Air inlet dust removal mechanism for screw air compressor

By introducing a drive motor and sealing components into the screw air compressor, automatic cleaning of the dust filter is achieved, solving the problem of dust floating and improving cleaning efficiency and the service life of the device.

CN224071502UActive Publication Date: 2026-04-03WANGDA GRP CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-27
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

The dust removal mechanism of existing screw air compressors is prone to dust floating when cleaning the dust screen, which increases the workload and time required for subsequent cleaning.

Method used

An air intake dust removal mechanism was designed, which includes a drive motor, a sealing component, and a cleaning component. The stepper motor drives the lead screw to rotate, and in combination with the cleaning roller and nozzle, the dust screen is automatically cleaned. The sealing component prevents dust and water stains from entering the air compressor body.

Benefits of technology

The system enables automatic cleaning of the dust filter, preventing dust from floating, reducing the workload and time required for subsequent cleaning, and extending the service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air inlet dust removal mechanism for a screw air compressor, which belongs to the technical field of dust removal equipment and comprises a screw air compressor body, an opening type mounting frame is mounted at an air inlet of the air compressor body, a screw rod is rotatably connected to the inner side of the mounting frame, and a stepping motor for providing power for the screw rod is mounted on the side surface of the mounting frame. The top end of the mounting frame is fixedly connected with a sleeve, the side face of the sleeve is connected with a push rod in a penetrating mode, the periphery of the push rod is fixedly connected with a connecting rod, one end of the connecting rod penetrates through a limiting groove formed in the top end of the mounting frame to be fixedly connected with the adjusting block, and the inner side of the sleeve is slidably connected with a piston connected with the push rod. And two shunt pipes communicated with the sleeve are mounted on the inner side of the mounting frame. The air inlet dust removal mechanism for the screw air compressor not only can automatically clean the dust screen, but also can prevent dust from floating, so that the later cleaning operation is more time-saving and labor-saving.
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Description

Technical Field

[0001] This utility model belongs to the technical field of dust removal equipment, and in particular, it relates to an air intake dust removal mechanism for a screw air compressor. Background Technology

[0002] Screw air compressors, using pre-configured screw air compressors, require only a single power connection and compressed air connection. During operation, screw air compressors require dust removal. Existing dust removal mechanisms, in an effort to reduce worker workload, use a drive assembly to adjust the cleaning assembly, automatically cleaning the dust filter (preventing clogging and affecting the compressor's air intake). While this reduces worker workload to some extent, cleaning the dust filter can cause dust to float to various locations, making subsequent cleaning more time-consuming and labor-intensive.

[0003] A search revealed a Chinese patent document (authorization announcement number CN219879417U), which discloses an intake dust removal mechanism for a screw air compressor. The mechanism includes an air compressor body, with a connecting sleeve and two extrusion blocks fixedly installed on the outer wall of the air compressor body. A connecting plate is slidably installed inside the connecting sleeve, and the inner wall of the connecting plate is connected to the outer wall of the air compressor body via an elastic mechanism. A dust removal channel is installed through the outer wall of the connecting plate, and a filter screen and a toothed plate are fixedly installed inside the dust removal channel. A reciprocating screw is rotatably installed inside the dust removal channel. This invention, through the arrangement of components such as a connecting shaft, gears, toothed plates, and cleaning rollers, uses a screw sleeve to drive a connecting frame, which in turn drives the connecting shaft. While this patent reduces the workload of workers to some extent, cleaning the dust filter may cause dust to float to various locations, making subsequent cleaning work time-consuming and laborious. Utility Model Content

[0004] The purpose of this invention is to provide an intake dust removal mechanism for a screw air compressor to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an air intake dust removal mechanism for a screw air compressor, comprising a screw air compressor body, an open mounting frame installed at the air inlet of the air compressor body, a sealing component installed on the side of the mounting frame, a dustproof net installed on the inner side of the mounting frame, a lead screw rotatably connected to the inner side of the mounting frame, a stepper motor for powering the lead screw installed on the side of the mounting frame, an adjusting block threadedly connected to the outer circumference of the lead screw, a cleaning component installed on the side of the adjusting block, a sleeve fixedly connected to the top of the mounting frame, a push rod penetratingly connected to the side of the sleeve, a connecting rod fixedly connected to the outer circumference of the push rod, and one end of the connecting rod passing through a limiting groove at the top of the mounting frame and connected and fixed to the adjusting block, a piston slidably connected to the push rod on the inner side of the sleeve, two diversion pipes communicating with the sleeve are installed on the inner side of the mounting frame, and multiple nozzles are connected to the bottom end of the diversion pipes, and a detachable collection box is installed at the bottom of the mounting frame.

[0006] Specifically, the cleaning assembly includes a connecting plate connected to the side of the adjusting block, a mounting bracket installed on the side of the connecting plate, and a rotating shaft rotatably connected to the inside of the mounting bracket.

[0007] Specifically, a drive motor that provides power to the rotating shaft is installed at the top of the mounting bracket, and a cleaning roller is installed between the two rotating shafts.

[0008] Specifically, the sealing assembly includes a sealing plate that extends through the top of the mounting frame, a sealing gasket that is adhered to the bottom of the sealing plate, and a pull ring that is mounted on the top of the sealing plate.

[0009] Specifically, a limiting box is fixedly connected to the top of the mounting frame, and a guide rod is fixedly connected to the inner side of the limiting box.

