A smoke circulation filtering device for laser engraving machine

Abstract

The utility model provides a smoke circulation filtering device for a laser engraving machine, including a filtering component, wherein the filtering component includes a laser engraving protective cover, a box machine, a box door, a first-stage fan, a U-shaped groove, a first-layer electronic filter element, a secondary fan, a second-layer electronic filter element, and a filter net. The utility model first-stage fan sends the smoke generated during engraving to the first-layer electronic filter element, and the smoke filtered by the first layer is sent to the second-layer electronic filter element by the secondary fan. The smoke filtered twice returns to the first-stage fan in the closed box machine and the laser engraving protective cover to perform the same work as before, thereby achieving the effect of circulating filtration in the closed laser engraving protective cover and the box machine, simplifying the pre-use installation operation, directly embedding the filtering system in the box machine, and integrating the filtering equipment that originally required external connection with the protective cover or the box machine, greatly reducing the difficulty of getting started and the demand for the use site.

Description

Technical Field

[0001] The utility model relates to a filtering device, in particular to a smoke circulation filtering device for a laser engraving machine, belonging to the technical field of laser engraving. Background Art

[0002] Laser engraving technology is an advanced processing method that uses a high-energy-density laser beam to irradiate materials, causing the materials to be instantly vaporized or undergo physical or chemical changes, thereby achieving engraving. Compared with traditional processing methods, laser engraving has the advantages of fast speed and high precision;

[0003] However, most of the laser engraving machines equipped with protective covers or box-type laser engraving machines on the market are connected to external purifiers or exhaust ducts are connected to the outdoors for discharge, which has high requirements on the space and environment in which the equipment is used, and many functional connection operations are required. The assembly process before the equipment is used is also cumbersome. Therefore, a smoke circulation filtering device for a laser engraving machine is proposed. Utility Model Content

[0004] In view of this, the utility model provides a smoke circulation filtering device for a laser engraving machine to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical solution of the embodiment of the utility model is implemented as follows: a smoke circulation filter device for a laser engraving machine, comprising a filter assembly, the filter assembly comprising a laser engraving protective cover, a box machine, a box door, a first-stage fan, a U-shaped groove, a first-layer electronic filter element, a secondary fan, a second-layer electronic filter element, and a filter screen;

[0006] A box machine with an opening on the front side is fixedly connected to the top inner wall of the laser engraving protective cover, a box door is rotatably connected to the front side of the box machine, a first mounting hole is opened on the right inner wall of the box machine, a first-stage fan is fixedly connected to the inner wall of the first mounting hole, two U-shaped grooves are opened on the inner wall of the box machine, a first-layer electronic filter element is movably contacted on one of the two U-shaped grooves, a second-layer electronic filter element is movably contacted on the other of the two U-shaped grooves, a secondary fan is arranged between the second-layer electronic filter element and the first-layer electronic filter element, the bottom of the secondary fan is fixedly connected to the bottom inner wall of the box machine, a second mounting hole is opened on the left inner wall of the box machine, a filter screen is fixedly connected to the inner wall of the second mounting hole.

[0007] Further preferably, a fixing assembly is provided on one side of the filter assembly, and the fixing assembly includes a U-shaped block, a positioning rod, and a moving block;

[0008] A U-shaped block is fixedly connected to the top of the box machine, a positioning rod is welded between the inner walls on both sides of the U-shaped block, and two moving blocks are slidably connected to the positioning rod.

[0009] Further preferably, a spring is welded between one side of the moving block and an inner wall of one side of the U-shaped block.

[0010] Further preferably, a clamping rod is fixedly connected to the other side of the moving block.

[0011] Further preferably, a fixing block is fixedly connected to the top of the box door, and slots are provided on both sides of the fixing block.

[0012] Further preferably, the card slot is clamped with a corresponding card rod.

[0013] Further preferably, a limiting hole is provided on the moving block, and the moving block is slidably connected to the positioning rod through the limiting hole.

[0014] Further preferably, the spring is movably sleeved on the positioning rod.

