Magnetic adsorption type precision stamping die waste automatic separation assembly
By combining high-temperature resistant enameled wire and an active air-cooling system, the problem of decreased magnetic conductivity of electromagnet coils due to heat was solved, achieving efficient waste separation and stable mold operation, thus improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN SHIBAODE PRECISION MOULD CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-05-01
AI Technical Summary
In the existing technology, the electromagnet coil generates a lot of heat during the energization process, causing the temperature to rise rapidly. When it exceeds 75°C, the magnetic permeability decreases, affecting the stability of the adsorption force, resulting in incomplete separation of waste materials and mold jamming. Traditional heat dissipation solutions are inefficient and cannot meet the temperature control and magnetic stability requirements of high-precision stamping dies.
The electromagnetic coil is wound with high-temperature resistant enameled wire, combined with heat sink fins and an active air cooling system. The temperature sensor monitors and dynamically adjusts the speed of the cooling fan in real time. The aluminum alloy heat sink fins and high thermal conductivity graphene coating accelerate heat dissipation, ensuring that the component temperature is always below the critical point of magnetic attenuation of 80°C.
It significantly improves heat dissipation capacity, ensures the stability of the magnetic permeability of the electromagnetic coil, avoids magnetic force attenuation, realizes continuous and efficient adsorption and separation of waste materials, and improves production efficiency.
Smart Images

Figure CN224181919U_ABST
Abstract
Description
A magnetic adsorption type automatic separation component for precision stamping die waste Technical Field
[0001] This utility model relates to the field of automatic waste separation technology, specifically, to an automatic waste separation component for precision stamping dies using magnetic adsorption. Background Technology
[0002] In the automated production process of precision stamping dies, electromagnets, as the core component for waste adsorption and separation, need to be in a continuous working state with high frequency and high load for a long time.
[0003] However, in existing technologies, electromagnet coils generate a large amount of heat due to the Joule effect during energization, causing the overall component temperature to rise rapidly. When the temperature rise exceeds 75°C, the magnetic permeability of the core and coil decreases significantly (i.e., the critical point of magnetic attenuation), directly affecting the stability of the adsorption force, leading to problems such as incomplete waste separation and mold jamming. In severe cases, it can even cause equipment shutdown for maintenance, reducing production efficiency. Traditional heat dissipation solutions mostly rely on natural cooling, which has limited heat dissipation efficiency and does not optimize the internal magnetic circuit and heat distribution of the electromagnet, making it difficult to meet the stringent requirements of high-precision stamping dies for temperature control and magnetic stability.
[0004] Therefore, there is an urgent need for a magnetic adsorption type automatic separation component for precision stamping die waste to improve the shortcomings of existing technologies. Summary of the Invention
[0005] The purpose of this invention is to provide a magnetic adsorption type automatic separation component for precision stamping die waste. It employs an electromagnetic coil wound with high-temperature resistant enameled wire, combined with heat sink fins and an active air-cooling system. A temperature sensor monitors and dynamically adjusts the cooling fan speed in real time to ensure the component's operating temperature remains at a suitable level, thus solving the problems mentioned in the background art.
[0006] Traditional heat dissipation solutions mostly rely on natural cooling, which has limited heat dissipation efficiency. When the temperature rise exceeds 75°C, the magnetic permeability of the iron core and coil decreases significantly, directly affecting the stability of the adsorption force and causing problems such as incomplete separation of waste materials and mold jamming.
[0007] To achieve the above objectives, this utility model provides a magnetic adsorption type automatic separation component for precision stamping die waste, including a magnetic adsorption component and a heat dissipation component; the heat dissipation component is fixed to the upper part of the magnetic adsorption component, and the connection between the two is filled with thermally conductive silicone grease;
[0008] The heat dissipation component includes several parallel heat dissipation fins, each heat dissipation fin having a cylindrical groove inside, a heat dissipation bracket being embedded in the groove, and a heat dissipation fan being fixedly connected to the heat dissipation bracket.
