A device for automatically cleaning a magnetically attracted object

Abstract

The utility model discloses a kind of devices of automatically cleaning magnet adsorbed object, it is applicable to magnet cleaning on cigarette silk making workshop conveying belt, the device includes mounting seat, composite cleaning unit, driving assembly and dust collection storage box.Composite cleaning unit is composed of rigid scraping part and flexible brush sweeping part, auxiliary magnetic field generated in combination with electromagnetic coil, enhance the disturbance and desorption capacity of magnet surface metal impurities.Driving assembly drives cleaning unit to reciprocate relative to magnet, realize automatic mechanical brush sweeping.Dust collection storage box cooperates with impurity guide structure, effectively collects the metal and dust impurities swept down, is convenient for maintenance management.The device can improve magnet cleaning efficiency, reduce manual shutdown cleaning, reduce safety risk, guarantee conveying system material purity and production continuity.

Description

Technical Field

[0001] This utility model belongs to the technical field of cigarette production equipment, specifically relating to a device for automatically cleaning magnetically adsorbed materials. Background Technology

[0002] In the tobacco processing workshop of a cigarette factory, to ensure the purity of materials during the tobacco conveying process, many conveyor belts are equipped with magnetic blocks to adsorb magnetic impurities such as iron filings, screws, and metal fragments that may be mixed in during raw material transportation. If these magnetic impurities enter subsequent processing stages such as cutting, flavoring, and watering, they may cause serious damage to equipment or become part of the final product, affecting cigarette quality and even posing safety hazards. Therefore, magnets, as important protective devices, play a crucial role in impurity interception and quality assurance throughout the entire production chain.

[0003] However, as the conveyor system operates for extended periods, metallic foreign objects continuously accumulate on the magnet's surface. This not only reduces the effective adsorption area of ​​the magnet but also decreases its adsorption capacity, thereby reducing the efficiency of capturing newly entering impurities. More seriously, long-term accumulated impurities may detach under vibration, friction, or airflow disturbances, re-entering the conveyor belt and causing secondary contamination. This damages the cleanliness and stability of the fiber-making system, affecting the processing quality of subsequent processes and the equipment's lifespan.

[0004] Currently, the magnets used to adsorb metallic impurities in wire-making workshops still rely primarily on manual cleaning during regular shutdowns. This method suffers from low cleaning efficiency, high reliance on manual labor, and disruptions to production continuity. Particularly in high-speed production lines, frequent shutdowns not only reduce the production cycle time but also easily lead to incomplete cleaning, resulting in impurities remaining or detaching and causing secondary pollution. Furthermore, manual cleaning requires operators to be close to the magnetic parts, posing certain safety hazards.

[0005] This application is submitted to address the aforementioned issues. Utility Model Content

[0006] To address the problems of low cleaning efficiency, reliance on manual shutdown for cleaning, and incomplete cleaning in existing technologies involving the adsorption of metallic impurities on magnet surfaces, this invention provides a composite cleaning unit that combines rigid scraping with flexible brushing to achieve mechanical cleaning of adsorbed substances (magnets, dust, etc.) on magnet surfaces. An auxiliary magnetic field is generated by an electromagnetic coil to enhance the disturbance and desorption of metallic impurities. A drive component enables the cleaning device to reciprocate relative to the magnet structure, achieving automatic reciprocating brushing. Combined with a dust collection box and impurity guiding structure, it facilitates impurity collection and maintenance, thereby improving the automation and reliability of the cleaning process.

[0007] The technical solution adopted in this utility model is as follows:

[0008] A device for automatically cleaning magnetically attracted objects is provided, comprising:

[0009] Mounting base 1 is used to surround the bottom and side walls of the magnet structure M during cleaning operations. The mounting base 1 is provided with a composite cleaning unit 2, which includes a rigid cleaning part 21 and a flexible brushing part 22 arranged sequentially in the cleaning direction; a driving assembly (3), whose driving end is connected to one end of the mounting base 1, is used to drive the mounting base 1 and the composite cleaning unit 2 to reciprocate and perform brushing operations relative to the magnet structure M; a dust collection box 4 is detachably connected to the bottom of the mounting base 1. The mounting base 1 is provided with an impurity guiding passage that communicates with the dust collection box 4, for collecting metal and dust impurities that fall during the cleaning process.

