower side of the first rotor (33); A first impeller (35), which is connected to the bottom of the first rotor (33); Through holes (36) are respectively formed at the centers of the first rotor (33) and the first impeller (35); It further includes: A gas source controller (37), which is installed on the first mounting frame (31); The gas source controller (37) controls the inert gas to sequentially pass through the through holes (36) of the first rotor (33) and the first impeller (35) and enter the molten aluminum along the bottom of the first impeller (35); A spiral preform (38), which is installed at the bottom of the degassing chamber (12) and located outside the first impeller (35); The spiral preform (38) is spiral and forms a side opening along its trajectory; A cover plate (39) is installed at the upper opening of the spiral preform (38); The first motor (32) is adjusted by a frequency converter and drives the first rotor (33) to rotate, causing the first impeller (35) to rotate synchronously to achieve degassing of the molten aluminum and flowing out to the holding chamber (13) through the side opening of the spiral preform (38).

3. The in-line heat-insulating furnace applicable to an automatic production line according to claim 1, wherein Comprising: A liquid lifting chamber (15) is formed between the holding chamber (13) and the aluminum taking chamber (14); An aluminum discharging trough (62) is installed at the upper opening of the liquid extraction chamber (15); The opening end of the aluminum discharging trough (62) extends to one side above the aluminum taking chamber (14); A part of the aluminum discharging pump (61) is located in the aluminum discharging trough (62); The aluminum discharging pump (61) extracts molten aluminum and transports it to the aluminum taking chamber (14) through the aluminum discharging trough (62).

4. The machine-side holding furnace suitable for an automatic production line according to claim 3, characterized in that: It includes: A first filter plate part (71) and a second filter plate part (72); The first filter plate part (71) is installed between the aluminum injection chamber (11) and the holding chamber (13); The molten aluminum in the holding chamber (13) is filtered by the first filter plate part (71) and flows back into the aluminum injection chamber (11); The second filter plate part (72) is installed between the holding chamber (13) and the liquid extraction chamber (15); The molten aluminum in the holding chamber (13) is filtered by the second filter plate part (72) and enters the liquid extraction chamber (15), and the molten aluminum in the liquid extraction chamber (15) is extracted by the aluminum discharging pump (61) and flows into the aluminum taking chamber (14) along the aluminum discharging trough (62).

5. The in-line holding furnace applicable to an automatic production line according to claim 4, characterized in that, The aluminum discharging pump (61) includes: A second mounting frame part (611), and the second mounting frame part (611) is installed on the furnace cover (2) above the liquid extraction chamber (15); A second motor part (612), and the second motor part (612) is fixedly installed on the second mounting frame part (611); A second rotor part (613), and a bearing (614) is installed on the second rotor part (613); A coupling (615), and the second motor part (612) is drivingly connected to the second rotor part (613) through the coupling (615); A lifting pipe (616), and the lifting pipe (616) is located at the outer periphery of the lower side of the second rotor part (613); The upper opening end of the lifting pipe (616) is communicated with the inside of the aluminum discharging trough (62); A second impeller part (617), and the second impeller part (617) is connected to the bottom of the second rotor part (613); The second motor part (612) is adjusted by a frequency converter and drives the second rotor part (613) to rotate, causing the second impeller part (617) to rotate synchronously to push the molten aluminum to rise into the lifting pipe (616) and flow into the aluminum taking chamber (14) through the aluminum discharging trough (62).

6. The in-line holding furnace applicable to an automatic production line according to claim 5, wherein: An overflow port (141) is provided on one side of the aluminum taking chamber (14); The overflow port (141) is communicated between the holding chamber (13) and the aluminum taking chamber (14); When the liquid level of the molten aluminum in the aluminum taking chamber (14) is too high, it overflows back into the holding chamber (13) through the overflow port (141).

7. The in-line heat-insulating furnace applicable to an automatic production line according to claim 6, wherein It includes: A thermocouple device (8), and the thermocouple device (8) is distributed and installed in the holding chamber (13) and the aluminum taking chamber (14) to detect the temperature of the molten aluminum.

8. The in-line holding furnace applicable to an automatic production line according to claim 7, wherein: A T-shaped baffle (9) is provided between the aluminum injection chamber (11), the degassing chamber (12), and the holding chamber (13); The T-shaped baffle (9) between the aluminum injection chamber (11) and the degassing chamber (12) forms a first channel (91); The T-shaped baffle (9) located between the degassing chamber (12) and the holding chamber (13) forms a second channel (92); The T-shaped baffle (9) located between the aluminum injection chamber (11) and the holding chamber (13) forms a third channel (93); The molten aluminum circulates along the first channel (91), the second channel (92), and the third channel (93).

Images