A device for adsorbing iron filings with built-in soft magnetic material

Abstract

This invention discloses an iron filings adsorption device with built-in soft magnetic material, comprising an outer frame, an inner filings box installed at the top opening of the outer frame, and a support frame slidably installed inside the inner filings box along the Z-axis. Several electromagnetic adsorption mechanisms are distributed in a rectangular array on the top wall of the support frame. An active air extraction assembly is installed on one outer wall of the inner filings box, and a vibration removal assembly is installed on one outer wall of the outer frame to drive the support frame and multiple electromagnetic adsorption mechanisms to reciprocate along the Z-axis. This invention uses the active air extraction assembly to actively draw air into the support frame, bringing the air into contact with the electromagnetic adsorption mechanisms. This draws air and iron filings into the magnetic field, causing the iron filings to be adsorbed by the electromagnetic adsorption mechanisms. After use, the electromagnetic adsorption mechanisms are de-energized, and the vibration removal assembly shakes off any remaining iron filings from the electromagnetic adsorption mechanisms, which are then collected by the inner filings box.

Description

Technical Field

[0001] This utility model relates to the field of iron filings adsorption technology, specifically to an iron filings adsorption device with built-in soft magnetic material. Background Technology

[0002] Iron filings adsorption devices play an important role in workshop environments, primarily to improve air quality, protect worker health, ensure normal equipment operation, and achieve resource recycling. Their core function is to effectively reduce dust pollution, lower fire hazards, and improve work environment safety and production efficiency by adsorbing and filtering iron filings from the air. For example, an iron filings adsorption device with built-in soft magnetic material disclosed in patent announcement number CN207970967U includes a soft magnetic device body, a handle, an electrical control box, indicator lights, a first rotary switch, a second rotary switch, support legs, casters, a toolbox, wires, a soft magnetic board box, a soft magnetic tube, a circuit control main board, pulleys, and slide rails. A handle is located on the top of the soft magnetic device body, and an electrical control box is located at one end of the body. An indicator light is installed on one side of the control box, and a first rotary switch is installed below the indicator light. A second rotary switch is installed below the first rotary switch. The rotary switch and the bottom of the soft magnetic plate box are equipped with pulleys. When the soft magnetic tube is energized, a magnetic field is formed around it. When metal filings in the air pass near the magnetic field, they are attracted to the soft magnetic tube. Once a certain amount is reached, the first rotary switch is turned off, de-energizing the soft magnetic tube, causing the magnetism to disappear and the attracted metal filings to fall off. However, in the above technical solution, air does not actively gather near the soft magnetic tube during use, resulting in a low amount of metal filings attracted per unit time. Furthermore, after prolonged use, metal filings accumulate at the bends of the electromagnetic spiral coil. These accumulated metal filings are very difficult to clean, increasing the user's maintenance difficulty and cost, while also affecting the stability and lifespan of the equipment. Utility Model Content

[0003] The purpose of this invention is to provide an iron filings adsorption device with built-in soft magnetic material. Multiple electromagnetic adsorption mechanisms on the top wall of the support frame are activated via a PLC control panel to generate magnetic force. An active air extraction assembly actively draws air into the support frame, bringing the air into contact with the electromagnetic adsorption mechanisms. This draws air, iron filings, and dust into the magnetic field, where the iron filings are adsorbed by the electromagnetic adsorption mechanisms. After use, the electromagnetic adsorption mechanisms are de-energized, and a vibration chip removal assembly shakes off any remaining iron filings from the electromagnetic adsorption mechanisms, which are then collected in an internal chip collection box. This addresses the problems mentioned in the background section.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a chip adsorption device with built-in soft magnetic material, comprising an outer frame, an inner chip collection box installed at the top opening of the outer frame, and a support frame slidably installed inside the inner chip collection box along the Z-axis. A rectangular array of electromagnetic adsorption mechanisms is distributed on the top wall of the support frame. An active air extraction assembly is installed on one side of the outer wall of the inner chip collection box. A vibration chip removal assembly is installed on one side of the outer wall of the outer frame to drive the support frame and multiple electromagnetic adsorption mechanisms to reciprocate along the Z-axis. A PLC control panel is installed on one side of the outer wall of the outer frame. The output terminals of the PLC control panel are electrically connected to the input terminals of the electromagnetic adsorption mechanism, the active air extraction assembly, and the vibration chip removal assembly, respectively.

[0005] Preferably, the electromagnetic adsorption mechanism includes a soft magnetic tube installed on the top wall of the support frame and an electromagnetic coil wound around the outer circumference of the soft magnetic tube, wherein the input end of the electromagnetic coil is electrically connected to the output end of the PLC control panel.

