Aluminum ingot continuous manufacturing process and aluminum ingot continuous manufacturing production line

Abstract

The invention discloses an aluminum ingot continuous manufacturing process which comprises the four steps of casting, water cooling, demolding and mold re-casting, and further discloses a manufacturing production line based on the manufacturing process, the manufacturing production line comprises a casting smelting furnace, a support, a conveying mechanism and a water cooling mechanism, and the casting smelting furnace is located on the rear side of the left end of the support; the conveying mechanism and the water cooling mechanism are both arranged on the support, a plurality of molds are arranged on the conveying mechanism in the left-right direction at equal intervals, the water cooling mechanism is located below the moving path of the molds, and the molds are moved into the water cooling mechanism through the conveying mechanism. The water cooling mechanism is used for accelerating cooling and solidification of molten aluminum after casting, so that the continuous manufacturing efficiency of aluminum ingots is improved, and meanwhile, the length of a production line can be reduced.

Description

Technical Field

[0001] The invention relates to the field of metal smelting, and in particular to a continuous manufacturing process for aluminum ingots and a manufacturing production line thereof. Background Art

[0002] In the aluminum industry, the production of aluminum ingots is a crucial link, and its quality and production efficiency directly affect the quality and cost of downstream products. At present, a widely used aluminum ingot manufacturing process in the market is mainly to intermittently inject molten aluminum into the mold, and the aluminum liquid moves with the conveying device while cooling naturally, and then take out the aluminum ingot after solidification. However, in this casting method, the natural cooling speed of the aluminum liquid is slow, which affects the efficiency of batch manufacturing of aluminum ingots. At the same time, in order to ensure that the aluminum liquid has enough time to completely solidify, the conveying device is usually long, resulting in a large footprint of the production line. Summary of the invention

[0003] The object of the present invention is to provide a continuous manufacturing process for aluminum ingots and a manufacturing production line thereof, which improves the efficiency of continuous manufacturing of aluminum ingots by using a water cooling mechanism to accelerate the cooling and solidification of aluminum liquid after casting, while being able to reduce the length of the production line.

[0004] The technical solution adopted by the present invention to solve the above problems is:

[0005] A continuous manufacturing process for aluminum ingots comprises the following steps:

[0006] Step S1: Multiple molds are circulated and continuously passed through the casting station, and molten aluminum is injected into each mold in turn;

[0007] Step S2: The mold injected with aluminum liquid moves away from the casting station and enters the water cooling station in turn. The mold is partially immersed in cooling water so that the aluminum liquid can be cooled quickly. At the same time, the cooling water circulates to take away the heat.

[0008] Step S3: the mold moves from the water cooling station to the demoulding station for demoulding;

[0009] Step S4: the demoulding mold is moved back to the casting station for casting.

[0010] A manufacturing production line based on the above-mentioned aluminum ingot continuous manufacturing process includes a casting furnace, a bracket, a conveying mechanism and a water cooling mechanism. The casting furnace is located at the rear side of the left end of the bracket, and the conveying mechanism and the water cooling mechanism are both arranged on the bracket. A plurality of molds are arranged on the conveying mechanism at equal intervals in the left and right directions. The water cooling mechanism is located below the moving path of the mold and the mold is moved into the water cooling mechanism through the conveying mechanism.

[0011] In the above technical scheme, preferably, the conveying mechanism includes a toothed wheel and a synchronous belt, and four toothed wheels are provided and are rotatably arranged on the front and rear sides of the left end of the bracket and the front and rear sides of the right section respectively. The two toothed wheels located at the left end of the bracket are coaxially fixed, and the two toothed wheels located at the right end of the bracket are coaxially fixed and driven to rotate by a driving motor. Two synchronous belts are provided and are respectively sleeved on the two toothed wheels located on the front side and the two toothed wheels located on the rear side. The front and rear ends of the mold are rotatably arranged on the two synchronous belts respectively. A number of guide wheels are provided on the bracket, and the synchronous belt is formed by winding around the guide wheels to form a downward recessed section, and the recessed section is located in the water cooling mechanism.

[0012] In the above technical solution, preferably, the water cooling mechanism includes a water tank and a radiator, the water tank and the radiator are both fixed in the bracket, the recessed section is located in the water tank, the radiator is located below the water tank and a water inlet pipe, a water outlet pipe and a water pump are provided in the radiator, both ends of the water inlet pipe and both ends of the water outlet pipe are respectively connected to the water tank and the water pump, and a fan is provided at the upper end of the radiator.

