Sacrificial anode casting device and casting method

Abstract

The invention discloses a sacrificial anode casting and forming device, comprising a mold assembly, a cooling assembly and a casting system, wherein the casting system comprises a gate and a runner, wherein the gate is connected to the runner, and the runner is connected to the cavity, and is used to inject molten sacrificial anode material into the cavity; a cavity is formed between the movable mold and the fixed mold, and the cavity is used to accommodate the sacrificial anode material to be cast; one end of the guide pipe is connected to the cooling channel, and the circulating pump is used to guide the cooling medium in the container into the cooling channel through the guide pipe; in the process of injecting the molten sacrificial anode material, the cooling medium flows through the mold assembly through the cooling channel to cool the sacrificial anode material in the cavity, prevents thermal cracking, and solidifies the sacrificial anode material; the structure is simple, the operation is convenient, the casting precision is high, and the casting quality and production efficiency of the sacrificial anode can be improved.

Description

Technical Field

[0001] The invention belongs to the technical field of sacrificial anodes, and in particular relates to a sacrificial anode casting device and a casting method. Background Art

[0002] At present, in many fields such as industrial production and daily life, casting molds are widely used and the usage is huge. Sacrificial anode is the lightest technical material currently in use. It has the advantages of light weight, high strength, good processing performance, high dimensional stability, anti-stamping, and wear resistance. It can replace plastic and steel materials. It does not affect the strength of the product while meeting the requirements of light and thin products. It has a wide range of application prospects.

[0003] The sacrificial anode is an electrochemical protection method used to prevent metal corrosion. It protects the metal from corrosion by installing a metal that is more active than the metal on the metal surface, causing it to corrode preferentially in a corrosive environment. The sacrificial anode is usually manufactured by casting, and its manufacturing process includes smelting, casting, cooling and other steps. During the casting process, the molten sacrificial anode material needs to be injected into the mold, and then the mold is cooled by the cooling system to solidify the sacrificial anode material.

[0004] The above-mentioned prior art solutions have the following defects: a large amount of heat is generated during the casting process of the sacrificial anode, which can easily cause thermal cracking of the sacrificial anode, thereby affecting the quality of the sacrificial anode. Summary of the invention

[0005] The present invention aims at solving the problems existing in the sacrificial anode casting molding device and casting molding method in the prior art and proposes the following technical solutions:

[0006] In a first aspect, an embodiment of the present invention provides a sacrificial anode casting device, comprising: a mold assembly, a cooling assembly, and a casting system, wherein the casting system comprises a gate and a runner, wherein the gate is connected to the runner, and the runner is connected to the mold cavity, and is used to inject molten sacrificial anode material into the mold cavity;

[0007] The mold assembly comprises a movable mold and a fixed mold, a mold cavity is formed between the movable mold and the fixed mold, and the mold cavity is used to accommodate the sacrificial anode material to be cast;

[0008] The cooling assembly includes a container, a circulation pump and a guide tube. A cooling channel is provided in the mold assembly. One end of the guide tube is connected to the cooling channel, and the other end of the guide tube extends into the container. The circulation pump is used to guide the cooling medium in the container into the cooling channel through the guide tube.

[0009] As a preferred embodiment of the above technical solution, the cooling channel includes a first cooling channel and a second cooling channel, the first cooling channel is opened in the movable mold, the second cooling channel is opened in the fixed mold, and the first cooling channel and the second cooling channel are wrapped around the periphery of the cavity; the cooling medium passes through the first cooling channel and the second cooling channel to bring out the heat in the cavity and quickly cool it down, the cooling channel is a through groove opened in the mold assembly, and the winding arrangement increases the contact area with the cavity, thereby improving the heat dissipation and cooling effect.