[0010] Preferably, the mounting base 1 has a U-shaped structure, including a bottom and two oppositely arranged side walls. The bottom is an open structure, and a support frame 11 is provided above the open area. The support frame 11 spans the bottom open area, and its two ends are respectively fixedly connected to the bottom inner surfaces of the two side walls of the mounting base 1 to support the composite cleaning unit. The top of the support frame 11 is provided with a plurality of cleaning strip seats 111 arranged in an array along the cleaning direction and flow strips 112 arranged at intervals therewith. The cleaning strip seats 111 are used to install and support the composite cleaning unit. The flow strips 112 are hollow structures, and their internal channels are connected to the dust collection box 4 through the open channel at the bottom of the mounting base 1 to receive and guide metal impurities and dust particles falling during the cleaning process.

[0011] Preferably, the inner surfaces of the two side walls of the mounting base 1 and the top of the support frame 11 are provided with composite cleaning units, the composite cleaning units comprising a rigid cleaning part 21 and a flexible brushing part 22 in sequence; a guide gap 12 is provided between the support frame 11 and the bottom of the two side walls to guide metal impurities and dust particles generated during the side wall brush cleaning process into the dust collection box 4.

[0012] Preferably, the rigid cleaning part 21 is a copper sheet brush mounted on the cleaning strip seat 111, and the copper sheet brush on each cleaning strip seat 111 includes one or more reverse scale-like copper sheets 211; the edges of the copper sheets 211 form a blade structure facing the opposite direction of the sweeping movement, which is used to enhance the scraping effect on the surface of the magnetic structure M; wherein when there are multiple copper sheets 211, adjacent copper sheets overlap each other; the flexible brush sweeping part 22 is a bristle brush, which is disposed behind the copper sheet brush and is used to sweep away small impurities that the copper sheet brush cannot remove.

[0013] Preferably, the copper brush is a copper brush with an open structure, the open structure is located in the root region of the copper brush, and an electromagnetic coil is embedded in the open structure to generate an auxiliary magnetic field to enhance the disturbance and desorption effect on the metal particles on the surface of the magnet structure.

[0014] Preferably, the drive component 3 is an electric actuator structure, with its drive end connected to the mounting base 1, for controlling the cleaning device to reciprocate within a preset cycle.

[0015] Preferably, the dust collection box 4 is detachably connected to the bottom of the mounting base 1 via a snap-fit ​​structure, a slide rail structure, or a threaded connection structure. The connection structure is located at the bottom edge of the mounting base 1 and the corresponding connection part of the dust collection box 4, so as to facilitate the quick disassembly and installation of the dust collection box 4, and to facilitate the cleaning of impurities and the maintenance of the device.

[0016] Preferably, the device further includes a control module. The electromagnetic coil is connected to the control module via an insulated wire, and the electric push rod of the drive component 3 is also connected to the control module. The control module is used to adjust the strength and activation time of the auxiliary magnetic field generated by the electromagnetic coil, and to control the electric push rod to reciprocate within a preset cycle, so as to achieve efficient disturbance of impurities on the magnet surface and synchronous cleaning operation of mechanical brushing.

[0017] The advantages of this utility model over the prior art are as follows:

[0018] 1. This utility model device combines rigid scraping and flexible brushing through a composite cleaning unit to achieve comprehensive mechanical cleaning of the adsorbed substances on the surface of the magnet. With the reciprocating motion of the drive component, it can automatically complete the cleaning during the production process, reduce manual downtime and intervention, and improve production continuity.