[0009] When the temperature sensor inside the magnetic adsorption component detects that the temperature exceeds 75°C, the cooling fan starts and blows air onto the heat dissipation fins to accelerate heat dissipation and suppress magnetic force attenuation.
[0010] In the above technical solution, the electromagnetic coil of the magnetic adsorption component generates a magnetic field to adsorb metal waste when energized, and Joule heating is generated due to the current during the process; the heat is efficiently conducted to the aluminum alloy heat sink fins of the heat dissipation component through thermal grease. When the built-in temperature sensor detects that the temperature exceeds 75°C, the cooling fan starts and blows the airflow into the cylindrical grooves of the heat sink fins. The honeycomb bracket expands the heat dissipation area and accelerates air convection, so that the temperature is always below the critical point of magnetic force attenuation of 80°C, thereby suppressing the decrease in magnetic permeability, ensuring the stability of the magnetic field strength, and realizing continuous adsorption and separation of waste.
[0011] Based on this, the heat dissipation fins are made of 1-3mm thick aluminum alloy, and the surface is anodized to form an anti-corrosion layer, which enhances corrosion resistance in high-temperature environments. The 5-10mm spacing design optimizes the heat dissipation area and airflow channels. Combined with the airflow drive of the cooling fan, it accelerates the heat dissipation through the fin surface, thereby effectively controlling the temperature rise of the magnetic adsorption component, avoiding magnetic attenuation due to overheating, and ensuring the continuous stability of waste adsorption and separation.
[0012] In another technical solution, a ceramic insulating block is provided on the top of the insulating frame. The ceramic insulating block is fixedly connected to the heat dissipation bracket by insulating bolts, and the contact surface of the two is covered with a nano-ceramic insulating layer. The heat dissipation bracket is a cross-shaped overhead structure, made of copper-aluminum alloy, and its contact surface with the heat dissipation fins is coated with a high thermal conductivity graphene coating.
[0013] In this technical solution, the ceramic insulating block at the top of the insulating frame is fixed to the heat dissipation bracket by insulating bolts. The nano-ceramic insulating layer on the contact surface effectively isolates heat and current from spreading to non-target areas. The heat dissipation bracket adopts a copper-aluminum alloy cross-braced structure, combined with a high thermal conductivity graphene coating, to quickly transfer the heat generated by the magnetic adsorption component to the heat dissipation fins. By increasing the contact area and heat conduction path, the heat dissipation efficiency is significantly improved, the temperature rise is suppressed, and the magnetic permeability stability of the electromagnetic coil is maintained, ensuring the continuity of waste adsorption.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] This magnetic adsorption-type automatic separation component for precision stamping die waste uses an electromagnetic coil wound with high-temperature resistant enameled wire, combined with heat sink fins and an active air cooling system. The component monitors and dynamically adjusts the cooling fan speed in real time through a temperature sensor to ensure that the component's operating temperature is always ≤75℃. The heat sink fins are made of aluminum alloy and designed with a parallel distribution structure. The surface is anodized to enhance thermal radiation efficiency. The heat sink bracket adopts a honeycomb hollow design and a high thermal conductivity graphene coating, combined with directional airflow channels, which greatly improves heat conduction and convection efficiency, and the heat dissipation capacity is more than 40% higher than that of traditional solutions. Attached Figure Description
[0016] Figure 1 is a schematic diagram of the overall structure of the embodiment;
[0017] Figure 2 is a schematic diagram of the magnetic adsorption component structure in the embodiment;
[0018] Figure 3 is a schematic diagram of the heat dissipation component structure in the embodiment.