[0010] As a preferred embodiment of the above technical solution, the first cooling channel and the second cooling channel are connected by a connecting pipe, a bellows is provided in the middle of the connecting pipe, and the first cooling channel, the second cooling channel and the two connecting pipes cooperate to form a circulation passage;

[0011] The guide pipe includes an inlet pipe and a discharge pipe, the lower end of the inlet pipe is arranged in the container, and the upper end of the inlet pipe is connected to the inlet port of the circulation passage; the lower end of the discharge pipe extends into the container, and the upper end of the discharge pipe is connected to the discharge port of the circulation passage; the circulation pump draws the cooling medium in the container into the inlet pipe, and the medium enters the second cooling channel through the inlet pipe, the cooling medium in the second cooling channel enters the first cooling channel through a connecting pipe, and then flows back to the discharge pipe through another connecting pipe, and the medium with heat flows back to the container through the discharge pipe for cooling, and the heat in the cavity is taken out to prevent heat accumulation and affect the casting quality.

[0012] As a preferred embodiment of the above technical solution, the discharge pipe is connected to a radiator, and the radiator is arranged on the upper surface of the container. The radiator is a heat dissipation fin or a heat exchanger; the cooling medium in the discharge pipe carries heat, and a radiator is arranged on the outer surface of the discharge pipe to dissipate the heat of the cooling medium on the way back, thereby reducing the temperature of the cooling medium flowing back into the container, facilitating the recycling of the cooling medium, and saving energy consumption for cooling the cooling medium; the radiator is a heat exchanger, which can reuse the heat, save energy and protect the environment, and make full use of energy.

[0013] As a preferred embodiment of the above technical solution, a thermometer and a liquid level gauge are arranged in the container, a filter plate is arranged in the container, and a cooling component is arranged at the discharge end of the circulating pump; a thermometer and a liquid level gauge are arranged in the container for real-time monitoring of internal temperature and liquid level changes to prevent excessively high temperature or excessively low liquid level from affecting practicality; a cooling component is arranged at the discharge end of the circulating pump for cooling the cooling medium that is about to enter the cooling channel, so that the cavity has a heat exchange and cooling effect.

[0014] As a preferred embodiment of the above technical solution, the cooling component includes a semiconductor refrigerator and a coil, the coil is attached to the cooling surface of the semiconductor refrigerator, and the coil is connected in series in the liquid inlet pipe; the semiconductor refrigerator cools the coil, and when the cooling medium passes through the coil, the heat of the cooling medium itself is absorbed to achieve the purpose of cooling.

[0015] As a preferred embodiment of the above technical solution, it also includes an insulation shell, the semiconductor refrigerator is embedded in the side wall of the insulation shell, the coil is arranged in the insulation shell, and the heating surface of the semiconductor refrigerator is arranged on the outer surface of the insulation shell; a temperature sensor is arranged in the insulation shell; a control system is arranged, and the control system is used to control the operation of the cooling component and the casting system to achieve a precise casting process; the temperature sensor is used to detect the temperature of the cooling medium entering the coil, and feed back the detected temperature to the control system, when the feedback temperature is higher than 10 degrees, the control system starts the semiconductor refrigerator to cool the coil.

[0016] As a preferred embodiment of the above technical solution, a support frame is also included, the container is fixed on the bottom of the support frame, the movable mold and the fixed mold are horizontally arranged, the fixed mold is fixed on the upper part of the support frame, and a cylinder for pushing the movable mold to slide is installed on one side of the support frame; the movable mold is driven to slide by the arranged cylinder to realize the mold closing and mold opening actions.

[0017] As a preferred embodiment of the above technical solution, a protective cover is fixed to the upper end of the support frame, the mold assembly is arranged in the protective cover, and an observation window is installed on the outer wall of the protective cover;

[0018] A guide rod is fixed in the protective cover, a plurality of guide rods are arranged in parallel, and the movable mold is slidably connected to the guide rods;

[0019] A discharge port is provided on one side of the protective cover, a conveyor belt is provided directly below the mold assembly, and one end of the conveyor belt extends to the outside of the discharge port;

[0020] The protective cover is set to protect the mold assembly from external dust and impurities, avoid the mixing of sacrificial anode materials during the injection molding process, and affect the casting quality; the observation window is set to facilitate real-time viewing of the internal injection molding situation; the movable mold and the fixed mold are set horizontally to facilitate the falling of materials after the mold is opened, which is convenient for unloading, and then cooperate with the conveyor belt set below to convey the injection molded products, which is convenient for product collection and processing, reducing manual workload and improving work efficiency.