[0006] Preferably, the active air extraction assembly includes an air extraction pipe installed on one side of the outer wall of the inner chip collection box, a filter installed at the lower end of the air extraction pipe, and an air extraction pump installed on one side of the outer wall of the inner chip collection box. The air inlet of the air extraction pump and the exhaust port of the filter are connected to each other. The end of the air extraction pipe away from the filter extends into the interior of the inner chip collection box. The input end of the air extraction pump is electrically connected to the output end of the PLC control panel.

[0007] Preferably, a gap is provided between the inner chip collection box and the outer frame.

[0008] Preferably, the vibration chip removal assembly includes a driven shaft rotatably mounted on the inner wall of one side of the inner chip collection box, a turntable fixed at one end of the driven shaft, and a fork hingedly mounted on the inner wall of the inner chip collection box on one side of the turntable. The two ends of the fork surface are respectively provided with a straight groove and a U-shaped notch. A first protrusion extending to the outside of the straight groove is provided at one edge of the turntable surface. A second protrusion extending to the outside of the U-shaped notch is fixed on one inner wall of the support frame. A rotary drive unit for driving the driven shaft to rotate is installed at the bottom of the outer frame.

[0009] Preferably, the rotary drive unit includes a stepper motor mounted on the inner wall of one side of the outer frame and a sprocket transmission structure installed between the top of the stepper motor drive shaft and one end of the driven shaft. The input end of the stepper motor is electrically connected to the output end of the PLC control panel.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This iron filings adsorption device with built-in soft magnetic material has a structure that includes a support frame, several electromagnetic adsorption mechanisms, an active air extraction assembly, a vibration chip removal assembly, and an inner chip collection box, all working together. The PLC control panel activates multiple electromagnetic adsorption mechanisms on the top wall of the support frame, which simultaneously generate magnetic force. The active air extraction assembly actively draws air into the support frame, bringing the air into contact with the electromagnetic adsorption mechanisms. This draws air and iron filings into the magnetic field, where the iron filings are adsorbed by the electromagnetic adsorption mechanisms. After the device is used, Power is cut off from the electromagnetic adsorption mechanism, and the vibration chip removal assembly shakes off the residual iron filings and collects them in the inner chip collection box. A PLC control panel allows for unified start and stop of multiple electromagnetic adsorption mechanisms, ensuring synchronized operation of all adsorption points. The active air extraction assembly draws air into the support frame, creating a continuous airflow that actively carries iron filings and dust into the electromagnetic adsorption area. This active airflow guidance helps create a stable and concentrated airflow, ensuring that iron filings and dust fully enter the magnetic field, thereby improving adsorption efficiency. Compared to passive adsorption, active air extraction more effectively captures iron filings and dust scattered in the working environment, reducing dust floating and spreading in the air. Furthermore, after use, power is cut off, the magnetic field disappears, and iron filings are no longer adsorbed, facilitating subsequent cleaning. The vibration chip removal assembly uses mechanical vibration to shake off residual iron filings from the surface of the electromagnetic adsorption mechanism, preventing excessive accumulation of iron filings that could reduce adsorption efficiency or cause equipment blockage. This mechanical vibration method has the advantages of simple operation, high efficiency, and no need for additional consumables. It can quickly complete the chip removal task and ensure that the adsorption mechanism always maintains a good working condition. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0013] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0014] Figure 4 This is a schematic diagram of the three-dimensional structure of the vibration chip removal system of this utility model;

[0015] Figure 5 This utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0016] In the diagram: 1. Outer frame; 101. Gap section; 2. Inner chip collection box; 3. Support frame; 301. Second protrusion; 4. Electromagnetic adsorption mechanism; 401. Soft magnetic tube; 402. Electromagnetic coil; 5. Active air extraction assembly; 501. Air extraction pipe; 502. Filter; 503. Air pump; 6. Vibration chip removal assembly; 601. Stepper motor; 602. Sprocket drive structure; 603. Driven shaft; 604. Turntable; 605. Shift fork; 606. First protrusion; 607. U-shaped notch; 7. PLC control panel. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0018] Please see Figure 1-5 An embodiment of this utility model is provided: an iron filings adsorption device with built-in soft magnetic material, including an outer frame 1, an inner filings box 2 installed at the top opening of the outer frame 1, and a support frame 3 slidably installed inside the inner filings box 2 along the Z-axis direction, with a gap 101 provided between the inner filings box 2 and the outer frame 1.

