Demoulding method for manufacturing energy-saving pot

Abstract

The invention relates to the technical field of energy-saving pots, in particular to a demolding method for manufacturing an energy-saving pot, which comprises the following steps: S1, cleaning a mold and carrying out film coating treatment; s2, a preheating device is used for conducting preheating treatment on the cleaned and film-coated mold, then molten iron in a molten state is poured into the mold, and a die-casting device is used for conducting die-casting on a casting; s3, a cooling device is used for assisting in cooling and curing of the casting; and S4, a demolding device is used for assisting the formed casting to be subjected to demolding treatment. When a casting is demoulded, forward pulse or reverse pulse is filled into an electromagnetic column, so that a magnetic attraction or repulsion effect can be achieved between the electromagnetic column and the magnetic column, a jacking assembly can jack out the casting in a lower mould in a repulsion state, and meanwhile, buoyancy generated between a buoyancy plate and cooling liquid in a die-casting machine body can jack out the casting in the lower mould. And power can be provided for the jacking assembly by virtue of the magnetic change of the magnetic plate, so that the jacking assembly can quickly jack out and demould the casting.

Description

Technical Field

[0001] The present invention relates to the technical field of energy-saving pots, and specifically to a demoulding method for manufacturing energy-saving pots. Background Art

[0002] Energy-saving pots are one of the practical household kitchen utensils in current life. Compared with ordinary pots, they have the characteristics of low energy consumption and high efficiency, and belong to the cast iron energy-saving pots formed in one step. However, the quality of the energy-saving pots manufactured is closely related to the demoulding process, and the preheating and cooling of the mold are the keys to the quality and efficiency after the casting is demoulded.

[0003] However, the traditional demoulding method for the cast iron energy-saving pots formed in one step usually divides into opening the demoulding mechanism after the casting is cooled, and separating the upper and lower parts or the side castings of the mold according to the design structure of the mold, so as to release the casting. However, in the process of demoulding the casting, the traditional demoulding method for the casting usually uses tools or transmission mechanisms to take out the casting from the mold slowly, and the operation is rather cumbersome. Summary of the Invention

[0004] The purpose of the present invention is to make up for the deficiencies of the prior art, and provides a demoulding method for manufacturing energy-saving pots. This solution can not only preheat the mold in advance, but also quickly cool the casting during the die-casting process, and can quickly take out the casting from the mold through the mutual linkage of the cooling device and the demoulding mechanism, with simple structure, convenient operation and fast demoulding efficiency.

[0005] To solve the above problems, the present invention provides the following technical solution: A demoulding method for manufacturing energy-saving pots, including the following steps: S1: Clean the mold and perform a coating treatment to ensure the cleanliness and smoothness of the mold and prevent the molten iron from directly contacting the mold, resulting in deformation and damage; S2: Use a preheating device to preheat the mold that has been cleaned and coated, then pour the molten iron in a molten state into the mold, and use a die-casting device to perform die-casting on the casting; S3: Use a cooling device to assist the cooling and solidification of the casting to accelerate the cooling process of the casting; S4: Use a demoulding device to assist the demoulding of the formed casting to improve the demoulding efficiency and quality; S5: Check, clean, trim and polish the demoulded casting to ensure that the product meets the relevant standards and requirements.

[0006] Further, the demolding device includes a lower mold disposed inside the die-casting machine body, and an upper mold facing the upper side of the lower mold and performing die-casting on the casting. A demolding mechanism is disposed inside the die-casting machine body. The demolding mechanism includes an ejection assembly for ejecting and demolding the casting, and a driving assembly connected to the ejection assembly; the demolding mechanism further includes a reset assembly connected to the lower mold.

[0007] The beneficial effect of adopting the above further solution is that through the mutual cooperation of the ejection assembly and the driving assembly, it is convenient to make the ejection assembly eject the casting die-cast in the lower mold, and the driving reaction in the driving assembly is rapid, and the casting can be ejected in the first time when the upper mold is separated after die-casting, greatly saving the time of the casting demolding process.

[0008] Further, the ejection assembly includes a sealed lifting rod slidably matched with a reserved hole in the inner bottom wall of the lower mold, and a sealed lifting disc and a retaining ring respectively fixedly connected to the upper end and the outer surface of the sealed lifting rod. The outer surface of the sealed lifting disc is adapted to the reserved hole in the inner bottom wall of the lower mold, and a buoyancy plate is fixedly connected to the lower end of the sealed lifting rod.

[0009] The beneficial effect of adopting the above further solution is that by setting the ejection assembly, the size of the sealed lifting disc closely fits the reserved groove opened in the inner bottom wall of the lower mold, and the sealed lifting rod closely fits the reserved hole in the inner bottom wall of the lower mold to prevent the leakage of molten iron or coolant. The sealed lifting disc is provided to lift the casting after die-casting, and the retaining ring can be used for limiting and blocking after lifting, so as to control the lifting height and facilitate the taking out of the casting.