[0013] In the above technical solution, preferably, the upper end of the water inlet pipe is connected to a water absorption plate, the water absorption plate is horizontally arranged and close to the lower side of the recessed section, the water absorption plate is a hollow structure and a plurality of through holes are opened on the upper side of the water absorption plate, the internal cavity of the water absorption plate is connected to the through holes and the water inlet pipe, and the upper end of the water outlet pipe is located at the bottom end of the sink.

[0014] In the above technical solution, preferably, a plurality of bearing seats are fixed on the synchronous belt at equal intervals, and the front and rear ends of the mold are fixed in the inner rings of the bearing shafts on the two synchronous belts.

[0015] In the above technical solution, preferably, a circular arc-shaped baffle is fixed to the right end of the bracket, and the baffle is provided with two arc segments respectively close to the right ends of the two synchronous belts, and the front and rear ends of the mold are against the inner side of the baffle.

[0016] In the above technical solution, preferably, a counterweight block is fixed to the bottom end of the mold.

[0017] Compared with the prior art, the present invention has the following advantages and effects:

[0018] The present invention continuously moves a plurality of molds from left to right through a conveying mechanism, so that the molds pass through a casting station in turn, and aluminum liquid is injected into the molds from a casting furnace in the station. Then the molds move rightward to a water cooling station, and the aluminum liquid in the molds is rapidly cooled and solidified into aluminum ingots by a water cooling mechanism in the station. After the molds leave the water cooling station, they move to a demolding station for demolding, and the demolded molds move back to the casting station, thereby realizing continuous manufacturing of aluminum ingots. Meanwhile, the cooling and solidification of aluminum liquid is accelerated by the water cooling mechanism, thereby improving the efficiency of continuous manufacturing of aluminum ingots, and reducing the left and right lengths of the conveying mechanism, thereby reducing the floor space occupied by the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a manufacturing production line of a continuous manufacturing process for aluminum ingots according to an embodiment of the present invention.

[0020] Figure 2 yes Figure 1 Sectional view of the middle structure.

[0021] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0022] Figure 4 yes Figure 2 Enlarged view of point B in the middle.

[0023] Figure 5 yes Figure 4 Enlarged view of point C in the middle.

[0024] Among them, there are a casting furnace 1, a bracket 2, a conveying mechanism 3, a toothed wheel 31, a synchronous belt 32, a driving motor 33, a guide wheel 34, a recessed section 35, a water cooling mechanism 4, a water tank 41, a radiator 42, a water inlet pipe 43, a water outlet pipe 44, a water pump 45, a fan 46, a water absorption plate 47, a through hole 48, a mold 5, a bearing seat 51, a counterweight block 52, and a baffle 6. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and by way of examples. The following examples are intended to explain the present invention but the present invention is not limited to the following examples.

[0026] The present embodiment provides a continuous manufacturing process for aluminum ingots, comprising the following steps:

[0027] Step S1: multiple molds 5 are circulated and continuously passed through the casting station, and molten aluminum is injected into each mold 5 in turn;

[0028] Step S2: the mold 5 injected with aluminum liquid moves away from the casting station and enters the water cooling station in turn, and the mold 5 is partially immersed in cooling water so that the aluminum liquid can be cooled quickly, and the cooling water circulates to take away the heat;

[0029] Step S3: the mold 5 moves from the water cooling station to the demoulding station for demoulding;

[0030] Step S4: the demoulded mold 5 is moved back to the casting station for casting.

[0031] According to the present invention, after a plurality of molds 5 continuously pass through a casting station and molten aluminum is injected into the mold 5 through the casting station, the mold 5 is moved to a water cooling station and a portion of the mold 5 is cooled in cooling water, thereby accelerating the cooling of the aluminum liquid into aluminum ingots and improving the efficiency of continuous manufacturing of aluminum ingots. At the same time, the length of the conveying device can be reduced, thereby reducing the floor space of the production line, which is conducive to the rational planning of the workshop area.