[0019] A rectangular array of electromagnetic adsorption mechanisms 4 is distributed on the top wall of the support frame 3. An active air extraction assembly 5 is installed on one side of the outer wall of the inner chip collection box 2. A vibration chip removal assembly 6 is installed on one side of the outer wall of the outer frame 1 to drive the support frame 3 and multiple electromagnetic adsorption mechanisms 4 to slide back and forth along the Z-axis. A PLC control panel 7 is installed on one side of the outer wall of the outer frame 1. The output terminal of the PLC control panel 7 is electrically connected to the input terminals of the electromagnetic adsorption mechanism 4, the active air extraction assembly 5, and the vibration chip removal assembly 6, respectively.

[0020] The electromagnetic adsorption mechanism 4 includes a soft magnetic tube 401 mounted on the top wall of the support frame 3 and an electromagnetic coil 402 wound around the outer circumference of the soft magnetic tube 401. The input end of the electromagnetic coil 402 is electrically connected to the output end of the PLC control panel 7. When the electromagnetic coil 402 is powered on, current flows through the coil, generating a closed magnetic field circuit. Since the space around the coil is surrounded by a magnetic field, the strength of the magnetic field depends on the magnitude of the current and the number of turns of the coil. The high permeability of the soft magnetic tube 401 causes the magnetic lines of force to concentrate along its interior and surface, greatly enhancing the concentration and strength of the magnetic field. The strong magnetic field acts on iron filings or other magnetic particles, causing the iron filings to be attracted by the magnetic force, move along the magnetic field lines, and concentrate in the adsorption area.

[0021] The active extraction assembly 5 includes an extraction pipe 501 installed on one side of the outer wall of the inner chip collection box 2, a filter 502 installed at the lower end of the extraction pipe 501, and an extraction pump 503 installed on one side of the outer wall of the inner chip collection box 2. The air inlet of the extraction pump 503 and the exhaust port of the filter 502 are connected to each other. The end of the extraction pipe 501 away from the filter 502 extends into the interior of the inner chip collection box 2. The input terminal of the extraction pump 503 is electrically connected to the output terminal of the PLC control panel 7. 5. During operation, the air pump 503 starts working and generates negative pressure in the air extraction pipe 501, which draws air into the air extraction pipe 501 and the filter 502. The active air extraction assembly 5 can continuously remove iron filings and dust from the air, effectively reducing the concentration of suspended iron filings in the air, improving the air quality in the workshop, and reducing the harm of dust to workers' health. In addition, the filter 502 is used to prevent iron filings and dust from entering the air pump 503, so as to extend the service life of the air pump 503.

[0022] The vibration chip removal assembly 6 includes a driven shaft 603 rotatably mounted on one side of the inner chip collection box 2, a turntable 604 fixed at one end of the driven shaft 603, and a fork 605 hinged to the inner wall of the inner chip collection box 2 on one side of the turntable 604. The two ends of the surface of the fork 605 are respectively provided with a straight groove and a U-shaped notch 607. A first protrusion 606 extending through to the outside of the straight groove is provided at one edge of the surface of the turntable 604. A second protrusion 301 for extending through to the outside of the U-shaped notch 607 is fixed on one side of the inner wall of the support frame 3. A rotary drive unit for driving the driven shaft 603 to rotate is installed at the bottom of the outer frame 1. The rotary drive unit includes a stepper motor 601 mounted on one side of the inner wall of the outer frame 1 and a sprocket transmission structure 602 installed between the top of the drive shaft of the stepper motor 601 and one end of the driven shaft 603. The input end of the stepper motor 601 is electrically connected to the output end of the PLC control panel 7.

[0023] After the iron filings are adsorbed, the operator starts the stepper motor 601 through the PLC control panel 7. The drive shaft of the stepper motor 601 drives the driven shaft 603 and the turntable 604 to rotate through the sprocket transmission structure 602. Since the first protrusion 606 is located in the straight slot of the shift fork 605, when the first protrusion 606 revolves around the central axis of the driven shaft 603, it will force the shift fork 605 to swing back and forth. Through the U-shaped notch 607 and the second protrusion 301, the support frame 3 and the electromagnetic adsorption mechanism 4 will perform reciprocating Z-axis lifting and lowering movements to continuously shake off the iron filings stuck at the bending position of the electromagnetic coil 402. At this time, all the iron filings fall into the inner chip collection box 2.