[0010] Further, the inside of the die-casting machine body is filled with coolant, and the water level of the coolant is between the lower mold and the retaining ring. The coolant is used for cooling the casting in the lower mold and generating buoyancy to assist in pushing the sealed lifting disc to lift.

[0011] The beneficial effect of adopting the above further solution is that by setting the coolant, it is convenient to cool the descending lower mold, thereby assisting the cooling efficiency of the casting in the lower mold and reducing the waiting time required for the casting to cool.

[0012] Further, the driving assembly includes a magnetic column fixed to the bottom surface of the buoyancy plate, and an electromagnetic column installed on the inner bottom wall of the die-casting machine body and facing the lower side of the magnetic column. The driving assembly further includes a magnetoelectric converter fixed to the bottom surface of the die-casting machine body and connected to the connection end of the electromagnetic column.

[0013] The beneficial effect of adopting the above further solution is that by setting the driving component, the positive pulse introduced into the electromagnetic column through the magnetoelectric converter can enable the electromagnetic column to generate magnetic attraction to the magnetic column, and the magnetic attraction force is less than the reset force of the reset component, and can only keep the jacking component in close contact with the lower die all the time, avoiding the sudden jacking of the jacking component from affecting the die-casting forming of the casting.

[0014] Further, the driving component further includes a magnetic plate located outside the electromagnetic column, and a telescopic rod installed on the inner wall of the die-casting machine body and connected to the magnetic plate. The driving component further includes a transmission frame hinged to the buoyancy plate and hinged to the outer cylinder of the telescopic rod.

[0015] The beneficial effect of adopting the above further solution is that during the movement of the buoyancy plate, it can pull the telescopic rod to expand and contract through the transmission frame, and the expansion and contraction of the telescopic rod can drive the magnetic plate to move. During the movement, the magnetism between the magnetic plate and the electromagnetic column will change, so that when a positive pulse or a negative pulse is introduced into the electromagnetic column, it can push the buoyancy plate to move up and down, thereby providing power for the jacking component, and thus can improve the efficiency of the jacking component to eject the casting from the lower die for demolding.

[0016] Further, the reset component includes a limiting groove opened on the upper surface of the die-casting machine body, and a connecting rod connected to the limiting groove and slidably matched with the convex plate of the lower die. A telescopic spring is sleeved on the outer surface of the connecting rod, and the telescopic spring is used for resetting the lower die after die-casting and cooling.

[0017] The beneficial effect of adopting the above further solution is that by setting the reset component, the reset component can facilitate the reset of the lower die, enable the lower die to move downward in the die-casting machine body through the telescopic spring when being pressed down, and enable the lower die to move out of the preheating range of the preheating device during the downward movement, so that the lower die can enter the cooling area to cool the casting.

[0018] Further, the demoulding mechanism further includes a rotating component connected to the buoyancy plate. The rotating component includes a stirring blade for driving the coolant to rotate. The rotating component further includes a fixing ring fixed on the inner bottom wall of the die-casting machine body, and a threaded sleeve connected to the stirring blade and rotatably matched with the fixing ring. The rotating component further includes a synchronous plate directly above the stirring blade and fixedly connected to the buoyancy plate. A threaded rod threadedly matched with the threaded sleeve is fixedly connected to the bottom surface of the synchronous plate. The threaded rod drives the rotation of the threaded sleeve and the stirring blade when the buoyancy plate moves downward.

[0019] The beneficial effects of adopting the above further solution are as follows. By setting the rotating component and the stirring blades inside the rotating component, it is convenient to stir the coolant, improve the flow rate of the coolant and the cooling efficiency of the casting, avoid the slow cooling of the casting by only relying on the upper-layer coolant, enable the coolant to flow evenly, and enable the heat in the casting to be quickly and evenly absorbed when absorbed by the coolant, thus improving the cooling efficiency of the casting.

[0020] Furthermore, the preheating device includes an annular through-tube embedded inside the die-casting machine body, and a connecting tube embedded outside the die-casting machine body and communicated with the annular through-tube. A number of high-temperature resistant nozzles facing obliquely below the lower die are installed on the outer surface of the annular through-tube.

[0021] The beneficial effects of adopting the above further solution are as follows. By setting the connecting tube, it is convenient to communicate with an external heating device, so that high-temperature steam can be evenly sprayed onto the lower die through the connecting tube and the high-temperature resistant nozzles, and thus preheating treatment can be carried out after the lower die is cleaned and coated.

[0022] Furthermore, the die-casting device includes a stabilizing frame fixed inside the upper die, and a hydraulic cylinder for pushing the stabilizing frame downward. The output end of the hydraulic cylinder is fixedly connected to a connecting plate connected to the connecting end of the stabilizing frame. The upper surface of the die-casting machine body is fixedly connected to a fixed rod, and the upper end of the fixed rod is fixedly connected to a fixing plate connected to the hydraulic cylinder.

