Magnetic selection type air inlet structure for dust collector

Abstract

This utility model relates to a magnetically separated air inlet structure for a dust collector. The magnetically separated air inlet structure includes an air inlet box connected to the side of the dust collector housing, an air inlet connected to the side of the air inlet box away from the dust collector housing, and a storage box installed at the bottom of the air inlet box. The top of the storage box communicates with the air inlet box. The storage box is used to store the magnetically separated metal fragments. A cylindrical electromagnet is installed above the storage box inside the air inlet box. The cylindrical electromagnet is horizontally arranged and perpendicular to the air inlet direction. A driving mechanism is provided on the air inlet box. This utility model utilizes the magnetic attraction effect generated by the energized cylindrical electromagnet to attract and hold the metal cutting fragments. After the cutting and dust removal is completed, the power to the cylindrical electromagnet is turned off, causing its magnetism to disappear. The metal cutting fragments adsorbed on the cylindrical electromagnet fall downwards into the storage box for collection, thus achieving magnetic separation of metal cutting fragments during air inlet dust removal.

Description

Technical Field

[0001] This utility model relates to the field of dust collector technology, specifically to a magnetic air inlet structure for a dust collector. Background Technology

[0002] Laser cutting equipment generates a large amount of smoke, dust, and debris when cutting metal materials. Therefore, a dust collector is needed to collect and treat the smoke and dust generated by laser cutting. Existing laser cutting dust collectors mainly use impellers or fans to create negative pressure inside the dust collector housing. The smoke, dust, and cutting debris generated by laser cutting are sucked into the dust collector housing through the air inlet and filtered by the filter cartridges built into the dust collector housing to remove debris and dust, thereby purifying the air. Finally, the filtered dust and debris are discharged through the drain outlet.

[0003] In existing technologies, when using a dust collector to treat the smoke and dust generated by laser cutting, some metal shavings are also sucked into the dust collector housing. Excessive accumulation of some large metal shavings can easily cause blockage inside the dust collector housing. In addition, in order to recycle and reuse the shavings, it is necessary to sort the metal shavings and other dirt and impurities, which adds a process and is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of this invention is to provide a magnetic air inlet structure for a dust collector, which effectively solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution.

[0006] A magnetic separation air inlet structure for a dust collector includes an air inlet box connected to the side of the dust collector housing, an air inlet connected to the side of the air inlet box away from the dust collector housing, and a storage box installed at the bottom of the air inlet box. The top of the storage box is connected to the air inlet box. The storage box is used to store the magnetically separated metal debris particles. A cylindrical electromagnet is installed above the storage box inside the air inlet box. The cylindrical electromagnet is horizontally arranged and perpendicular to the air inlet direction. A driving mechanism is provided on the air inlet box to drive the cylindrical electromagnet to rotate inside the air inlet box.

[0007] Therefore, by using a cylindrical electromagnet to generate a magnetic attraction effect when energized, the metal cutting debris particles are attracted and held in place. After the cutting and dust removal process is completed, the power to the cylindrical electromagnet is turned off, causing its magnetism to disappear. The metal cutting debris particles adsorbed on the cylindrical electromagnet fall downwards into the storage box for collection. This achieves magnetic separation of metal cutting debris particles during air intake dust removal. By pre-screening the magnetic metals before the air intake filtration, excessive accumulation of metals in the dust collector box and blockage can be avoided. In addition, pre-magnetic separation eliminates the need for subsequent metal particle screening, reducing processes and saving time and labor.

[0008] Furthermore, several metal plates are arranged in an array around the axis of the cylindrical electromagnet on its outer peripheral surface, and the outer wall of the cylindrical electromagnet forms a collection area between two adjacent metal plates.

[0009] Furthermore, the drive mechanism includes a shaft, a mounting bracket, and a drive motor. The shaft is rotatably mounted inside the air inlet box, with one end extending through to the outside of the air inlet box. A cylindrical electromagnet is fixedly mounted on the shaft. The drive motor is fixed to the side of the air inlet box via the mounting bracket, and the output shaft of the drive motor is fixedly connected to the end of the shaft located outside the air inlet box.

