Compressed air source purification device

Abstract

The utility model discloses a compressed air source purification device, and relates to the technical field of combined instruments for separating particles from gas or steam. Comprising a coarse filtering box, a compressed air supply device, a fine filtering box, a compressed air oil-water separator, a control box and laser cutting equipment, the coarse filtering box is fixedly installed on one side of the compressed air supply device, and the fine filtering box is installed on the side, away from the coarse filtering box, of the compressed air supply device through a pipeline; the side, away from the compressed air supply device, of the fine filter box communicates with the interior of the compressed air oil-water separator through a pipeline, and through cooperation of a threaded rod, a limiting rod, cleaning brushes, a mounting sliding plate and a limiting sliding plate, the two cleaning brushes can clean dust on the surfaces of a fine filter element and a coarse filter element correspondingly; therefore, particles attached to the filter element can be swept down, the situation that the filtering efficiency is reduced due to excessive attached dust in the using process is avoided, and the filtering efficiency of the filter element in the using period is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a combined instrument technical field for separating particles from gas or vapor, particularly relates to a compressed air source purification device. BACKGROUND

[0002] The "compressed air supply system" matched with the laser cutting equipment has high failure rate when used in high pollution areas due to poor air quality, more dust in the air and other factors, which leads to short operation cycle of the laser cutting machine and high maintenance cost, the Chinese utility model patent, authorization announcement number "CN209985129U" discloses a kind of compressed air supply system of laser equipment, the utility model discloses a kind of compressed air supply system of laser equipment, including primary air purification device, compressed air supply system, gas pipe, secondary air purification device, compressed air oil-water separator, particulate matter sensor, two-position three-way electromagnetic valve, laser cutting equipment, control box and back gas pipe, the side of primary air purification device is provided with compressed air supply system, and the air outlet of primary air purification device is connected with the air inlet of compressed air supply system by connecting pipe, the side of compressed air supply system is provided with secondary air purification device, and the air outlet of compressed air supply system is connected with the air inlet of secondary air purification device by gas pipe, the side of secondary air purification device is provided with compressed air oil-water separator, the utility model has very high air purification capacity, and can provide high-quality gas source for laser cutting equipment under high pollution environment.

[0003] The above technical scheme in the process of using, in the process that filter core carries out filtration to particulate matter in air, particulate matter will gradually adhere to the surface of filter core, along with the accumulation of adherend, the porosity of filter core will be partially blocked, this not only reduces the effective filtration area of filter core, also increases the resistance of air passing through filter core, and then influences the capturing ability of filter core to particulate matter in subsequent air, leads to gradually reducing of filtration efficiency, therefore, we propose a kind of compressed air source purification device. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of compressed air source purification devices, can solve in the process that filter core carries out filtration to particulate matter in air, particulate matter will gradually adhere to the surface of filter core, along with the accumulation of adherend, the porosity of filter core will be partially blocked, this not only reduces the effective filtration area of filter core, also increases the resistance of air passing through filter core, and then influences the capturing ability of filter core to particulate matter in subsequent air, leads to gradually reducing of filtration efficiency problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of compressed air source purification device, comprising:

[0006] The compressed air supply device, the compressed air oil-water separator, the control box and the laser cutting device, the compressed air supply device is fixedly installed on one side of the compressed air supply device, the compressed air supply device is installed on the side of the compressed air supply device away from the compressed air supply device, the compressed air supply device is connected with the inside of the compressed air oil-water separator through the pipeline, and the compressed air oil-water separator is connected with the inside of the laser cutting device through the pipeline;

[0007] The filter core cleaning assembly is respectively located on the coarse filter box and the fine filter box.

[0008] The filter core cleaning assembly comprises four positioning frames, two sealing covers, a coarse filter core and a fine filter core, the four positioning frames are fixedly connected in the interiors of the coarse filter box and the fine filter box, the coarse filter core and the fine filter core are slidably installed on the opposite faces of the two positioning frames respectively, the two sealing covers are fixedly installed on the top of the coarse filter box and the fine filter box through bolts respectively, the coarse filter box and the fine filter box are provided with cleaning structures, the cleaning structure comprises a driving motor, a threaded rod and a limiting rod, the threaded rod and the limiting rod are rotatably connected in the interior of the fine filter box, the driving motor is fixedly installed on one side of the fine filter box, and the output end of the driving motor rotatably extends into the interior of the fine filter box and is fixedly connected with the threaded rod.