[0023] The beneficial effects of adopting the above further solution are as follows. By setting the stabilizing frame, it is convenient for the die-casting driving component to stably push the upper die to carry out die-casting on the casting in the lower die, and an annular groove is provided at the edge of the upper die, which can avoid the risk of splashing during die-casting caused by too much molten iron poured into the lower die.

[0024] Furthermore, the cooling device includes a cooling box fixed to the bottom surface of the die-casting machine body, and a water pump respectively communicated with the output end and the input end of the cooling box. The connecting end of the water pump penetrates the bottom surface of the die-casting machine body and extends into the die-casting machine body. The water pump is used for circulating the coolant.

[0025] The beneficial effects of adopting the above further solution are as follows. By setting the water pump, the coolant inside the die-casting machine body can be pumped or filled, and the coolant is transmitted to the cooling box for rapid cooling.

[0026] Compared with the prior art, the demoulding method for manufacturing the energy-saving pot has the following beneficial effects: 1. When demolding the casting, the present invention fills the electromagnetic column with a positive pulse or a negative pulse, which can cause a magnetic attraction or repulsion effect between the electromagnetic column and the magnetic column. Furthermore, when in the attracting state, the lifting component can always stay at the lower mold, while in the repelling state, the lifting component can eject the casting in the lower mold. At the same time, the buoyancy generated between the buoyancy plate and the coolant in the die-casting machine body, as well as the magnetic change of the magnetic plate, can provide power for the lifting component, so that the lifting component can quickly eject the casting for demolding. By setting the close cooperation between the ejection component and the driving component, the rapid ejection and demolding after the casting is die-cast are realized, significantly improving the demolding efficiency and thus accelerating the overall production process. The combination of the buoyancy of the buoyancy plate and the coolant and the electromagnetic repulsion provides multiple power sources, ensuring a rapid response during the demolding process and greatly saving production time.

[0027] 2. The coolant of the present invention can not only facilitate the rapid cooling of the casting in the lower mold, but also provide a little power for the lifting component. The preheating device can preheat the lower mold after cleaning and coating, facilitating the preheating of the lower mold to an appropriate temperature to improve the production quality of the casting. And with the linkage of the reset component, the lower mold can move in the preheating area and the cooling area, thus avoiding the mutual influence between preheating and cooling. The cooling device has a water circulation function, which can prevent the temperature of the coolant in the die-casting machine body from being too high and reducing the cooling efficiency of the casting. And the stirring component for stirring the coolant can increase the flow rate of the coolant when cooling the casting, improving the cooling efficiency of the casting. The mold cleaning and coating treatment improve the cleanliness and smoothness of the mold, effectively preventing deformation and damage caused by the direct contact between the molten iron and the mold, and prolonging the service life of the mold. The preheating device preheats the mold through high-temperature steam, reducing the temperature difference between the molten iron and the mold, avoiding mold damage and casting cracks caused by too large a temperature difference, and improving the quality of the casting.

[0028] 3. After the die-casting process is completed, the buoyancy plate moves downward due to the casting detaching from the mold or the weight reduction after cooling. This downward movement is transmitted through the synchronization plate fixedly connected to the buoyancy plate, causing the synchronization plate to also move downward; a threaded rod is fixedly connected to the bottom surface of the synchronization plate, and this threaded rod is engaged with a threaded sleeve on a fixed ring fixed to the inner bottom wall of the die-casting machine body. As the synchronization plate moves downward, the threaded rod rotates and descends within the threaded sleeve, and this rotational movement is effectively transmitted; since the threaded rod is connected to the stirring blade (by some means, such as a connecting rod or a bearing, not directly described but logically existing), the rotation of the threaded rod will drive the stirring blade to rotate synchronously. The stirring blade is located in the coolant, and its rotation can break the natural convection state of the coolant, increasing the flow rate and turbulence of the coolant; through the rotation of the stirring blade, the coolant is effectively stirred, making the temperature distribution in the coolant more uniform, avoiding the situation where the coolant temperature is lower in the upper layer and higher in the lower layer. This uniform cooling environment can absorb the heat released by the casting faster, improve the cooling efficiency, shorten the die-casting cycle, and at the same time help reduce the internal stress and deformation of the casting due to uneven cooling. Brief Description of the Drawings

[0029] Figure 1 is a three-dimensional structural schematic diagram of the overall device of the present invention; Figure 2 is a bottom view of the three-dimensional structure of the cooling device of the present invention; Figure 3 is a cross-sectional view of the three-dimensional structure of the overall device of the present invention; Figure 4 is a cross-sectional view of the three-dimensional structure of the demolding mechanism of the present invention; Figure 5 is a three-dimensional structural schematic diagram of the preheating device of the present invention; Figure 6 is a three-dimensional structural schematic diagram of the demolding mechanism of the present invention; Figure 7 is a three-dimensional structural schematic diagram of the stirring assembly of the present invention.