[0010] Furthermore, the bottom of the air inlet box is symmetrically equipped with guide ramps on both sides of the storage box, and both guide ramps are inclined towards one side of the storage box.

[0011] Furthermore, the storage box has a drain outlet at the bottom and an insertion slot on the side of the storage box. A sealing plate for blocking the drain outlet is slidably inserted into the insertion slot, and a handle is fixed to the side of the sealing plate.

[0012] Furthermore, when the sealing plate is inserted into the insertion slot to its final position, three of the sealing plate's surfaces respectively align with three of the inner wall surfaces of the storage box.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows.

[0014] 1. This utility model utilizes the magnetic attraction effect generated by the energized cylindrical electromagnet to attract and retain the metal cutting debris particles. After the cutting and dust removal is completed, the power to the cylindrical electromagnet is turned off to make its magnetism disappear. The metal cutting debris particles adsorbed on the cylindrical electromagnet fall downward into the storage box for collection, thus realizing the magnetic separation of metal cutting debris particles during air intake dust removal.

[0015] 2. This utility model pre-screens magnetic metals before the air inlet filter, preventing excessive accumulation and blockage within the dust collector housing. Furthermore, pre-magnetic separation eliminates the need for subsequent metal particle screening, reducing steps and saving time and effort. Moreover, magnetic separation of metal fragments before dust filtration prevents some sparking metal fragments from laser cutting from entering the dust collector housing and igniting flammable materials, further improving the safety performance of the dust collector—a win-win situation.

[0016] 3. This utility model uses a driving mechanism to rotate a cylindrical electromagnet, thereby achieving rotary magnetic separation. This allows metal debris particles to be evenly magnetically distributed on the cylindrical electromagnet, preventing excessive accumulation of debris particles in certain areas that would affect the magnetic attraction effect. By adding multiple metal plates in an array on the outer wall of the cylindrical electromagnet, the metal plates can rotate synchronously with the cylindrical electromagnet. The metal plates are magnetic metals, and they have a magnetic attraction effect after contacting the cylindrical electromagnet, thereby expanding the magnetic attraction range within the air inlet box and improving the capture ability of metal debris particles. Furthermore, a collection area is formed between two metal plates for the separate collection of metal debris particles, further ensuring the uniform distribution of debris particles on the cylindrical electromagnet, thus effectively improving the magnetic separation capacity and quality of metal debris particles. Attached Figure Description

[0017] Figure 1 A schematic diagram showing the installation position of the magnetic air inlet structure provided by this utility model;

[0018] Figure 2 This is a schematic diagram of the overall magnetic air intake structure in this utility model;

[0019] Figure 3 This is a cross-sectional schematic diagram of the magnetic air inlet structure in this utility model;

[0020] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the middle;

[0021] Figure 5 This is a detailed structural diagram of the drive mechanism in this utility model.

[0022] In the diagram: 01, dust collector housing; 1, air inlet box; 101, material guide ramp; 2, air inlet; 3, storage box; 31, outlet; 32, insert slot; 33, sealing plate; 331, handle; 4, cylindrical electromagnet; 41, metal plate; 42, collection area; 5, drive mechanism; 51, shaft; 52, mounting bracket; 53, drive motor. Detailed Implementation

[0023] 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.

[0024] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection" and "installation" should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Furthermore, "connection" can be a direct connection or an indirect connection through an intermediate medium. "Fixed" means that the relative positional relationship remains unchanged after the connection. The directional terms mentioned in the embodiments of this utility model, such as "inner," "outer," "top," and "bottom," are only for reference to the directions in the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of this utility model, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0025] In this embodiment of the invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.