[0021] In a second aspect, an embodiment of the present invention further provides a sacrificial anode casting method, comprising a sacrificial anode casting device as described in any one of the above, and the following steps:

[0022] S1. Mold closing and pouring: Control the cylinder to drive the movable mold to slide so that it closes with the fixed mold, and use the casting system to cast the molten sacrificial anode material into the cavity of the mold assembly;

[0023] S2, cooling molding: Use cooling components to cool down the mold components to reach a suitable casting temperature to prevent thermal cracking;

[0024] S3, Precision Control: Use control system to control the operation of cooling components and casting system to achieve precise casting process;

[0025] S4, mold opening and material unloading: The horizontally set movable mold and fixed mold are separated under the drive of the cylinder. After the mold is opened, the material falls onto the conveyor belt set below, and the conveyor belt transports the injection molded products out.

[0026] The beneficial effects of the present invention are:

[0027] During the process of injecting the molten sacrificial anode material, the cooling medium flows through the mold assembly through the cooling channel to cool the sacrificial anode material in the cavity, prevents thermal cracking, and solidifies it into shape; finally, the mold is controlled to open, and the formed sacrificial anode falls from the mold assembly, and the casting process of the sacrificial anode is completed. The structure is simple, the operation is convenient, the casting precision is high, the casting quality and production efficiency of the sacrificial anode can be improved, and it is suitable for the casting production of various sacrificial anodes. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 What is shown is a schematic diagram of the three-dimensional structure of the sacrificial anode casting molding device in the embodiment;

[0029] Figure 2 What is shown is a schematic diagram of the three-dimensional structure inside the protective cover in the embodiment;

[0030] Figure 3 What is shown is a schematic diagram of the three-dimensional structure of the connection between the cooling assembly and the mold assembly in the embodiment;

[0031] Figure 4 What is shown is a schematic diagram of the three-dimensional structure of the cooling assembly in the embodiment;

[0032] Figure 5 What is shown is a schematic diagram of the three-dimensional structure of the cooling component in the embodiment;

[0033] Figure numerals: 100, support frame; 110, cylinder; 130, protective cover; 131, observation window; 150, guide rod; 170, conveyor belt; 300, mold assembly; 310, movable mold; 330, fixed mold; 500, cooling assembly; 510, container; 530, circulating pump; 550, guide pipe; 551, liquid inlet pipe; 553, liquid discharge pipe; 555, radiator; 570, connecting pipe; 590, cooling assembly; 591, semiconductor refrigerator; 593, coil; 595, insulation shell. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0035] Example

[0036] Figures 1 to 5 As shown, a sacrificial anode casting molding device is provided as an embodiment of the present invention, comprising: a mold assembly 300, a cooling assembly 500 and a casting system, wherein the casting system comprises a gate and a runner, wherein the gate is connected to the runner, and the runner is connected to the mold cavity, and is used to inject molten sacrificial anode material into the mold cavity;

[0037] The mold assembly 300 includes a movable mold 310 and a fixed mold 330, wherein a cavity is formed between the movable mold 310 and the fixed mold 330, and the cavity is used to accommodate the sacrificial anode material to be cast;

[0038] The cooling assembly 500 includes a container 510, a circulation pump 530 and a guide tube 550. A cooling channel is provided in the mold assembly 300. One end of the guide tube 550 is connected to the cooling channel, and the other end of the guide tube 550 extends into the container 510. The circulation pump 530 is used to introduce the cooling medium in the container 510 into the cooling channel through the guide tube 550.

[0039] As a preferred embodiment of the above technical solution, the cooling channel includes a first cooling channel and a second cooling channel, the first cooling channel is opened in the movable mold 310, and the second cooling channel is opened in the fixed mold 330, and the first cooling channel and the second cooling channel are wrapped around the cavity; the cooling medium passes through the first cooling channel and the second cooling channel to bring out the heat in the cavity and quickly cool it down, and the cooling channel is a through groove opened in the mold assembly 300, and the winding setting increases the contact area with the cavity, thereby improving the heat dissipation and cooling effect.