[0030] In the drawings, the list of components represented by each reference numeral is as follows: 1. Die casting machine body; 2. Lower die; 3. Upper die; 4. Demoulding mechanism; 401. Sealing lifting rod; 402. Sealing lifting disc; 403. Retaining ring; 404. Buoyancy plate; 405. Magnetic column; 406. Electromagnetic column; 407. Magnetoelectric converter; 408. Magnetic plate; 409. Telescopic rod; 4010. Transmission frame; 4011. Limit groove; 4012. Connecting rod; 4013. Telescopic spring; 4014. Fixed ring; 4015. Threaded sleeve; 4016. Stirring blade; 4017. Synchronous plate; 4018. Threaded rod; 5. Annular through pipe; 6. Connecting pipe; 7. High-temperature nozzle; 8. Cooling box; 9. Water pump; 10. Stabilizing frame; 11. Hydraulic cylinder; 12. Connecting plate; 13. Fixed rod; 14. Fixed plate. Detailed implementation mode

[0031] The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples given are only used to explain the present invention and are not intended to limit the scope of the present invention.

[0032] It should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" in the terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrally formed structure. For those of ordinary skill in the art, the specific meanings of such terms in this patent can be understood according to specific circumstances.

[0033] As described in the background art, the problems of slow efficiency, cumbersome operation and complex structure in the demoulding of castings from the mold. For this reason, this embodiment provides a demoulding method for manufacturing energy-saving pots. This device can not only preheat the mold in advance, but also quickly cool the castings during the die-casting process, and can quickly respond to quickly demould the castings from the mold through the mutual linkage of the cooling device and the demoulding mechanism. The structure is simple, the operation is convenient, and the demoulding efficiency is fast.

[0034] See Figures 1 - 7 , this embodiment proposes a demoulding method for manufacturing energy-saving pots, including the following steps: S1: Clean the mold and perform a coating treatment to ensure the cleanliness and smoothness of the mold and prevent the molten iron from directly contacting the mold, resulting in deformation and damage; S2: Use a preheating device to preheat the mold that has been cleaned and coated, then pour the molten iron in a molten state into the mold, and use a die-casting device to die-cast the castings; S3: Use a cooling device to assist in the cooling and solidification of the castings to accelerate the cooling process of the castings; S4: Use a demoulding device to assist in the demoulding of the formed castings to improve the demoulding efficiency and quality; S5: Inspect, clean, trim, and polish the castings after demolding to ensure that the products meet the relevant standards and requirements.

[0035] In this embodiment, before starting casting, the mold needs to be thoroughly cleaned to remove impurities and residues on the mold surface to ensure the smoothness and cleanliness of the mold surface. After cleaning, a coating treatment is carried out to prevent the molten iron from directly contacting the mold, which may cause the mold to deform or be damaged.

[0036] As a supplement, after cleaning and coating the mold, by starting the preheating device, the mold can be preheated, so that when the molten iron is poured into the mold, the large temperature difference can be avoided, which may cause the mold to be damaged or cracks to appear on the surface of the casting after die-casting, affecting the quality of the casting. Then, the molten iron is poured into the mold.

[0037] As a supplement, by starting the die-casting device, the molds are squeezed against each other, so that the molten iron is formed inside the mold, and during the squeezing process, the casting can be moved down to the cooling area, thereby assisting in cooling the casting and greatly improving the cooling efficiency of the casting.

[0038] As a supplement, after the casting is formed, the reset of the die-casting device can reset the casting and the mold. During the reset process, starting the demolding device can quickly push the casting out of the mold, which is convenient for taking out the casting. And the mold is separated from the cooling area and enters the preheating area, which is convenient for subsequent casting production. The rapid response of demolding can effectively improve the casting efficiency, and the treatment of preheating and coating can greatly improve the quality of the casting after demolding.

[0039] As an implementation manner, the demolding device includes a lower mold 2 arranged inside the die-casting machine body 1, and an upper mold 3 facing the upper part of the lower mold 2 and carrying out die-casting on the casting. A demolding mechanism 4 is arranged inside the die-casting machine body 1. The demolding mechanism 4 includes a top-out component for pushing out and demolding the casting, and a driving component connected to the top-out component; the demolding mechanism 4 further includes a reset component connected to the lower mold 2.

[0040] In this embodiment, by setting the mutual cooperation of the top-out component and the driving component, it is convenient for the top-out component to push out the casting formed by die-casting in the lower mold 2, and the driving reaction in the driving component is rapid. When the upper mold 3 is separated after die-casting, the casting can be pushed out in the first time, greatly saving the time of the casting demolding process.