[0026] Please see Figures 1-5 This utility model provides a magnetic separation air inlet structure for a dust collector. The magnetic separation air inlet structure includes an air inlet box 1 connected to the side of the dust collector housing 01, an air inlet 2 connected to the side of the air inlet box 1 away from the dust collector housing 01, and a storage box 3 installed at the bottom of the air inlet box 1. The top of the storage box 3 is connected to the air inlet box 1. The storage box 3 is used to store the metal debris particles separated by magnetic separation. A cylindrical electromagnet 4 is installed in the air inlet box 1 above the storage box 3. The cylindrical electromagnet 4 is arranged horizontally and perpendicular to the air inlet direction. A driving mechanism 5 is provided on the air inlet box 1. The driving mechanism 5 is used to drive the cylindrical electromagnet 4 to rotate in the air inlet box 1.

[0027] When the dust collector is working, the smoke, dust and cutting debris generated by laser cutting are drawn into the air inlet 2 into the air inlet box 1, and then into the dust collector housing 01. The filter cartridge in the dust collector housing 01 filters out the smoke, dust and other impurities. During this process, the cylindrical electromagnet 4 is energized and produces a magnetic attraction effect, which can attract the drawn-in metal cutting debris particles. After the cutting and dust removal is completed, the cylindrical electromagnet 4 is de-energized to make its magnetism disappear. The metal cutting debris particles adsorbed on the cylindrical electromagnet 4 fall down into the storage box 3 for collection, thus realizing the magnetic separation of metal cutting debris particles during air intake dust removal.

[0028] This magnetic separation air inlet structure pre-screens magnetic metals before air inlet filtration, preventing excessive accumulation and blockage in the dust collector housing 01. Furthermore, pre-magnetic separation eliminates the need for subsequent metal particle screening, reducing processes and saving time and effort.

[0029] In addition, magnetic separation of metal debris particles before dust removal and filtration can prevent some of the metal debris particles with sparks from the high temperature of laser cutting from entering the dust collector housing 01 and igniting flammable materials, thereby further improving the safety performance of the dust collector, achieving two goals at once.

[0030] The drive mechanism 5 drives the cylindrical electromagnet 4 to rotate, thereby achieving rotary magnetic separation. This allows metal debris particles to be evenly magnetically distributed on the cylindrical electromagnet 4, preventing excessive accumulation of debris particles on the cylindrical electromagnet 4 and affecting its magnetic attraction effect.

[0031] Specifically, several metal plates 41 are arranged in an array around the axis of the outer surface of the cylindrical electromagnet 4, and the outer wall of the cylindrical electromagnet 4 forms a collection area 42 between two adjacent metal plates 41.

[0032] By adding multiple metal plates 41 in an array on the outer wall of the cylindrical electromagnet 4, the metal plates 41 can rotate synchronously with the cylindrical electromagnet 4. The metal plates 41 are magnetic metals, and have a magnetic attraction effect after contacting the cylindrical electromagnet 4, thereby expanding the magnetic attraction range in the air inlet box 1 and improving the capture ability of metal debris particles. In addition, a collection area 42 is formed between two metal plates 41 for the metal debris particles to be collected in sections, further ensuring that the debris particles on the cylindrical electromagnet 4 are evenly distributed, thereby effectively improving the magnetic separation ability and quality of metal debris particles.

[0033] Specifically, the drive mechanism 5 includes a shaft 51, a mounting bracket 52, and a drive motor 53. The shaft 51 is rotatably mounted inside the air inlet box 1, and one end extends through to the outside of the air inlet box 1. The cylindrical electromagnet 4 is fixedly mounted on the shaft 51. The drive motor 53 is fixed to the side of the air inlet box 1 through the mounting bracket 52, and the output shaft of the drive motor 53 is fixedly connected to the end of the shaft 51 located outside the air inlet box 1. When the drive motor 53 works, its output shaft drives the shaft 51 to rotate, which in turn drives the cylindrical electromagnet 4 and the metal plate 41 to rotate, providing a stable drive for magnetic separation when the cylindrical electromagnet 4 and the metal plate 41 rotate.

[0034] Specifically, the bottom of the air inlet box 1 is symmetrically provided with guide ramps 101 on both sides of the storage box 3, and both guide ramps 101 are inclined towards one side of the storage box 3.