[0040] Figure 3 to Figure 4As a specific embodiment of the present invention, the first cooling channel and the second cooling channel are connected through a connecting pipe 570, a bellows is provided in the middle of the connecting pipe 570, and the first cooling channel, the second cooling channel and the two connecting pipes 570 cooperate to form a circulation passage;

[0041] The guide pipe 550 includes an inlet pipe 551 and a discharge pipe 553, wherein the lower end of the inlet pipe 551 is arranged in the container 510, and the upper end of the inlet pipe 551 is connected to the inlet port of the circulation passage; the lower end of the discharge pipe 553 extends into the container 510, and the upper end of the discharge pipe 553 is connected to the discharge port of the circulation passage; the circulation pump 530 draws the cooling medium in the container 510 into the inlet pipe 551, and the medium enters the second cooling channel through the inlet pipe 551, and the cooling medium in the second cooling channel enters the first cooling channel through a connecting pipe 570, and then flows back to the discharge pipe 553 through another connecting pipe 570, and the medium with heat flows back to the container 510 through the discharge pipe 553 for cooling, and the heat in the cavity is taken out to prevent heat accumulation and affect the casting quality.

[0042] As a preferred embodiment of the above technical solution, the drain pipe 553 is connected to a radiator 555, and the radiator 555 is arranged on the upper surface of the container 510. The radiator 555 is a heat dissipation fin or a heat exchanger; the cooling medium in the drain pipe 553 carries heat, and the radiator 555 is arranged on the outer surface of the drain pipe 553 to dissipate the heat of the cooling medium on the way back, thereby reducing the temperature of the cooling medium flowing back into the container 510, facilitating the recycling of the cooling medium, and saving energy for cooling the cooling medium; the radiator 555 is a heat exchanger, which can reuse the heat, save energy and protect the environment, and make full use of energy.

[0043] As a preferred embodiment of the above technical solution, a thermometer and a liquid level gauge are arranged in the container 510, a filter plate is arranged in the container 510, and a cooling component 590 is arranged at the discharge end of the circulating pump 530; a thermometer and a liquid level gauge are arranged in the container 510 for real-time monitoring of the internal temperature and liquid level changes to prevent excessively high temperature or excessively low liquid level from affecting practicality; a cooling component 590 is arranged at the discharge end of the circulating pump 530 for cooling the cooling medium that is about to enter the cooling channel, so that the cavity has a heat exchange and cooling effect.

[0044] Figure 5As a specific embodiment of the present invention, the cooling component 590 includes a semiconductor refrigerator 591 and a coil 593. The coil 593 is attached to the cooling surface of the semiconductor refrigerator 591, and the coil 593 is connected in series in the liquid inlet pipe 551. The semiconductor refrigerator 591 cools the coil 593. When the cooling medium passes through the coil 593, the heat of the cooling medium itself is absorbed to achieve the purpose of cooling.

[0045] Figures 4 to 5 What is shown as a specific embodiment of the present invention is also provided with an insulation shell 595, the semiconductor refrigerator 591 is embedded in the side wall of the insulation shell 595, the coil 593 is arranged in the insulation shell 595, and the heating surface of the semiconductor refrigerator 591 is arranged on the outer surface of the insulation shell 595; a temperature sensor is arranged in the insulation shell 595; a control system is arranged, and the control system is used to control the operation of the cooling component 500 and the casting system to achieve a precise casting process; the temperature sensor is used to detect the temperature of the cooling medium entering the coil 593, and feed back the detected temperature to the control system, when the feedback temperature is higher than 10 degrees, the control system starts the semiconductor refrigerator 591 to cool the coil 593.