[0041] And through the reset component, it is convenient for the lower mold 2 to move down when being pressed by the upper mold 3, so as to enter the lower cooling area for cooling, and it can be reset after die-casting, which is convenient for the subsequent manufacture of energy-saving pots.

[0042] As an implementation manner, the ejection assembly includes a sealed lifting rod 401 that is slidably engaged with a reserved hole in the inner bottom wall of the lower die 2, and a sealed lifting disk 402 and a retaining ring 403 that are fixedly connected to the upper end and the outer surface of the sealed lifting rod 401 respectively. The outer surface of the sealed lifting disk 402 is adapted to the reserved hole in the inner bottom wall of the lower die 2, and a buoyancy plate 404 is fixedly connected to the lower end of the sealed lifting rod 401.

[0043] In this embodiment, by providing the ejection assembly, the size of the sealed lifting disk 402 closely fits the reserved groove formed in the inner bottom wall of the lower die 2, and the sealed lifting rod 401 closely fits the reserved hole in the inner bottom wall of the lower die 2 to prevent the leakage of molten iron or coolant. The sealed lifting disk 402 is provided to lift the castings after die casting, and the retaining ring 403 can be used for limiting and blocking after lifting, so as to control the lifting height and facilitate the removal of the castings.

[0044] The setting of the buoyancy plate 404 can generate buoyancy in the coolant, so that the buoyancy cooperates with the driving assembly, which can further improve the response speed of the ejection assembly and facilitate the rapid demolding and ejection of the castings.

[0045] As an implementation manner, the inside of the die casting machine body 1 is filled with coolant, and the water level of the coolant is located between the lower die 2 and the retaining ring 403. The coolant is used for cooling the castings in the lower die 2 and enabling the buoyancy plate 404 to generate buoyancy to assist in pushing up the sealed lifting disk 402.

[0046] In this embodiment, by providing the coolant, it is convenient to cool the descending lower die 2, thereby assisting in the cooling efficiency of the castings in the lower die 2, reducing the waiting time required for casting cooling, and being able to cooperate with the buoyancy plate 404 to make the buoyancy plate 404 generate buoyancy, so that the response speed of the ejection assembly can be improved along with the drive of the driving assembly.

[0047] As an implementation manner, the driving assembly includes a magnetic column 405 fixed to the bottom surface of the buoyancy plate 404, and an electromagnetic column 406 installed on the inner bottom wall of the die casting machine body 1 and directly opposite to the lower part of the magnetic column 405. The driving assembly further includes a magnetoelectric converter 407 fixed to the bottom surface of the die casting machine body 1 and connected to the connection end of the electromagnetic column 406.

[0048] In this embodiment, by providing the driving assembly, the positive pulse introduced into the electromagnetic column 406 by the magnetoelectric converter 407 can make the electromagnetic column 406 generate magnetic attraction to the magnetic column 405, and the force of the magnetic attraction is less than the reset force of the reset assembly, and only the ejection assembly can be kept in a state of always fitting with the lower die 2 to avoid the sudden lifting of the ejection assembly from affecting the die casting of the castings.

[0049] When a reverse pulse is filled into the electromagnetic column 406, the magnetism between the electromagnetic column 406 and the magnetic column 405 repels each other, so that the magnetic column 405 can push up the ejecting component to eject the cooled casting from the lower die 2 for demoulding, with fast response and improved efficiency of casting demoulding.

[0050] As a supplement, the strength of the magnetic field is related to the magnitude of the current; the greater the current, the stronger the generated magnetic field, and the direction of the magnetic field depends on the current direction output by the magnetoelectric converter 407. Generally, the right-hand rule, also known as Ampere's rule, the right-hand screw rule, and Ampere's right-hand rule, is used to distinguish the current direction of the energized wire and the direction of the magnetic field generated by it.

[0051] As an implementation, the driving component further includes a magnetic plate 408 located outside the electromagnetic column 406, a telescopic rod 409 installed on the inner wall of the die-casting machine body 1 and connected to the magnetic plate 408, and a transmission frame 4010 hinged to the buoyancy plate 404 and the outer cylinder of the telescopic rod 409.

[0052] In this embodiment, by providing the telescopic rod 409, the telescopic rod 409 itself has an inner cylinder and an outer cylinder, so that the telescopic rod 409 can be contracted, and then the position between the magnetic plate 408 and the electromagnetic column 406 can be adjusted conveniently. During the movement of the buoyancy plate 404, the telescopic rod 409 can be pulled to expand and contract through the transmission frame 4010, and the magnetic plate 408 can be driven to move through the expansion and contraction of the telescopic rod 409.

[0053] And during the movement, the magnetism between the magnetic plate 408 and the electromagnetic column 406 will change, so that the buoyancy plate 404 can be pushed up and down when a positive pulse or a reverse pulse is introduced into the electromagnetic column 406, and then power can be provided for the ejecting component, so that the efficiency of the ejecting component ejecting the casting from the lower die 2 for demoulding can be accelerated.