[0009] Preferably, the cleaning structure further comprises a cleaning brush, a mounting sliding plate and a limiting sliding plate, the mounting sliding plate is threadedly sleeved on the outer surface of the threaded rod, the bottom end of the mounting sliding plate is slidably sleeved on the outer surface of the limiting rod, the top of the mounting sliding plate is provided with a limiting sliding groove, the limiting sliding plate is installed in the limiting sliding groove through bolts, and the cleaning brush is fixedly connected on the side of the limiting sliding plate away from the mounting sliding plate.

[0010] Preferably, the two cleaning brushes are respectively in contact with the surfaces of the fine filter core and the coarse filter core.

[0011] Preferably, a particulate matter sensor and a two-position three-way electromagnetic valve are fixedly installed on the pipeline connected between the compressed air oil-water separator and the laser cutting device respectively, the signal output end of the control box is connected with the signal receiving end of the two-position three-way electromagnetic valve through a wire harness, and the signal receiving end of the control box is connected with the signal output end of the particulate matter sensor through a wire harness.

[0012] Preferably, a return pipe is fixedly connected to the two-position three-way electromagnetic valve, the return pipe is in communication with the interior of the two-position three-way electromagnetic valve, and the end of the return pipe away from the two-position three-way electromagnetic valve is in communication with the pipeline between the fine filter box and the compressed air supply device.

[0013] Preferably, the two limiting sliding plates and the two limiting sliding grooves are both in the shape of T.

[0014] Compared with the prior art, the utility model has the advantages of

[0015] 1、 this compressed air source purification device, through the cooperation of threaded rod, limit rod, cleaning brush, installation slide and limit slide, two cleaning brushes can clean the dust on the surface of fine filter element and coarse filter element respectively, so that the attached particulate matter on the filter element is swept down, the filter efficiency during use is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further illustrated below in combination with the drawings and examples:

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the coarse filter box section structure schematic diagram of the utility model;

[0019] Figure 3 It is the fine filter box section structure schematic diagram of the utility model;

[0020] Figure 4 It is the installation slide structure schematic diagram of the utility model.

[0021] Reference signs: 1, coarse filter box; 2, compressed air supply device; 3, fine filter box; 4, backflow pipe; 5, compressed air oil-water separator; 6, particulate matter sensor; 7, two-position three-way electromagnetic valve; 8, laser cutting equipment; 9, control box; 10, sealing cover; 11, coarse filter element; 12, positioning frame; 13, threaded rod; 14, drive motor; 15, fine filter element; 16, limit rod; 17, cleaning brush; 18, installation slide; 19, limit slide; 20, limit sliding slot. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as the limitation of the utility model.

[0024] In the description of the utility model, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number. If it is described to the first, second, it is only used for distinguishing the technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0025] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be broadly understood, and the specific meaning of the above words in the utility model can be reasonably determined by the person skilled in the art in combination with the specific content of the technical scheme.

[0026] Please refer to Figures 1-4 The utility model provides a technical scheme: a compressed air source purification device, it includes:

[0027] Coarse filter box 1, compressed air supply device 2, fine filter box 3, compressed air oil-water separator 5, control box 9 and laser cutting equipment 8, coarse filter box 1 is fixedly installed at one side of compressed air supply device 2, fine filter box 3 is installed at the side of compressed air supply device 2 away from coarse filter box 1 by pipeline, the side of fine filter box 3 away from compressed air supply device 2 is communicated with the inside of compressed air oil-water separator 5 by pipeline, and compressed air oil-water separator 5 is communicated with the inside of laser cutting equipment 8 by pipeline;

[0028] Filter core cleaning assembly, filter core cleaning assembly is located on coarse filter box 1 and fine filter box 3 respectively;

[0029] Filter core cleaning assembly includes four positioning frames 12, two sealing covers 10, coarse filter core 11 and fine filter core 15, four positioning frames 12 are fixedly connected in the inside of coarse filter box 1 and fine filter box 3 respectively, coarse filter core 11 and fine filter core 15 are slidably installed in the opposite face of corresponding two positioning frames 12, two sealing covers 10 are fixedly installed on the top of coarse filter box 1 and fine filter box 3 by bolt respectively, and cleaning structure is arranged on coarse filter box 1 and fine filter box 3, cleaning structure includes driving motor 14, threaded rod 13 and limiting rod 16, threaded rod 13 and limiting rod 16 are rotatably connected in the inside of fine filter box 3, driving motor 14 is fixedly installed at one side of fine filter box 3, and the output end of driving motor 14 rotatably extends into the inside of fine filter box 3 and is fixedly connected with threaded rod 13.