[0019] 2. The rigid copper blade brush of this utility model has a reverse scale-like blade structure, which effectively scrapes off firmly attached metal foreign objects, while the flexible brush sweeps away fine dust and residual impurities. The two work together to significantly improve the cleaning effect.

[0020] 3. The rigid copper brush of this utility model has an embedded electromagnetic coil that generates an auxiliary magnetic field, which enhances the disturbance and desorption of metal particles on the surface of the magnet, effectively prevents the accumulation of impurities and secondary pollution, and improves the stability of the magnet adsorption efficiency.

[0021] 4. The dust collection box works in conjunction with the impurity guide channel to ensure that the metal and dust impurities that fall during cleaning are effectively collected. It can be quickly disassembled and cleaned through structures such as buckles, slide rails or threads, which is convenient for maintenance and management. The mounting base adopts a U-shaped structure, and the composite cleaning unit covers the bottom and side walls of the magnet to achieve multi-faceted cleaning.

[0022] 5. The automated cleaning of this utility model reduces the frequency of human contact with strong magnetic fields and moving parts, thus reducing safety risks. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a top view of the device of this utility model;

[0025] Figure 2 This is a front view of the device of this utility model;

[0026] Figure 3 This is a rear view of the device of this utility model;

[0027] Figure 4 yes Figure 1 Schematic diagram of section AA in the diagram;

[0028] Reference numerals: M, magnet structure; 1, mounting base; 11, support frame; 111, cleaning strip seat; 112, flow strip; 12, guide gap; 21, rigid cleaning part; 211, copper sheet; 22, flexible brush sweeping part; 3, drive assembly; 4, dust collection box. Detailed Implementation

[0029] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1

[0031] This embodiment provides an automatic cleaning device for magnetically attracted materials, used for cleaning square magnets on conveyor belts in cigarette manufacturing workshops. The device includes:

[0032] Mounting base 1, with a U-shaped structure, is used to surround the bottom and two side walls of the magnet structure M. Mounting base 1 consists of a bottom and two oppositely arranged side walls. The bottom has an opening structure, and a support frame 11 spans across the top of the opening. The two ends of the support frame 11 are fixedly connected to the inner sides of the bottom of the two side walls of the mounting base 1 to support the composite cleaning unit.

[0033] The composite cleaning unit 2 is installed on the inner wall (i.e., both side walls) of the mounting base 1 and the top of the support frame 11, and is used to simultaneously clean the bottom and side surfaces of the magnetic structure M. The top of the support frame 11 is provided with multiple cleaning strips 111 arranged in an array along the cleaning direction, divided into front and rear sections according to the cleaning direction. Rigid cleaning parts 21 are installed on the front cleaning strips 111, and flexible brushing parts 22 are installed on the rear cleaning strips 111, thus forming a "scraping-brushing" cleaning path. The two side walls of the mounting base 1 are flat structures, and their inner surfaces are also divided into front and rear sections along the cleaning direction. Rigid cleaning parts 21 are fixedly installed in the front section, and flexible brushing parts 22 are installed in the rear section, with the front-to-back arrangement consistent with the top of the support frame. The rigid cleaning part 21 is a reverse-scale copper brush with a blade structure facing the opposite direction of cleaning to enhance scraping ability. An opening for embedding an electromagnetic coil is provided at the root to generate a disturbing magnetic field. The flexible brush sweeping part 22 is a bristle brush used to sweep away residual dust and fine metal particles after scraping, achieving a three-dimensional cleaning effect on the bottom and sides of the magnetic structure M. The top of the support frame 11 is also provided with several flow strips 112 arranged in an array along the cleaning direction and spaced apart from the cleaning strip seat 111;

[0034] The drive assembly 3, with its drive end connected to the mounting base 1, is used to drive the cleaning device to reciprocate relative to the magnet structure M. The drive assembly is preferably an electric actuator structure.