[0054] As an implementation, the reset component includes a limit groove 4011 opened on the upper surface of the die-casting machine body 1, and a connecting rod 4012 connected to the limit groove 4011 and slidably matched with the convex plate of the lower die 2. A telescopic spring 4013 is sleeved on the outer surface of the connecting rod 4012, and the telescopic spring 4013 is used for resetting the lower die 2 after die-casting and cooling.

[0055] In this embodiment, by providing the reset component, the reset component can facilitate the reset of the lower die 2, so that the lower die 2 can move downward in the die-casting machine body 1 through the telescopic spring 4013 when being pressed down, and the lower die 2 can be separated from the preheating range of the preheating device during the downward movement, so that the lower die 2 can enter the cooling area to cool the casting, thereby assisting in cooling the casting.

[0056] After cooling is completed, the detachment of the die-casting device facilitates the reset of the lower die 2 through the telescopic spring 4013, so that the lower die 2 can be detached from the cooling area and enter the preheating area, which can facilitate the subsequent manufacture of energy-saving pots.

[0057] As an implementation manner, the demoulding mechanism 4 further includes a rotating assembly connected to the buoyancy plate 404. The rotating assembly includes a stirring blade 4016 for driving the coolant to rotate. The rotating assembly further includes a fixed ring 4014 fixed on the inner bottom wall of the die-casting machine body 1, and a threaded sleeve 4015 connected to the stirring blade 4016 and rotatably matched with the fixed ring 4014. The rotating assembly further includes a synchronous plate 4017 directly above the stirring blade 4016 and fixedly connected to the buoyancy plate 404. A threaded rod 4018 threadedly matched with the threaded sleeve 4015 is fixedly connected to the bottom surface of the synchronous plate 4017. The downward movement of the threaded rod 4018 through the buoyancy plate 404 is used to drive the rotation of the threaded sleeve 4015 and the stirring blade 4016.

[0058] In this embodiment, by setting the rotating assembly and the stirring blade 4016 in the rotating assembly, it is convenient to stir the coolant, improve the flow rate of the coolant and the cooling efficiency of the casting, avoid the slow cooling of the casting by only relying on the upper-layer coolant, make the coolant flow evenly, and enable the heat in the casting to be quickly and evenly absorbed when absorbed by the coolant, thus improving the cooling efficiency of the casting.

[0059] As a supplement, by setting the stirring blade 4016, when the buoyancy plate 404 is magnetically attracted, it can drive the synchronous plate 4017 to move downward, so that the synchronous plate 4017 drives the threaded rod 4018 and the threaded sleeve 4015 to cooperate with each other, enabling the threaded sleeve 4015 to rotate, thereby driving the stirring blade 4016 and the threaded sleeve 4015 to rotate synchronously, and then enabling the stirring blade 4016 to stir the coolant, increasing the flow rate of the coolant during the cooling process of the casting, accelerating the cooling of the casting, and making the coolant flow quickly, avoiding the influence of different temperatures of the upper and lower layers of the coolant on the cooling efficiency of the casting.

[0060] As an implementation manner, the preheating device includes an annular through-tube 5 embedded in the die-casting machine body 1, and a connecting tube 6 embedded outside the die-casting machine body 1 and communicating with the annular through-tube 5. A number of high-temperature resistant nozzles 7 are installed on the outer surface of the annular through-tube 5 and facing obliquely below the lower die 2.

[0061] In this embodiment, by providing the connecting pipe 6, it is convenient to communicate with an external heating device, so that high-temperature steam can be evenly sprayed onto the lower mold 2 through the connecting pipe 6 and the high-temperature resistant nozzle 7. Thus, after the lower mold 2 is cleaned and coated, preheating treatment can be carried out, which facilitates pouring molten iron into the lower mold 2. It can avoid a large temperature difference between the molten iron and the lower mold 2, resulting in damage to the lower mold 2 and cracks in the castings after molding, and is conducive to improving the quality of the castings.

[0062] As an implementation manner, the die-casting device includes a stabilizing frame 10 fixed inside the upper mold 3, and a hydraulic cylinder 11 for pushing the stabilizing frame 10 downward. The output end of the hydraulic cylinder 11 is fixedly connected to a connecting plate 12 connected to the connecting end of the stabilizing frame 10. The upper surface of the die-casting machine body 1 is fixedly connected to a fixed rod 13, and the upper end of the fixed rod 13 is fixedly connected to a fixing plate 14 connected to the hydraulic cylinder 11.