[0032] See also Figure 1-Figure 5 The manufacturing production line based on the above-mentioned aluminum ingot continuous manufacturing process includes a casting furnace 1, a bracket 2, a conveying mechanism 3 and a water cooling mechanism 4. The casting furnace 1 is located at the rear side of the left end of the bracket 2. The conveying mechanism 3 and the water cooling mechanism 4 are both arranged on the bracket 2. A plurality of molds 5 are arranged on the conveying mechanism 3 at equal intervals in the left and right directions. The water cooling mechanism 4 is located below the moving path of the mold 5 and the mold 5 is moved into the water cooling mechanism 4 through the conveying mechanism 3.

[0033] The present invention moves the mold 5 from left to right through the conveying mechanism 3, so that the mold 5 passes through the position of the casting furnace 1 in turn, and the casting furnace 1 injects aluminum liquid into the mold 5, and then the mold 5 moves to the right into the water cooling mechanism 4, and the aluminum liquid in the mold 5 is quickly cooled and solidified into an aluminum ingot by the water cooling mechanism 4. After the mold 5 leaves the water cooling mechanism 4, it moves to the right side of the conveying mechanism 3 for demoulding, thereby realizing continuous manufacturing of aluminum ingots. Therefore, the present invention realizes continuous manufacturing of aluminum ingots by continuously moving multiple molds 5 through the conveying mechanism 3 to perform the processes of casting in the casting furnace 1, cooling by the water cooling mechanism 4, and demoulding in turn, and at the same time, the cooling and solidification of the aluminum liquid is accelerated by the water cooling mechanism 4, thereby improving the efficiency of continuous manufacturing of aluminum ingots, and reducing the left and right lengths of the conveying mechanism 3, thereby reducing the floor space occupied by the present invention.

[0034] See also Figure 1-Figure 3The conveying mechanism 3 includes a toothed wheel 31 and a synchronous belt 32. Four toothed wheels 31 are provided and are rotatably arranged on the front and rear sides of the left end and the front and rear sides of the right section of the bracket 2, respectively. The two toothed wheels 31 located at the left end of the bracket 2 are coaxially fixed, and the two toothed wheels 31 located at the right end of the bracket 2 are coaxially fixed and driven to rotate by a driving motor 33. Two synchronous belts 32 are provided and are respectively sleeved on the two toothed wheels 31 located on the front side and the two toothed wheels 31 located on the rear side. The front and rear ends of the mold 5 are rotatably arranged on the two synchronous belts 32, and a plurality of guide wheels 34 are provided on the bracket 2. The synchronous belt 32 is formed by winding around the guide wheels 34 to form a downward recessed section 35, and the recessed section 35 is located in the water cooling mechanism 4.

[0035] The toothed wheel 31 is driven to rotate by the driving motor 33, and the toothed wheel 31 drives the synchronous belt 32 to rotate, thereby driving the mold 5 to move following the synchronous belt 32, wherein the liquid outlet and the recessed section 35 of the casting furnace 1 are both located in the upper half of the synchronous belt 32. After the mold 5 completes casting, cooling and demolding in the upper half of the synchronous belt 32, it moves to the left end of the synchronous belt 32 through the lower half of the synchronous belt 32, thereby re-passing under the casting furnace 1 to achieve casting. Therefore, the present invention realizes automatic recycling of the mold 5 through the structure of the synchronous belt 32 and the toothed wheel 31, thereby improving the continuity and automation of aluminum ingot manufacturing.

[0036] The middle position of the upper half of the synchronous belt 32 is wound around the guide wheel 34 to form a downward concave section 35. The mold 5 can move downward when following the synchronous belt 32 to move to the position of the concave section 35. The front and rear ends of the mold 5 are rotatably arranged on the two synchronous belts 32, which ensures that the mold 5 can always maintain a horizontal state when moving up and down, reducing the risk of aluminum liquid leakage in the mold 5. Since the concave section 35 is located in the water cooling mechanism 4, the synchronous belt 32 can drive the mold 5 to move downward into the water cooling mechanism 4 for rapid cooling, and under the continuous movement of the synchronous belt 32, the mold 5 can automatically move out of the water cooling mechanism 4 for the next demoulding process. The present invention forms a concave section 35 on the synchronous belt 32 through the guide wheel 34, and can cool the mold 5 through the water cooling mechanism 4 without hindering the movement of the synchronous belt 32, thereby ensuring the normal function of the present invention.