[0019] The meanings of the labels in the diagram are as follows:
[0020] 100. Magnetic adsorption component; 101. Insulating frame; 102. Iron core; 103. Ceramic insulating block; 104. Electromagnetic coil; 200. Heat dissipation component; 201. Heat dissipation fins; 202. Heat dissipation bracket; 203. Cooling fan. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Traditional heat dissipation solutions rely heavily on natural cooling, which has limited efficiency. When the temperature rises above 75°C, the magnetic permeability of the iron core 102 and the coil decreases significantly, reaching the critical point of magnetic attenuation. This directly affects the stability of the adsorption force, leading to problems such as incomplete waste separation and mold jamming. Please refer to Figures 1-3. This embodiment provides a magnetic adsorption type automatic waste separation component for precision stamping molds, including a heat dissipation component 200. The heat dissipation component 200 includes several parallel heat dissipation fins 201. The heat dissipation fins 201 have cylindrical grooves inside, and heat dissipation brackets 202 are embedded in the grooves. The heat dissipation brackets 202 are fixedly connected to the cooling fan 203.
[0023] When the temperature sensor inside the magnetic adsorption component 100 detects that the temperature exceeds 75°C, the cooling fan 203 starts and blows air onto the heat dissipation fins 201 to accelerate heat dissipation and suppress magnetic force attenuation.
[0024] During implementation, when the internal temperature sensor of the magnetic adsorption component 100 detects a temperature exceeding 75°C, the cooling fan 203 automatically starts, directing airflow into the cylindrical groove of the heat dissipation fin 201. The heat dissipation bracket 202 embedded in the groove expands the heat dissipation area and guides the airflow to be evenly distributed, accelerating the dissipation of heat from the surface of the aluminum alloy heat dissipation fin 201, effectively suppressing the decrease in magnetic permeability of the electromagnetic coil 104 due to temperature rise, ensuring stable magnetic adsorption force, and thus maintaining the continuous and efficient operation of the automatic waste separation component.
[0025] Referring to Figure 2, when the electromagnetic coil 104 is energized, the high-temperature resistant enameled wire generates a magnetic field. The iron core 102 penetrates the center of the insulating frame 101 and extends into the magnetic channel of the heat dissipation component 200, forming a closed magnetic circuit to enhance the concentration of the magnetic field. The magnetic channel guides the efficient transmission of magnetic lines of force. At the same time, through the heat conduction path between the iron core 102 and the heat dissipation component 200, the heat generated by the coil operation is quickly diffused to the external heat dissipation structure, avoiding excessive local temperature rise, thereby maintaining the stability of the magnetic permeability of the electromagnetic coil 104 and ensuring the continuous and efficient adsorption of waste materials.
[0026] In Figure 3, the aluminum alloy heat dissipation fins 201 are distributed in parallel with a thickness of 1-3 mm and a spacing of 5-10 mm. The surface is anodized to form an anti-corrosion layer. In high-temperature environments, the heat dissipation is accelerated by increasing the heat dissipation area and optimizing the airflow channels. The ceramic insulating block 103 on the top of the insulating frame 101 is fixed to the heat dissipation bracket 202 by insulating bolts. The nano-ceramic insulating layer on the contact surface isolates the current and efficiently conducts the heat generated by the electromagnetic coil 104 to the heat dissipation fins 201, suppressing the temperature rise and preventing the magnetic permeability from decreasing.
[0027] Additionally, as shown in Figure 3, the copper-aluminum alloy heat sink bracket 202 adopts a cross-braced structure. Its contact surface with the heat sink fins 201 is coated with a high thermal conductivity graphene coating. By increasing the heat conduction path area and improving the interface thermal conductivity, the heat generated by the electromagnetic coil 104 is quickly diffused to the heat sink fins 201. The quick-installation slot at the bottom of the insulating frame 101 is detachably connected to the mold base by snap-fit bolts. The embedded shock-absorbing rubber pads absorb the vibration during the stamping operation and prevent the structure from loosening.