[0063] In this embodiment, by providing the stabilizing frame 10, it is convenient for the die-casting driving component to stably push the upper mold 3 to perform die-casting on the castings in the lower mold 2. And an annular groove is provided at the edge of the upper mold 3, which can avoid the risk of splashing during die-casting caused by too much molten iron poured into the lower mold 2. The splashed molten iron can enter the annular groove at the outer ring of the upper mold 3 for storage, greatly improving the safety of the die-casting device for die-casting and forming the castings.

[0064] As an implementation manner, the cooling device includes a cooling box 8 fixed to the bottom surface of the die-casting machine body 1, and a water pump 9 respectively communicating with the output end and the input end of the cooling box 8. The connecting end of the water pump 9 penetrates the bottom surface of the die-casting machine body 1 and extends into the interior of the die-casting machine body 1. The water pump 9 is used for circulating the coolant.

[0065] In this embodiment, by providing the water pump 9, the coolant in the die-casting machine body 1 can be pumped or filled, and the coolant is transmitted to the cooling box 8 for rapid cooling, so as to facilitate ensuring the temperature of the coolant in the die-casting machine body 1 and avoiding the temperature being too high due to the inability of the coolant to circulate, which affects the forming efficiency of the castings.

[0066] The working principle of the present invention is as follows: When manufacturing the energy-saving pot, first, the lower mold 2 and the upper mold 3 are cleaned, and after cleaning, a coating treatment is carried out. After the coating is completed, it is communicated with an external heating device through the connecting pipe 6, so that high-temperature steam is transmitted through the connecting pipe 6 and the annular through pipe 5 and sprayed out from the high-temperature resistant nozzle 7, and the high-temperature steam preheats the lower mold 2. After preheating to a specific temperature, the molten iron in a molten state is poured into the lower mold 2, and alloying elements and other additives can be added as required to adjust the composition and properties of the molten iron.

[0067] At this time, the hydraulic cylinder 11 is started, and the output end of the hydraulic cylinder 11 pushes the upper die 3 downward through the stabilizing frame 10, so that the upper die 3 extrudes the molten iron in the lower die 2, and the molten iron is extruded into the shape of a die-casting pot according to the shapes of the lower die 2 and the upper die 3. During the extrusion process, the lower die 2 moves downward under the action of the reset assembly, so that the lower die 2 moves out of the preheating area and enters the cold area. Furthermore, the water circulation device of the coolant in the die-casting machine body 1 can quickly cool the casting, greatly improving the forming rate.

[0068] Finally, when the casting needs to be taken out and demolded after being formed, by passing a reverse pulse through the magnetoelectric converter 407, the magnetic field direction of the electromagnetic column 406 can be changed, so that there is a repulsive effect between the electromagnetic column 406 and both the magnetic column 405 and the magnetic plate 408. Furthermore, the magnetic column 405 can push the sealing jacking rod 401 to jack up at the lower die 2, and during the jacking process, it is limited by the retaining ring 403, enabling the casting to be jacked up to a certain height for easy removal. At the same time, the magnetic plate 408, the telescopic rod 409, and the transmission frame 4010 can mutually drive to provide power for the jacking assembly, and the buoyancy plate 404 can also be affected by the buoyancy generated between it and the coolant, enabling the buoyancy to provide power for the jacking assembly. Under the push of multiple powers, the jacking assembly can quickly respond to jack up the casting, thus greatly improving the demolding efficiency. The reset of the jacking assembly only requires passing a positive pulse through the magnetoelectric converter 407 to change the magnetic field direction of the electromagnetic column 406. While the buoyancy plate 404 is magnetically attracted, it can drive the synchronous plate 4017 to move downward, so that the synchronous plate 4017 drives the threaded rod 4018 to cooperate with the threaded sleeve 4015, enabling the threaded sleeve 4015 to rotate, and thus driving the stirring blade 4016 to rotate synchronously with the threaded sleeve 4015. Furthermore, the stirring blade 4016 can stir the coolant, increasing the flow rate of the coolant during the cooling process of the casting, accelerating the cooling of the casting, and enabling the coolant to flow quickly, avoiding the influence of different temperatures of the upper and lower layers of the coolant on the cooling efficiency of the casting.

[0069] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A demoulding method for manufacturing an energy-saving pot, characterized in that: It includes the following steps: S1: Clean the mold and perform a coating treatment to ensure the cleanliness and smoothness of the mold and prevent the molten iron from directly contacting the mold, which may cause deformation and damage; S2: Use a preheating device to preheat the mold after cleaning and coating, then pour the molten iron in a molten state into the mold, and use a die-casting device to perform die-casting on the casting; S3: Use a cooling device to assist in the cooling and solidification of the casting to accelerate the cooling process of the casting; S4: Use a demolding device to assist in the demolding of the formed casting to improve the demolding efficiency and quality; S5: Inspect, clean, trim, and polish the demolded casting to ensure that the product meets relevant standards and requirements.