[0037] See 1. Figure 2 A circular arc-shaped baffle 6 is fixed to the right end of the bracket 2. The baffle 6 is provided with two arc sections respectively close to the right ends of the two synchronous belts 32. The front and rear ends of the mold 5 are against the inner side of the baffle 6.

[0038] When the mold 5 is moved between the synchronous belt 32 and the baffle 6 under the action of the synchronous belt 32, the baffle 6 prevents the mold 5 from rotating under the action of its own weight, so that when the mold 5 moves following the synchronous belt 32, the opening of the mold 5 gradually changes from vertically upward to inclined downward, so that the aluminum ingot in the mold 5 can be ejected from the mold 5 under the action of its own gravity. Before demolding, the aluminum ingot can be knocked manually or with an electric hammer to loosen the fitting surface between the aluminum ingot and the mold 5, ensuring that the aluminum ingot can be demolded smoothly. A collection container is placed below the right end of the synchronous belt 32 to collect the demolded aluminum ingots in batches.

[0039] See also Figure 3 A counterweight block 52 is fixed to the bottom end of the mold 5.

[0040] The counterweight block 52 can lower the center of gravity of the mold 5 , so that the mold 5 can maintain a horizontal state under the action of its own gravity, thereby reducing the risk of aluminum liquid leaking out of the mold 5 .

[0041] See also Figure 3 , Figure 4 A plurality of bearing seats 51 are fixed on the synchronous belt 32 at equal intervals, and the front and rear ends of the mold 5 are fixed in the inner rings of the bearing shafts on the two synchronous belts 32 .

[0042] The bearing seat 51 reduces the friction resistance of the front and rear ends of the mold 5 when rotating on the synchronous belt 32, ensuring that the mold 5 can always maintain a horizontal state under the action of its own gravity, reducing the risk of aluminum liquid leaking out of the mold 5.

[0043] See also Figure 4 The water cooling mechanism 4 includes a water tank 41 and a radiator 42, both of which are fixed in the bracket 2, the recessed section 35 is located in the water tank 41, the radiator 42 is located below the water tank 41, and a water inlet pipe 43, a water outlet pipe 44 and a water pump 45 are arranged in the radiator 42, both ends of the water inlet pipe 43 and both ends of the water outlet pipe 44 are respectively connected to the water tank 41 and the water pump 45, and a fan 46 is arranged at the upper end of the radiator 42.

[0044] The water tank 41 is used to contain cooling water. When the mold 5 moves to the recessed section 35 and is located in the water tank 41, most of the mold 5 can be immersed in the cooling water, and the cooling water wraps the mold 5 to achieve uniform cooling of the aluminum liquid. At the same time, the cooling water in the water tank 41 circulates in the water tank 41, the water inlet pipe 43 and the water outlet pipe 44 through the water pump 45. The cooling water with a higher temperature is sucked into the radiator 42 through the water inlet pipe 43, and the water inlet pipe 43 is cooled by the fan 46. The cooled cooling water then re-enters the water tank 41 through the water pump 45 and the water outlet pipe 44 for use. Therefore, in the present invention, the cooling water is cooled by the water pump 45 and the fan 46, so that the cooling water in the water tank 41 is kept at a relatively low temperature, which can increase the temperature difference between the cooling water and the mold 5, thereby increasing the heat exchange rate between the cooling water and the mold 5, and increasing the cooling speed of the aluminum liquid.

[0045] See also Figure 4 , Figure 5 The upper end of the water inlet pipe 43 is connected to a water absorption plate 47, which is horizontally arranged and close to the lower side of the recessed section 35. The water absorption plate 47 is a hollow structure and a plurality of through holes 48 are opened on the upper side of the water absorption plate 47. The internal cavity of the water absorption plate 47 is connected to the through holes 48 and the water inlet pipe 43. The upper end of the water outlet pipe 44 is located at the bottom end of the water tank 41.

[0046] When the mold 4 is immersed in the cooling water, the upper layer of the cooling water contacts the mold 4, resulting in a higher temperature in the upper layer of the cooling water and a lower temperature in the lower layer of the cooling water. Therefore, in the present invention, a water absorption plate 47 is provided in the upper layer of the cooling water. When water is absorbed by the water pump 45 and the water inlet pipe 43, the cooling water with a higher temperature can be sucked in through the through hole 48 on the upper side of the water absorption plate 47 and transported to the radiator 42 through the water inlet pipe 43 for cooling. The cooled cooling water is then discharged to the lower layer of the cooling water through the water outlet pipe 44. When the cooling water with a higher temperature in the upper layer is sucked away, the cooling water with a lower temperature in the lower layer can rise and continue to exchange heat with the mold 4. Therefore, in the present invention, the cooling water with a higher temperature is sucked away in time by the water absorption plate 47, so that the mold 4 is always in contact with the cooling water with a lower temperature, thereby increasing the heat exchange rate between the cooling water and the mold 5, and increasing the cooling speed of the aluminum liquid.