[0046] Figures 1 to 3 What is shown is a specific embodiment of the present invention, which also includes a support frame 100, the container 510 is fixed at the bottom of the support frame 100, the movable mold 310 and the fixed mold 330 are horizontally arranged, the fixed mold 330 is fixed on the upper part of the support frame 100, and a cylinder 110 for pushing the movable mold 310 to slide is installed on one side of the support frame 100; the movable mold 310 is driven to slide by the arranged cylinder 110 to realize the mold closing and mold opening actions.

[0047] Figure 1 to Figure 2 As a specific embodiment of the present invention, a protective cover 130 is fixed to the upper end of the support frame 100, the mold assembly 300 is arranged in the protective cover 130, and an observation window 131 is installed on the outer wall of the protective cover 130;

[0048] A guide rod 150 is fixed inside the protective cover 130, and a plurality of guide rods 150 are arranged in parallel. The movable mold 310 is slidably connected to the guide rods 150;

[0049] A discharge port is provided on one side of the protective cover 130, and a conveyor belt 170 is provided directly below the mold assembly 300, with one end of the conveyor belt 170 extending to the outside of the discharge port;

[0050] The protective cover 130 is provided to protect the mold assembly 300 from external dust and impurities, so as to avoid the mixing of sacrificial anode materials during the injection molding process, which may affect the casting quality; the observation window 131 is provided to facilitate real-time viewing of the internal injection molding situation; the movable mold 310 and the fixed mold 330 are arranged horizontally to facilitate the falling of materials after the mold is opened, and to facilitate unloading, and then cooperate with the conveyor belt 170 arranged below to convey the injection molded products, so as to facilitate the collection and processing of the products, reduce the manual workload, and improve the work efficiency;

[0051] The transmission belt 170 includes a roller bracket, a transmission roller and a belt body. The transmission roller is rotatably installed at both ends of the roller bracket. The belt body transmission sleeve is arranged on the surface of the two transmission rollers. The drive motor is set to drive any transmission roller to rotate to realize the transmission of objects.

[0052] In a second aspect, an embodiment of the present invention further provides a sacrificial anode casting method, comprising any one of the sacrificial anode casting devices described above, and the following steps:

[0053] S1, mold closing and pouring: controlling the cylinder 110 to drive the movable mold 310 to slide, so as to close the mold with the fixed mold 330, and using the casting system to cast the molten sacrificial anode material into the mold cavity of the mold assembly 300;

[0054] S2, cooling and molding: using the cooling component 500 to cool the mold component 300 to reach a suitable casting temperature to prevent thermal cracking;

[0055] S3, precise control: using a control system to control the operation of the cooling assembly 500 and the casting system to achieve a precise casting process;

[0056] S4, mold opening and material unloading: the horizontally arranged movable mold 310 and the fixed mold 330 are separated under the drive of the cylinder 110. After the mold is opened, the material falls onto the conveyor belt 170 arranged below, and the conveyor belt 170 conveys the injection molded product.

[0057] Working principle: First, the sacrificial anode material to be cast is placed in a furnace for smelting to make it molten. Then, the molten sacrificial anode material is injected into the runner through the gate, and then injected into the cavity through the runner. In the process of injecting the molten sacrificial anode material, the cooling medium flows through the mold assembly 300 through the cooling channel to cool the sacrificial anode material in the cavity to prevent thermal cracking and solidify it; finally, the mold is controlled to open, and the formed sacrificial anode falls from the mold assembly 300, and the casting process of the sacrificial anode is completed. The structure is simple, easy to operate, and has high casting precision. It can improve the casting quality and production efficiency of the sacrificial anode and is suitable for the casting production of various sacrificial anodes.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. A sacrificial anode casting device, characterized in that: include: A mold assembly (300), the mold assembly (300) comprising a movable mold (310) and a fixed mold (330), a mold cavity being formed between the movable mold (310) and the fixed mold (330), the mold cavity being used to accommodate a sacrificial anode material to be cast; A casting system, the casting system comprising a gate and a runner, the gate being connected to the runner, the runner being connected to the mold cavity, and being used to inject molten sacrificial anode material into the mold cavity; A cooling assembly (500), the cooling assembly (500) comprising a container (510), a circulation pump (530) and a guide tube (550), a cooling channel being arranged in the mold assembly (300), one end of the guide tube (550) being connected to the cooling channel, and the other end of the guide tube (550) extending into the container (510), the circulation pump (530) being used to guide the cooling medium in the container (510) into the cooling channel through the guide tube (550).