[0035] After dust removal, the cylindrical electromagnet 4 is de-energized and driven to rotate by the drive mechanism 5. Since the electromagnetic attraction of the cylindrical electromagnet 4 is lost, the metal debris particles on the cylindrical electromagnet 4 can fall into the storage box 3 for collection. By setting guide ramps 101 at the bottom of the air inlet box 1 on both sides of the storage box 3, the fallen metal debris particles can be guided into the storage box 3 to avoid excessive accumulation on the bottom wall of the air inlet box 1.

[0036] Specifically, the storage box 3 has a discharge port 31 at the bottom and an insertion slot 32 on the side of the storage box 3. A sealing plate 33 for blocking the discharge port 31 is slidably inserted into the insertion slot 32. The sealing plate 33 is inserted into the insertion slot 32 to block the discharge port 31, which facilitates the collection of metal debris particles from magnetic separation. The sealing plate 33 is slidably pulled out to facilitate the discharge of metal debris particles for subsequent processing. In addition, a handle 331 is fixed to the side of the sealing plate 33. By squeezing the handle 331, it is convenient to apply force to pull and push the sealing plate 33.

[0037] When the sealing plate 33 is inserted into the insertion slot 32 to the position, three of the surfaces of the sealing plate 33 are respectively in contact with three of the inner wall surfaces of the storage box 3, which effectively ensures the sealing performance, prevents small metal fragments from leaking out, and improves the collection effect of metal fragments.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A magnetically selected air inlet structure for a dust collector, characterized in that: The magnetic air inlet structure includes an air inlet box (1) connected to the side of the dust collector housing (01), an air inlet (2) connected to the side of the air inlet box (1) away from the dust collector housing (01), and a storage box (3) installed at the bottom of the air inlet box (1). The top of the storage box (3) is connected to the air inlet box (1), and the storage box (3) is used to store the metal debris particles separated by magnetic separation; A cylindrical electromagnet (4) is installed inside the air inlet box (1) above the storage box (3). The cylindrical electromagnet (4) is arranged horizontally and perpendicular to the air inlet direction. The air inlet box (1) is provided with a driving mechanism (5), which is used to drive the cylindrical electromagnet (4) to rotate inside the air inlet box (1).

2. The magnetic air inlet structure for a dust collector according to claim 1, characterized in that: The cylindrical electromagnet (4) has several metal plates (41) arranged in an array around its axial direction on its outer peripheral surface, and the outer wall of the cylindrical electromagnet (4) forms a collection area (42) between two adjacent metal plates (41).

3. The magnetic air inlet structure for a dust collector according to claim 1, characterized in that: The drive mechanism (5) includes a shaft (51), a mounting bracket (52), and a drive motor (53); The shaft (51) is rotatably mounted inside the air inlet box (1), and one end extends through to the outside of the air inlet box (1); The cylindrical electromagnet (4) is fixedly mounted on the shaft (51); The drive motor (53) is fixed to the side of the air inlet box (1) by the mounting bracket (52), and the output shaft of the drive motor (53) is fixedly connected to the end of the shaft (51) located outside the air inlet box (1).

4. The magnetic air inlet structure for a dust collector according to claim 1, characterized in that: The bottom of the air inlet box (1) is provided with symmetrical guide ramps (101) on both sides of the storage box (3), and both guide ramps (101) are inclined towards the storage box (3).

5. The magnetic air inlet structure for a dust collector according to claim 1, characterized in that: The storage box (3) has a drain outlet (31) at the bottom and an insertion slot (32) on the side of the storage box (3). A sealing plate (33) for sealing the drain outlet (31) is slidably inserted into the insertion slot (32). A pinch handle (331) is fixed to the side end of the sealing plate (33).

6. The magnetic air inlet structure for a dust collector according to claim 5, characterized in that: When the sealing plate (33) is inserted into the insertion slot (32) to the position, three of the surfaces of the sealing plate (33) are respectively attached to three of the inner wall surfaces of the storage box (3).

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