[0015] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0016] The utility model uses a first-stage fan to send smoke generated during engraving to a first-layer electronic filter element, and the smoke filtered by the first layer is sent to a second-layer electronic filter element by a secondary fan. The smoke filtered twice returns to the first-stage fan in a closed box machine and a laser engraving protective cover to perform the same work as before, thereby achieving a circulating filtering effect in the closed laser engraving protective cover and box machine, which can optimize the site requirements for using a laser engraving protective cover or a box-type laser engraving machine, simplify the pre-use installation operation, embed the filtering system directly into the box machine, and integrate the filtering equipment that originally required external connection with the protective cover or box machine, greatly reducing the difficulty of getting started and the requirements for the site.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0020] Figure 2 It is a three-dimensional structural diagram of another side of the utility model;

[0021] Figure 3 It is a partial three-dimensional structural diagram of the utility model;

[0022] Figure 4 For the utility model Figure 1 Enlarged structural diagram of area A in the middle.

[0023] Figure numerals: 1. Filter assembly; 2. Laser engraving protective cover; 3. Box machine; 4. Box door; 5. First-stage fan; 6. U-shaped groove; 7. First-layer electronic filter element; 8. Secondary fan; 9. Second-layer electronic filter element; 10. Filter net; 11. Fixed assembly; 12. U-shaped block; 13. Positioning rod; 14. Moving block; 15. Spring; 16. Clamp rod; 17. Fixed block; 18. Clamp groove. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-4 As shown, the embodiment of the utility model provides a smoke circulation filter device for a laser engraving machine, including a filter assembly 1, the filter assembly 1 includes a laser engraving protective cover 2, a box machine 3, a box door 4, a first-stage fan 5, a U-shaped groove 6, a first-layer electronic filter element 7, a secondary fan 8, a second-layer electronic filter element 9, and a filter screen 10;

[0027] A box machine 3 with an opening on the front side is fixedly connected to the top inner wall of the laser engraving protective cover 2, and a box door 4 is rotatably connected to the front side of the box machine 3. A first mounting hole is opened on the right inner wall of the box machine 3, and a first-stage fan 5 is fixedly connected to the inner wall of the first mounting hole. Two U-shaped grooves 6 are opened on the inner wall of the box machine 3, and a first-layer electronic filter element 7 is movably contacted on one of the two U-shaped grooves 6, and a second-layer electronic filter element 9 is movably contacted on the other U-shaped groove 6 of the two U-shaped grooves 6. A secondary fan 8 is arranged between the second-layer electronic filter element 9 and the first-layer electronic filter element 7, and the bottom of the secondary fan 8 is fixedly connected to the bottom inner wall of the box machine 3. A second mounting hole is opened on the left inner wall of the box machine 3, and a first-stage fan 5 is fixedly connected to the inner wall of the second mounting hole. A filter net 10 is connected, and the first-stage fan 5 sends the smoke generated during engraving to the first-layer electronic filter element 7. The smoke filtered by the first layer is sent to the second-layer electronic filter element 9 by the secondary fan 8. The smoke filtered twice returns to the first-stage fan 5 in the closed box machine 3 and the laser engraving protective cover 2 to perform the same work as before, thereby achieving the effect of circulating filtration in the closed laser engraving protective cover 2 and the box machine 3. It can optimize the use of the laser engraving protective cover 2 or the box-type laser engraving machine. The site requirements, simplify the pre-use installation operation, the filtering system is directly embedded in the box machine 3, and the filtering equipment that originally required external connection is integrated with the protective cover or the box machine 3, which greatly reduces the difficulty of getting started and the requirements for the site.

[0028] In one embodiment, a fixing assembly 11 is provided on one side of the filter assembly 1, and the fixing assembly 11 includes a U-shaped block 12, a positioning rod 13, and a moving block 14;

[0029] A U-shaped block 12 is fixedly connected to the top of the box machine 3, and a positioning rod 13 is welded between the inner walls of both sides of the U-shaped block 12. Two moving blocks 14 are slidably connected to the positioning rod 13. The setting of the moving blocks 14 plays a connecting role.

[0030] In one embodiment, a spring 15 is welded between one side of the moving block 14 and the inner wall of one side of the U-shaped block 12. The spring 15 is movably mounted on the positioning rod 13. The other side of the moving block 14 is fixedly connected to a clamping rod 16. The setting of the spring 15 plays a resetting role.

[0031] In one embodiment, a fixing block 17 is fixedly connected to the top of the box door 4, and a card slot 18 is provided on both sides of the fixing block 17. The card slot 18 is snap-fitted with the corresponding card rod 16, and the box door 4 is conveniently opened by snap-fitting.