[0047] The above contents described in this specification are merely examples of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, as long as they do not deviate from the contents of the present specification or exceed the scope defined by the claims, they shall all fall within the protection scope of the present invention.

Claims

1. A continuous manufacturing process for aluminum ingots, characterized in that: The following steps are included: Step S1: Multiple molds are circulated and continuously passed through the casting station, and molten aluminum is injected into each mold in turn; Step S2: The mold injected with aluminum liquid moves away from the casting station and enters the water cooling station in turn. The mold is partially immersed in cooling water so that the aluminum liquid can be cooled quickly. At the same time, the cooling water circulates to take away the heat. Step S3: the mold moves from the water cooling station to the demoulding station for demoulding; Step S4: the demoulding mold is moved back to the casting station for casting.

2. A manufacturing production line based on the aluminum ingot continuous manufacturing process according to claim 1, characterized in that: It includes a casting furnace, a bracket, a conveying mechanism and a water cooling mechanism. The casting furnace is located at the rear side of the left end of the bracket. The conveying mechanism and the water cooling mechanism are both arranged on the bracket. A plurality of molds are arranged on the conveying mechanism at equal intervals along the left and right directions. The water cooling mechanism is located below the moving path of the mold and the mold is moved into the water cooling mechanism through the conveying mechanism.

3. The manufacturing production line of the aluminum ingot continuous manufacturing process according to claim 2 is characterized in that: The conveying mechanism includes toothed wheels and synchronous belts. There are four toothed wheels and they are rotatably arranged on the front and rear sides of the left end of the bracket and the front and rear sides of the right section respectively. The two toothed wheels at the left end of the bracket are coaxially fixed, and the two toothed wheels at the right end of the bracket are coaxially fixed and driven to rotate by a driving motor. There are two synchronous belts and they are respectively sleeved on the two toothed wheels at the front side and the two toothed wheels at the rear side. The front and rear ends of the mold are rotatably arranged on the two synchronous belts respectively. A number of guide wheels are arranged on the bracket. The synchronous belt is wound around the guide wheels to form a downward concave section, and the concave section is located in the water cooling mechanism.

4. The manufacturing production line of the aluminum ingot continuous manufacturing process according to claim 2 is characterized in that: The water cooling mechanism includes a water tank and a radiator, both of which are fixed in the bracket, the recessed section is located in the water tank, the radiator is located below the water tank and is provided with a water inlet pipe, a water outlet pipe and a water pump, both ends of the water inlet pipe and the two ends of the water outlet pipe are respectively connected to the water tank and the water pump, and a fan is provided at the upper end of the radiator.

5. The manufacturing production line of the aluminum ingot continuous manufacturing process according to claim 4 is characterized in that: The upper end of the water inlet pipe is connected to a water absorption plate, which is horizontally arranged and close to the lower side of the recessed section. The water absorption plate is hollow and has a plurality of through holes on the upper side of the water absorption plate. The internal cavity of the water absorption plate is connected to the through holes and the water inlet pipe. The upper end of the water outlet pipe is located at the bottom end of the sink.

6. The manufacturing production line of the aluminum ingot continuous manufacturing process according to claim 3 is characterized in that: A plurality of bearing seats are fixed on the synchronous belt at equal intervals, and the front and rear ends of the mold are fixed in the inner rings of the bearing shafts on the two synchronous belts.

7. The manufacturing production line of the aluminum ingot continuous manufacturing process according to claim 2 is characterized in that: The right end of the bracket is fixed with an arc-shaped baffle, which is provided with two arc sections respectively close to the right ends of the two synchronous belts, and the front and rear ends of the mold are against the inner side of the baffle.

8. The manufacturing production line of the aluminum ingot continuous manufacturing process according to claim 2 is characterized in that: A counterweight block is fixed at the bottom end of the mold.

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