[0024] In this embodiment, the power connection of the device is first ensured to be normal to avoid the device failing to start due to power problems. The system is initialized via the PLC control panel 7 to check the device status and confirm there are no faults or abnormal alarms. At this time, the PLC control panel 7 displays that all electromagnetic adsorption mechanisms 4, active air extraction assembly 5, and vibration chip removal assembly 6 are in standby mode. The PLC control panel 7 then activates all electromagnetic adsorption mechanisms 4 to start working synchronously and drives the active air extraction assembly 5 to perform air extraction. After the electromagnetic adsorption mechanism 4 is energized, it forms a magnetic field that attracts iron filings and dust from the air to the adsorption area. The active air extraction assembly 5 also generates airflow, carrying away air and iron filings / dust. The electromagnetic adsorption mechanism 4 is introduced into the adsorption area to ensure that the dust is fully brought into the magnetic field range. When the adsorption task is completed or the preset adsorption time is reached, the operator should turn off the power of the electromagnetic adsorption mechanism 4 through the PLC control panel 7 to disconnect the magnetic field. Then, the vibration chip removal assembly 6 is started. The vibration chip removal assembly 6 causes the iron filings remaining on the surface of the electromagnetic adsorption mechanism 4 to vibrate and fall off, avoiding excessive accumulation of iron filings that would affect the adsorption efficiency. The iron filings that are vibrated and shaken off will fall into the inner chip collection box 2. During this process, some iron filings are still adsorbed by the active air extraction assembly 5. After adsorption and cleaning are completed, the operator should turn off all components through the PLC control panel 7 to ensure that the device stops completely and perform maintenance.

Claims

1. A device for adsorbing iron filings with built-in soft magnetic material, characterized in that: The device includes an outer frame (1), an inner chip collection box (2) installed at the top opening of the outer frame (1), and a support frame (3) that is slidably installed inside the inner chip collection box (2) along the Z-axis. Several electromagnetic adsorption mechanisms (4) are distributed in a rectangular array on the top wall of the support frame (3). An active air extraction assembly (5) is installed on one side of the outer wall of the inner chip collection box (2). A vibration chip removal assembly (6) for driving the support frame (3) and multiple electromagnetic adsorption mechanisms (4) to slide back and forth along the Z-axis is installed on one side of the outer wall of the outer frame (1). A PLC control panel (7) is installed on one side of the outer wall of the outer frame (1). The output end of the PLC control panel (7) is electrically connected to the input end of the electromagnetic adsorption mechanism (4), the active air extraction assembly (5), and the vibration chip removal assembly (6).

2. The iron filings adsorption device with built-in soft magnetic material according to claim 1, characterized in that: The electromagnetic adsorption mechanism (4) includes a soft magnetic tube (401) installed on the top wall of the support frame (3) and an electromagnetic coil (402) wound around the outer circumference of the soft magnetic tube (401). The input end of the electromagnetic coil (402) is electrically connected to the output end of the PLC control panel (7).

3. The iron filings adsorption device with built-in soft magnetic material according to claim 1, characterized in that: The active air extraction assembly (5) includes an air extraction pipe (501) installed on the outer wall of one side of the inner chip collection box (2), a filter (502) installed at the lower end of the air extraction pipe (501), and an air extraction pump (503) installed on the outer wall of one side of the inner chip collection box (2). The air inlet of the air extraction pump (503) and the exhaust port of the filter (502) are connected to each other. The end of the air extraction pipe (501) away from the filter (502) extends into the interior of the inner chip collection box (2). The input end of the air extraction pump (503) is electrically connected to the output end of the PLC control panel (7).

4. The iron filings adsorption device with built-in soft magnetic material according to claim 1, characterized in that: A gap (101) is provided between the inner chip collection box (2) and the outer frame (1).

5. The iron filings adsorption device with built-in soft magnetic material according to claim 1, characterized in that: The vibration chip removal assembly (6) includes a driven shaft (603) rotatably mounted on the inner wall of one side of the inner chip collection box (2), a turntable (604) fixed at one end of the driven shaft (603), and a fork (605) hinged to the inner wall of the inner chip collection box (2) on one side of the turntable (604). The two ends of the surface of the fork (605) are respectively provided with a straight groove and a U-shaped notch (607). A first protrusion (606) penetrating to the outside of the straight groove is provided at one edge of the surface of the turntable (604). A second protrusion (301) for penetrating to the outside of the U-shaped notch (607) is fixed on one side of the inner wall of the support frame (3). A rotary drive unit for driving the driven shaft (603) to rotate is installed at the bottom of the outer frame (1).

6. The iron filings adsorption device with built-in soft magnetic material according to claim 5, characterized in that: The rotary drive unit includes a stepper motor (601) mounted on the inner wall of one side of the outer frame (1) and a sprocket transmission structure (602) mounted between the top of the drive shaft of the stepper motor (601) and one end of the driven shaft (603). The input end of the stepper motor (601) is electrically connected to the output end of the PLC control panel (7).

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