[0032] In one embodiment, a limiting hole is provided on the moving block 14, and the moving block 14 is slidably connected to the positioning rod 13 through the limiting hole. The setting of the limiting hole plays a limiting role.

[0033] The utility model is in operation: when in use, the first-stage fan 5 sends the smoke generated during engraving to the first-layer electronic filter element 7, and the smoke filtered by the first layer is sent to the second-layer electronic filter element 9 by the secondary fan 8. The smoke filtered twice returns to the first-stage fan 5 in the closed box machine 3 and the laser engraving protective cover 2 to perform the same work as before, thereby achieving the effect of circulating filtration in the closed laser engraving protective cover 2 and the box machine 3, which can optimize the site requirements for the use of the laser engraving protective cover 2 or the box-type laser engraving machine, simplify the pre-use installation operation, and directly embed the filtration system The filter element 7 and the second layer electronic filter element 9 need to be replaced, and the two movable blocks 14 are moved away from each other. The movable blocks 14 slide on the positioning rod 13 and compress the spring 15. At the same time, the movable blocks 14 drive the corresponding clamping rod 16 to separate from the clamping slot 18. Then, the box door 4 is turned and opened. The first layer electronic filter element 7 and the second layer electronic filter element 9 can be removed for replacement. The operation is simple and convenient.

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A smoke circulation filter device for a laser engraving machine, comprising a filter assembly (1), characterized in that: The filter assembly (1) comprises a laser engraved protective cover (2), a box body (3), a box door (4), a first-stage fan (5), a U-shaped groove (6), a first-layer electronic filter element (7), a secondary fan (8), a second-layer electronic filter element (9), and a filter screen (10); A box machine (3) with an opening at the front side is fixedly connected to the top inner wall of the laser engraving protective cover (2); a box door (4) is rotatably connected to the front side of the box machine (3); a first mounting hole is opened on the right inner wall of the box machine (3); a first-stage fan (5) is fixedly connected to the inner wall of the first mounting hole; two U-shaped grooves (6) are opened on the inner wall of the box machine (3); a first-layer electronic filter element (7) is movably contacted on one of the two U-shaped grooves (6); a second-layer electronic filter element (9) is movably contacted on the other of the two U-shaped grooves (6); a secondary fan (8) is arranged between the second-layer electronic filter element (9) and the first-layer electronic filter element (7); the bottom of the secondary fan (8) is fixedly connected to the bottom inner wall of the box machine (3); a second mounting hole is opened on the left inner wall of the box machine (3); a filter screen (10) is fixedly connected to the inner wall of the second mounting hole.

2. The smoke circulation filtering device for a laser engraving machine according to claim 1, characterized in that: A fixing assembly (11) is provided on one side of the filter assembly (1), and the fixing assembly (11) comprises a U-shaped block (12), a positioning rod (13), and a moving block (14); A U-shaped block (12) is fixedly connected to the top of the box machine (3), a positioning rod (13) is welded between the inner walls on both sides of the U-shaped block (12), and two moving blocks (14) are slidably connected to the positioning rod (13).

3. The smoke circulation filtering device for a laser engraving machine according to claim 2, characterized in that: A spring (15) is welded between one side of the moving block (14) and an inner wall of one side of the U-shaped block (12).

4. The smoke circulation filtering device for a laser engraving machine according to claim 2, characterized in that: The other side of the moving block (14) is fixedly connected with a clamping rod (16).

5. The smoke circulation filtering device for a laser engraving machine according to claim 1, characterized in that: A fixing block (17) is fixedly connected to the top of the box door (4), and both sides of the fixing block (17) are provided with a clamping groove (18).

6. The smoke circulation filtering device for a laser engraving machine according to claim 5, characterized in that: The clamping slot (18) is clamped with the corresponding clamping rod (16).

7. The smoke circulation filtering device for a laser engraving machine according to claim 2, characterized in that: The moving block (14) is provided with a limiting hole, and the moving block (14) is slidably connected to the positioning rod (13) via the limiting hole.

8. The smoke circulation filtering device for a laser engraving machine according to claim 3, characterized in that: The spring (15) is movably sleeved on the positioning rod (13).

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