[0030] The cleaning structure further comprises a cleaning brush 17, a mounting sliding plate 18 and a limiting sliding plate 19, the mounting sliding plate 18 is threadedly sleeved on the outer surface of the threaded rod 13, the bottom end of the mounting sliding plate 18 is slidingly sleeved on the outer surface of the limiting rod 16, the top of the mounting sliding plate 18 is provided with a limiting sliding groove 20, the limiting sliding plate 19 is installed in the limiting sliding groove 20 through bolts, the cleaning brush 17 is fixedly connected to the side of the limiting sliding plate 19 away from the mounting sliding plate 18, and the two cleaning brushes 17 are respectively in contact with the surfaces of the fine filter element 15 and the coarse filter element 11.

[0031] The two limiting sliding plates 19 and the two limiting sliding grooves 20 are both in a T-shaped structure.

[0032] The pipeline connected between the compressed air oil-water separator 5 and the laser cutting equipment 8 is respectively provided with a particulate matter sensor 6 and a two-position three-way electromagnetic valve 7, the signal output end of a control box 9 is connected with the signal receiving end of the two-position three-way electromagnetic valve 7 through a wire harness, and the signal receiving end of the control box 9 is connected with the signal output end of the particulate matter sensor 6 through a wire harness.

[0033] The two-position three-way electromagnetic valve 7 is fixedly connected with a return pipe 4, the return pipe 4 is in communication with the inside of the two-position three-way electromagnetic valve 7, and the end of the return pipe 4 away from the two-position three-way electromagnetic valve 7 is in communication with the pipeline between the fine filter box 3 and the compressed air supply device 2.

[0034] Further, when the device is used, the external air is delivered into the coarse filter box 1 through the air pump, is filtered for the first time through the fine filter element 15 in the coarse filter box 1, and then the air filtered for the first time is discharged into the compressed air supply device 2, so that the compressed air supply device 2 discharges the air into the fine filter box 3 for the second time through the coarse filter element 11, thereby facilitating the air filtered for the second time to be discharged into the compressed air oil-water separator 5, so that the compressed air oil-water separator 5 can remove the water in the air, and then the particulate matter sensor 6 can detect the air after the water is removed, when the content of particulate matter in the air is lower than the set value of the control box 9, the processed air will be directly delivered to the laser cutting equipment 8, when the content of particulate matter in the air is higher than the set value of the control box 9, the processed air is returned to the pipeline between the fine filter box 3 and the compressed air supply device 2 through the return pipe 4 for reprocessing through the reversing function of the two-position three-way electromagnetic valve 7.

[0035] Further, when the device is used, when the dust on the surface of the coarse filter element 11 and the fine filter element 15 needs to be cleaned, the driving motor 14 is started by connecting an external power supply, the driving motor 14 drives the threaded rod 13 to rotate, the threaded rod 13 rotates and drives the installation sliding plate 18 to move horizontally under the limiting of the limiting rod 16, the installation sliding plate 18 moves and drives the cleaning brush 17 to brush and clean the surface of the fine filter element 15, the working principles of the two cleaning structures are the same, when the cleaning brush 17 is replaced, the user detaches the bolts on the limiting sliding plate 19, so that the limiting sliding plate 19 can slide in the limiting sliding groove 20, and then the cleaning brush 17 can be taken off and replaced, since the dust only adheres to the surface of the filter element, only the dust adhering to the surface of the filter element needs to be cleaned, at the same time, the filter element is replaced regularly, the cleaning structure avoids that the filter element reduces the filtering efficiency due to too much dust adhering to the surface of the filter element before being replaced, so as to ensure the filtering efficiency of the filter element during use.

[0036] Through the cooperation of the threaded rod 13, the limiting rod 16, the cleaning brush 17, the installation sliding plate 18 and the limiting sliding plate 19, the two cleaning brushes 17 can clean the dust on the surfaces of the fine filter element 15 and the coarse filter element 11 respectively, so that the adhering particulate matters on the filter element can be cleaned, the filtering efficiency of the filter element during use is ensured.