[0028] In this embodiment, a magnetic adsorption-type automatic separation component for precision stamping die waste is used in the following ways: First, the ceramic insulating block 103 is fixed to the heat dissipation bracket 202 through a nano-ceramic insulating layer, which both isolates the current and conducts heat. The quick-installation slot at the bottom of the insulating frame 101 is connected to the die base through snap-fit bolts, and the embedded shock-absorbing rubber pad absorbs vibration to ensure stable fit of the component. This component achieves efficient separation of waste through the synergistic effect of magnetic adsorption and active heat dissipation. After the high-temperature resistant enameled wire electromagnetic coil 104 of the magnetic adsorption component 100 is energized, it generates a magnetic field. The iron core 102 penetrates the insulating frame 101 and extends into the magnetic channel of the heat dissipation component 200, forming a closed magnetic circuit to adsorb metal waste. During operation, the electromagnetic coil 104 generates Joule heat due to the current, and the heat is quickly transferred to the aluminum alloy heat dissipation fins 201 of the heat dissipation component 200 through thermal grease. The heat dissipation fins 201 are distributed in parallel with a thickness of 1-3mm and a spacing of 5-10mm. The surface is anodized to enhance corrosion resistance. When the temperature sensor detects that the temperature exceeds 75℃, the dual-bearing brushless cooling fan 203 starts. Its air outlet forms a 30° angle with the axis of the groove of the heat dissipation fin 201, forming a directional airflow channel. The airflow is blown into the cross-shaped suspended copper-aluminum alloy bracket in the groove. Combined with the high thermal conductivity of the graphene coating, the heat dissipation is accelerated and the temperature rise is suppressed to below the critical point of magnetic attenuation of 80℃.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A magnetic adsorption type automatic separation component for waste materials in precision stamping dies, characterized in that: The device includes a magnetic adsorption component (100) and a heat dissipation component (200); the heat dissipation component (200) is fixed to the upper part of the magnetic adsorption component (100), and the connection between the two is filled with thermally conductive silicone grease; the heat dissipation component (200) includes a plurality of parallel heat dissipation fins (201), the heat dissipation fins (201) are provided with cylindrical grooves inside, and heat dissipation brackets (202) are embedded in the grooves, and heat dissipation brackets (202) are fixedly connected to a cooling fan (203); when the temperature sensor inside the magnetic adsorption component (100) detects that the temperature exceeds 75°C, the cooling fan (203) starts and blows air onto the heat dissipation fins (201) to accelerate heat dissipation and suppress magnetic force attenuation.
2. The magnetic adsorption type precision stamping die waste automatic separation component according to claim 1, characterized in that: The magnetic adsorption assembly (100) includes an electromagnetic coil (104) wound with high temperature resistant enameled wire, an iron core (102) and an insulating frame (101); the iron core (102) passes through the center of the insulating frame (101), and both ends of the iron core (102) extend into the magnetic channel of the heat dissipation assembly (200).
3. The magnetic adsorption type precision stamping die waste automatic separation component according to claim 1, characterized in that: The heat dissipation fins (201) are 1-3mm thick, 5-10mm apart, and made of aluminum alloy.
4. The magnetic adsorption type precision stamping die waste automatic separation component according to claim 2, characterized in that: The top of the insulating frame (101) is provided with a ceramic insulating block (103), and the ceramic insulating block (103) is fixedly connected to the heat dissipation bracket (202) by insulating bolts, and the contact surface of the two is covered with a nano-ceramic insulating layer.
5. The magnetic adsorption type precision stamping die waste automatic separation component according to claim 1, characterized in that: The heat dissipation bracket (202) has a cross-shaped overhead structure, and its contact surface with the heat dissipation fins (201) is coated with a high thermal conductivity graphene coating.
6. The magnetic adsorption type automatic separation component for precision stamping die waste according to claim 2, characterized in that: The insulating frame (101) has a quick-installation groove at the bottom, which is detachably connected to the mold base by snap-fit bolts, and the inner wall of the installation groove is fitted with shock-absorbing rubber pads.
7. The magnetic adsorption type precision stamping die waste automatic separation component according to claim 1, characterized in that: The cooling fan (203) is driven by a dual-bearing brushless motor, and its air outlet forms a 30° angle with the groove axis of the heat dissipation fins (201), forming a directional airflow channel.