[0035] The dust collection box 4 is detachably connected to the bottom of the mounting base 1 and is fixed by a snap-fit, slide rail, or threaded connection structure. The bottom opening area of ​​the mounting base is provided with a flow strip 112, and the internal channel of the flow strip is connected to the dust collection box to form a debris guiding channel for collecting metal and dust debris that falls during the cleaning process.

[0036] The control module, connected to the electromagnetic coil and the electric actuator of the drive assembly, is used to adjust the strength and activation time of the auxiliary magnetic field generated by the electromagnetic coil, and to control the drive assembly to perform reciprocating motion within a preset cycle.

[0037] Working process and principle

[0038] A magnetic structure M installed above the conveyor belt in the cigarette manufacturing workshop continuously adsorbs magnetic impurities such as iron filings, screws, and metal fragments that are mixed in during the conveying process. As production continues, these impurities gradually accumulate on the surface of the magnet, affecting the adsorption efficiency.

[0039] This device is installed on one side of the magnet structure M. An external bracket secures the non-driving end of the drive assembly 3, positioning the mounting base 1 to the side of the magnet structure M with its opening aligned. The opening of the U-shaped structure faces the magnet. When not in operation, the mounting base 1 does not surround the magnet structure but remains in a standby position on one side, avoiding obstruction of the magnet surface and effectively ensuring the magnet's normal adsorption function for metal impurities during conveying operations.

[0040] When the control module issues a cleaning command, the drive assembly 3 starts, and the electric actuator drives the mounting base 1 and the composite cleaning unit 2 it carries forward along the slide rail, gradually moving the mounting base to the bottom and side walls of the magnet-covered structure M, achieving complete alignment of the cleaning coverage area. After the device enters the working state, the cleaning units function in sequence:

[0041] The rigid cleaning section 21 (reverse scale-shaped copper brush) at the front first contacts the surface of the magnet, and its blade structure can powerfully scrape off firmly attached iron filings, screws, metal fragments, etc.

[0042] The flexible brush section 22 (brush) that follows then brushes away any remaining fine dust and impurities to ensure that the magnet surface is thoroughly cleaned without leaving any dead corners.

[0043] To further improve the efficiency of impurity removal, an opening is provided at the base of the copper brush, with an electromagnetic coil embedded inside. This electromagnetic coil is powered by the control module and generates an alternating auxiliary magnetic field during cleaning. This magnetic field is used to disturb the impurities adsorbed on the surface of the magnet, enhancing their removal ability. Combined with mechanical scraping and brushing, this effectively improves the cleaning effect and reduces the risk of impurity residue and re-adsorption.

[0044] Metal impurities and dust particles generated during the cleaning process are guided into the dust collection box 4 through the bottom opening area of ​​the mounting base 1 and along the flow strip 112 located on the top of the support frame. This achieves centralized collection of impurities and prevents them from falling back into the conveying path and causing secondary pollution. The dust collection box 4 is detachably connected to the bottom of the mounting base via a snap-fit, sliding rail, or threaded structure, facilitating quick disassembly, cleaning, and maintenance.

[0045] After the cleaning operation is completed, the electric actuator drives the mounting base 1 back to its original standby position, restoring the magnet to an unobstructed state and allowing it to continue its adsorption task. The entire cleaning process is uniformly coordinated and controlled by the control module. Parameters such as the strength and duration of the auxiliary magnetic field and the reciprocating cycle of the electric actuator can be adjusted according to the process settings, thereby achieving periodic automatic and efficient cleaning of the magnet structure, reducing manual intervention, and ensuring the continuity, stability, and purity of the tobacco production line.

[0046] Of course, the above description is not intended to limit the present utility model, nor is the present utility model limited to the examples given above. Any changes, alterations, additions or substitutions made by those skilled in the art within the scope of the present utility model should be protected by the present utility model.