[0037] Structure description: The coarse filter box 1: is convenient for preliminarily filtering the particulate matters in the air through the internal coarse filter element 11;

[0038] The compressed air supply device 2, the compressed air oil-water separator 5, the laser cutting equipment 8 and the control box 9: are all existing devices, for details, refer to the patent CN209985129U;

[0039] The fine filter box 3: can perform secondary filtration on the air through the internal fine filter element 15;

[0040] The return pipe 4: when the particulate matters are too high, the two-position three-way electromagnetic valve 7 is used to discharge the particulate matters into the pipeline between the fine filter box 3 and the compressed air supply device 2;

[0041] The compressed air oil-water separator 5: removes the water in the air;

[0042] The particulate matter sensor 6: is an existing structure, for details, refer to the model PM1003;

[0043] The two-position three-way electromagnetic valve 7: is an existing structure, for details, refer to the model DC231Y-08;

[0044] The control box 9: is internally provided with a single-chip microcomputer, for details, refer to the model 80C51, and a button electrically connected with the single-chip microcomputer;

[0045] Sealing cover 10: two in number, respectively sealing the inside of the coarse filter box 1 and the fine filter box 3;

[0046] Positioning frame 12: "U" shaped structure, facilitating the installation of the coarse filter core 11 and the fine filter core 15;

[0047] Threaded rod 13: can drive the installation sliding plate 18 to move horizontally under the cooperation of the limiting rod 16;

[0048] Limiting rod 16: facilitating the sliding of the installation sliding plate 18;

[0049] Cleaning brush 17: can clean the particles attached to the surface of the filter core;

[0050] Installation sliding plate 18: so that the cleaning brush 17 can be installed thereon;

[0051] Limiting sliding plate 19: "T" shaped structure, facilitating the installation of the cleaning brush 17.

[0052] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A compressed air source purification device, characterized in that, include: The coarse filter box (1), the compressed air supply device (2), the fine filter box (3), the compressed air oil-water separator (5), the control box (9), and the laser cutting equipment (8) are installed. The coarse filter box (1) is fixedly installed on one side of the compressed air supply device (2), and the fine filter box (3) is installed on the side of the compressed air supply device (2) away from the coarse filter box (1) through a pipe. Among them, the side of the fine filter box (3) away from the compressed air supply device (2) is connected to the inside of the compressed air oil-water separator (5) through a pipe, and the compressed air oil-water separator (5) is connected to the inside of the laser cutting equipment (8) through a pipe; The filter element cleaning assembly is located on the coarse filter box (1) and the fine filter box (3), respectively. The filter cleaning assembly includes four positioning frames (12), two sealing caps (10), a coarse filter element (11) and a fine filter element (15). The four positioning frames (12) are fixedly connected to the inside of the coarse filter box (1) and the fine filter box (3), respectively. The coarse filter element (11) and the fine filter element (15) are slidably installed in the opposite surfaces of the corresponding two positioning frames (12). Among them, the two sealing covers (10) are fixed to the top of the coarse filter box (1) and the fine filter box (3) respectively by bolts. Both the coarse filter box (1) and the fine filter box (3) are equipped with cleaning structures, which include a drive motor (14), a threaded rod (13) and a limit rod (16). The threaded rod (13) and the limiting rod (16) are rotatably connected inside the fine filter box (3). The drive motor (14) is fixedly installed on one side of the fine filter box (3). The output end of the drive motor (14) rotatably extends into the interior of the fine filter box (3) and is fixedly connected to the threaded rod (13).

2. The compressed air source purification device according to claim 1, characterized in that: The cleaning structure also includes a cleaning brush (17), a mounting plate (18), and a limiting plate (19). The mounting plate (18) is threaded onto the outer surface of the threaded rod (13), and the bottom end of the mounting plate (18) is slidably fitted onto the outer surface of the limiting rod (16). The top of the mounting plate (18) has a limiting groove (20), the limiting plate (19) is installed inside the limiting groove (20) by bolts, and the cleaning brush (17) is fixedly connected to the side of the limiting plate (19) away from the mounting plate (18).

3. The compressed air source purification device according to claim 2, characterized in that: The two cleaning brushes (17) contact the surfaces of the fine filter element (15) and the coarse filter element (11), respectively.

4. The compressed air source purification device according to claim 1, characterized in that: A particulate matter sensor (6) and a two-position three-way solenoid valve (7) are fixedly installed on the pipe connecting the compressed air oil-water separator (5) and the laser cutting equipment (8); The signal output terminal of the control box (9) is connected to the signal receiving terminal of the two-position three-way solenoid valve (7) via a wire harness, and the signal receiving terminal of the control box (9) is connected to the signal output terminal of the particulate matter sensor (6) via a wire harness.

5. The compressed air source purification device according to claim 4, characterized in that: A return pipe (4) is fixedly connected to the two-position three-way solenoid valve (7). The return pipe (4) is connected to the interior of the two-position three-way solenoid valve (7). The end of the return pipe (4) away from the two-position three-way solenoid valve (7) is connected to the pipeline between the fine filter box (3) and the compressed air supply device (2).

6. The compressed air source purification device according to claim 2, characterized in that: Both of the limiting slide plates (19) and the two limiting slide grooves (20) are "T" shaped structures.

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