2. The demoulding method for manufacturing an energy-saving pot according to claim 1, wherein: The demolding device includes a lower mold (2) arranged inside the die-casting machine body (1), and an upper mold (3) facing the upper part of the lower mold (2) and performing die-casting on the casting. A demolding mechanism (4) is arranged inside the die-casting machine body (1).

3. A demoulding method for manufacturing an energy-saving pot according to claim 2, characterized in that: The demolding mechanism (4) includes an ejecting assembly for ejecting the casting from the mold and a driving assembly connected to the ejecting assembly; the demolding mechanism (4) also includes a reset assembly connected to the lower mold (2); the ejecting assembly includes a sealing ejecting rod (401) slidably matched with a reserved hole in the inner bottom wall of the lower mold (2), and a sealing ejecting disc (402) and a retaining ring (403) respectively fixedly connected to the upper end and the outer surface of the sealing ejecting rod (401). The outer surface of the sealing ejecting disc (402) is adapted to the reserved hole in the inner bottom wall of the lower mold (2), and a buoyancy plate (404) is fixedly connected to the lower end of the sealing ejecting rod (401); The inside of the die-casting machine body (1) is filled with a coolant, and the water level of the coolant is between the lower mold (2) and the retaining ring (403). The coolant is used for cooling the casting in the lower mold (2) and generating buoyancy on the buoyancy plate (404) to assist in pushing up the sealing ejecting disc (402); The driving assembly includes a magnetic column (405) fixed to the bottom surface of the buoyancy plate (404), and an electromagnetic column (406) installed on the inner bottom wall of the die-casting machine body (1) and facing the lower part of the magnetic column (405). The driving assembly also includes a magnetoelectric converter (407) fixed to the bottom surface of the die-casting machine body (1) and connected to the connecting end of the electromagnetic column (406); The driving assembly also includes a magnetic plate (408) located around the electromagnetic column (406), and a telescopic rod (409) installed on the inner wall of the die-casting machine body (1) and connected to the magnetic plate (408). The driving assembly also includes a transmission frame (4010) hinged to the buoyancy plate (404) and the outer cylinder of the telescopic rod (409); The demolding mechanism (4) further includes a rotating assembly connected to the buoyancy plate (404). The rotating assembly includes a stirring blade (4016) for driving the coolant to rotate. The rotating assembly further includes a fixed ring (4014) fixed to the inner bottom wall of the die-casting machine body (1), and a threaded sleeve (4015) connected to the stirring blade (4016) and rotatably matched with the fixed ring (4014). The rotating assembly further includes a synchronous plate (4017) directly above the stirring blade (4016) and fixedly connected to the buoyancy plate (404). A threaded rod (4018) that is threadedly matched with the threaded sleeve (4015) is fixedly connected to the bottom surface of the synchronous plate (4017). The downward movement of the threaded rod (4018) through the buoyancy plate (404) is used to drive the rotation of the threaded sleeve (4015) and the stirring blade (4016).

4. A demolding method for manufacturing an energy-saving pot according to claim 3, characterized in that: The reset assembly includes a limit groove (4011) formed on the upper surface of the die-casting machine body (1), and a connecting rod (4012) connected to the limit groove (4011) and slidably matched with the convex plate of the lower die (2).

5. A demoulding method for manufacturing an energy-saving pot according to claim 4, characterized in that: A telescopic spring (4013) is sleeved on the outer surface of the connecting rod (4012). The telescopic spring (4013) is used for resetting the lower die (2) after die-casting and cooling.

6. A demoulding method for manufacturing an energy-saving pot according to claim 5, characterized in that: The preheating device includes an annular through-tube (5) embedded in the die-casting machine body (1), and a connecting tube (6) embedded outside the die-casting machine body (1) and communicating with the annular through-tube (5). A number of high-temperature resistant nozzles (7) facing obliquely below the lower die (2) are installed on the outer surface of the annular through-tube (5).

7. A demolding method for manufacturing an energy-saving pot according to claim 5, characterized in that: The die-casting device includes a stabilizing frame (10) fixed inside the upper die (3), and a hydraulic cylinder (11) for pushing the stabilizing frame (10) downward. The output end of the hydraulic cylinder (11) is fixedly connected to a connecting plate (12) connected to the connecting end of the stabilizing frame (10). A fixed rod (13) is fixedly connected to the upper surface of the die-casting machine body (1), and the upper end of the fixed rod (13) is fixedly connected to a fixing plate (14) connected to the hydraulic cylinder (11).

8. A demoulding method for manufacturing an energy-saving pot according to claim 7, characterized in that: The cooling device includes a cooling tank (8) fixed to the bottom surface of the die-casting machine body (1), and a water pump (9) respectively communicating with the output end and the input end of the cooling tank (8). The connecting end of the water pump (9) penetrates through the bottom surface of the die-casting machine body (1) and extends into the interior of the die-casting machine body (1). The water pump (9) is used for circulating the coolant.

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