2. A sacrificial anode casting device according to claim 1, characterized in that: The cooling channel comprises a first cooling channel and a second cooling channel, the first cooling channel is opened in the movable mold (310), the second cooling channel is opened in the fixed mold (330), and the first cooling channel and the second cooling channel are wrapped around the periphery of the cavity.

3. A sacrificial anode casting device according to claim 2, characterized in that: The first cooling channel and the second cooling channel are connected via a connecting pipe (570), a bellows is provided in the middle of the connecting pipe (570), and the first cooling channel, the second cooling channel and the two connecting pipes (570) cooperate to form a circulation passage; The flow guide pipe (550) comprises a liquid inlet pipe (551) and a liquid discharge pipe (553); the lower end of the liquid inlet pipe (551) is arranged in the container (510), and the upper end of the liquid inlet pipe (551) is connected to the liquid inlet port of the circulation passage; the lower end of the liquid discharge pipe (553) extends into the container (510), and the upper end of the liquid discharge pipe (553) is connected to the liquid discharge port of the circulation passage.

4. A sacrificial anode casting device according to claim 3, characterized in that: The liquid discharge pipe (553) is connected to a radiator (555). The radiator (555) is arranged on the upper surface of the container (510). The radiator (555) is a heat dissipation fin or a heat exchanger.

5. The sacrificial anode casting device according to claim 2, characterized in that: A thermometer and a liquid level gauge are arranged in the container (510), a filter plate is arranged in the container (510), and a cooling component (590) is arranged at the discharge end of the circulation pump (530).

6. The sacrificial anode casting device according to claim 5, characterized in that: The cooling component (590) comprises a semiconductor refrigerator (591) and a coil (593), wherein the coil (593) is attached to the cooling surface of the semiconductor refrigerator (591), and the coil (593) is connected in series in the liquid inlet pipe (551).

7. The sacrificial anode casting device according to claim 6, characterized in that: It also includes a heat-insulating shell (595), the semiconductor refrigerator (591) is embedded in the side wall of the heat-insulating shell (595), the coil (593) is arranged in the heat-insulating shell (595), and the heating surface of the semiconductor refrigerator (591) is arranged on the outer surface of the heat-insulating shell (595); a temperature sensor is arranged in the heat-insulating shell (595).

8. The sacrificial anode casting device according to claim 2, characterized in that: The invention also comprises a support frame (100), the container (510) is fixed at the bottom of the support frame (100), the movable mold (310) and the fixed mold (330) are arranged horizontally, the fixed mold (330) is fixed at the upper part of the support frame (100), and a cylinder (110) for pushing the movable mold (310) to slide is installed on one side of the support frame (100).

9. The sacrificial anode casting device according to claim 8, characterized in that: A protective cover (130) is fixed to the upper end of the support frame (100), the mold assembly (300) is arranged in the protective cover (130), and an observation window (131) is installed on the outer wall of the protective cover (130).

10. A sacrificial anode casting method, comprising a sacrificial anode casting device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1, mold closing and pouring: controlling the cylinder (110) to drive the movable mold (310) to slide so as to close the mold with the fixed mold (330), and using the casting system to cast the molten sacrificial anode material into the mold cavity of the mold assembly (300); S2, cooling and molding: using a cooling component (500) to cool the mold component (300) to reach a suitable casting temperature to prevent thermal cracking; S3, precise control: using a control system to control the operation of the cooling assembly (500) and the casting system to achieve a precise casting process; S4, mold opening and material unloading: the movable mold (310) and the fixed mold (330) are separated under the drive of the cylinder (110), and after the mold is opened, the materials fall onto the conveyor belt (170) arranged below, and the conveyor belt (170) conveys the injection molded products out.

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