Claims

1. A device for automatically cleaning a magnetically attracted object, characterized by, include: Mounting base (1) is used to surround the bottom and side walls of the magnet structure (M) during cleaning operations. The mounting base (1) is provided with a composite cleaning unit (2). The composite cleaning unit (2) includes a rigid cleaning part (21) and a flexible brushing part (22) arranged sequentially in the cleaning direction. The drive assembly (3) has its drive end connected to one end of the mounting base (1) and is used to drive the mounting base (1) and the composite cleaning unit (2) to reciprocate and perform brushing operations relative to the magnet structure (M). The dust collection box (4) is detachably connected to the bottom of the mounting base (1). The mounting base (1) is provided with an impurity guiding passage that communicates with the dust collection box (4) for collecting metal and dust impurities that fall during the cleaning process.

2. The apparatus according to claim 1, characterized in that, The mounting base (1) is a U-shaped structure, including a bottom and two oppositely arranged side walls. The bottom is an open structure, and a support frame (11) is provided above its open area. The support frame (11) spans the bottom opening area, and its two ends are respectively fixedly connected to the bottom inner side of the two side walls of the mounting base (1) to support the composite cleaning unit; The top of the support frame (11) is provided with a number of cleaning strip seats (111) arranged in an array along the cleaning direction and flow strips (112) arranged at intervals therebetween. The cleaning strip seat (111) is used to install and support the composite cleaning unit. The flow strip (112) is a hollow structure. Its internal channel is connected to the dust collection box (4) through the opening channel at the bottom of the mounting seat (1). It is used to receive and guide metal impurities and dust particles falling during the cleaning process.

3. The apparatus according to claim 2, characterized in that, The inner surfaces of the two side walls of the mounting base (1) and the top of the support frame (11) are provided with composite cleaning units. The composite cleaning unit includes a rigid cleaning part (21) and a flexible brushing part (22) in sequence. A guide gap (12) is provided between the support frame (11) and the bottom of the two side walls to guide the metal impurities and dust particles generated during the side wall brush cleaning process into the dust collection box (4).

4. The apparatus according to claim 1, characterized in that, The rigid cleaning part (21) is a copper brush mounted on a cleaning strip (111). Each copper brush on the cleaning strip (111) includes one or more reverse scale-like copper strips (211). The edges of the copper strips (211) form a blade structure facing the opposite direction of the cleaning motion to enhance the scraping effect on the surface of the magnetic structure (M). When there are multiple copper strips (211), adjacent copper strips overlap each other. The flexible brush sweeping part (22) is a brush, which is located behind the copper sheet brush and is used to sweep away small impurities that the copper sheet brush cannot remove.

5. The apparatus according to claim 4, characterized in that, The copper brush is a copper brush with an open structure. The open structure is located in the root region of the copper brush. An electromagnetic coil is embedded in the open structure to generate an auxiliary magnetic field to enhance the disturbance and desorption effect on the metal particles on the surface of the magnet structure.

6. The apparatus according to claim 1, characterized in that, The drive assembly (3) is an electric actuator structure, and its drive end is connected to the mounting base (1) to control the mounting base (1) to reciprocate within a preset period.

7. The apparatus according to claim 1, characterized in that, The dust collection box (4) is detachably connected to the bottom of the mounting base (1) via a snap-fit ​​structure, a slide rail structure or a threaded connection structure. The connection structure is set at the bottom edge of the mounting base (1) and the corresponding connection part of the dust collection box (4) so ​​as to facilitate the quick disassembly and installation of the dust collection box (4) and facilitate the cleaning of impurities and the maintenance of the device.

8. The apparatus according to claim 5, characterized in that, The device also includes a control module. The electromagnetic coil is connected to the control module via an insulated wire. The electric push rod of the drive component (3) is also connected to the control module. The control module is used to adjust the strength and opening time of the auxiliary magnetic field generated by the electromagnetic coil, and to control the electric push rod to reciprocate within a preset cycle, so as to achieve efficient disturbance of impurities on the magnet surface and synchronous cleaning operation of mechanical brushing.

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