[0010] Specifically, a movable block is slidably connected to the outer periphery of the guide rod, and a compression spring is installed between the movable block and the inner wall of the limiting box.

[0011] Specifically, a linkage block is fixedly connected to the top of the movable block, and a positioning rod that penetrates and connects to the limiting box is fixedly connected to the side of the movable block.

[0012] Compared with the prior art, the technical effects and advantages of this utility model are as follows:

[0013] This screw air compressor uses an intake dust removal mechanism. Thanks to the design of the drive motor, sealing components, and cleaning components, the stepper motor drives the lead screw to rotate. The rotation of the lead screw drives the cleaning component to automatically clean the dust filter. During the movement of the cleaning component, the push rod drives the piston to adjust, thereby delivering the cleaning water in the sleeve to the nozzle of the distributor pipe for dust suppression. Compared with the cleaning prevention of existing devices, this device can not only automatically clean the dust filter, but also prevent dust from floating, making subsequent cleaning operations more time-saving and labor-saving. In addition, the design of the sealing components can prevent dust and water stains from entering the inside of the air compressor body when cleaning the dust filter, thus significantly improving the service life of the device.

[0014] The screw air compressor uses an intake dust removal mechanism that can not only automatically clean the dust filter, but also prevent dust from floating, making subsequent cleaning operations more time-saving and labor-saving. Attached Figure Description

[0015] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure of the cleaning component of this utility model;

[0018] Figure 3 This is a sectional view of the connection of the sleeve of this utility model;

[0019] Figure 4 This is a partial sectional view of the mounting frame of this utility model.

[0020] Explanation of reference numerals in the attached figures:

[0021] In the diagram: 1. Air compressor body; 2. Dustproof net; 3. Sealing assembly; 31. Pull ring; 32. Sealing plate; 33. Limit box; 34. Sealing gasket; 35. Linkage block; 36. Guide rod; 37. Positioning rod; 38. Movable block; 39. Compression spring; 4. Cleaning assembly; 41. Mounting bracket; 42. Connecting plate; 43. Drive motor; 44. Cleaning roller; 5. Sleeve; 6. Connecting rod; 7. Mounting frame; 8. Push rod; 9. Stepper motor; 10. Collection box; 11. Adjusting block; 12. Lead screw; 13. Piston; 14. Diverter pipe. Detailed Implementation

[0022] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0023] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.

[0024] The connection method can be any existing method, such as bonding, welding, or bolting, depending on the actual needs. Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail; however, where appropriate, such techniques, methods, and equipment should be considered part of the specification. The proportions of the components in the accompanying drawings are for reference only and can be adjusted to a certain extent according to the actual use.

[0025] Examples, such as Figures 1 to 4 As shown, an open mounting frame 7 is installed at the air inlet of the air compressor body 1, and a sealing component 3 is installed on the side of the mounting frame 7. One end of the mounting frame 7 is connected to the air inlet of the air compressor body 1. A dustproof net 2 is installed on the inner side of the mounting frame 7. The dustproof net 2 is designed to prevent dust from entering the air compressor body 1. A lead screw 12 is rotatably connected to the inner side of the mounting frame 7. A stepper motor 9 is installed on the side of the mounting frame 7 to provide power to the lead screw 12. The stepper motor 9 can drive the lead screw 12 to rotate. The rotation of the lead screw 12 can drive the cleaning component 4 to clean the dustproof net 2, and the cleaning process can perform dust reduction. Multiple water holes are provided at the bottom of the mounting frame 7, and an adjusting block is threadedly connected to the outer circumference of the lead screw 12. 11. A cleaning component 4 is installed on the side of the adjusting block 11. A sleeve 5 is fixedly connected to the top of the mounting frame 7, and a push rod 8 is connected through the side of the sleeve 5. The push rod 8 pushes the piston 13 for adjustment, which can deliver the cleaning water in the sleeve 5 to the diversion pipe 14. A sealing cover is installed at the inlet of the sleeve 5. A connecting rod 6 is fixedly connected to the outer periphery of the push rod 8, and one end of the connecting rod 6 passes through the limiting groove at the top of the mounting frame 7 and is connected and fixed to the adjusting block 11. The piston 13 connected to the push rod 8 is slidably connected to the inner side of the sleeve 5. Two diversion pipes 14 connected to the sleeve 5 are installed on the inner side of the mounting frame 7, and multiple nozzles are connected to the bottom end of the diversion pipes 14. A detachable collection box 10 is installed at the bottom end of the mounting frame 7.

[0026] The cleaning assembly 4 includes a connecting plate 42 connected to the side of the adjusting block 11, a mounting bracket 41 mounted on the side of the connecting plate 42, and a rotating shaft rotatably connected to the inside of the mounting bracket 41. A drive motor 43 that provides power to the rotating shaft is mounted on the top of the mounting bracket 41, and a cleaning roller 44 is mounted between the two rotating shafts. Multiple brushes are attached to the side of the cleaning roller 44.

[0027] The sealing assembly 3 includes a sealing plate 32 that is connected through to the top of the mounting frame 7, a sealing gasket 34 that is bonded to the bottom of the sealing plate 32, and a pull ring 31 that is installed on the top of the sealing plate 32. The side of the sealing plate 32 is provided with a positioning hole for a positioning rod 37. The top of the mounting frame 7 is fixedly connected to a limit box 33, and a guide rod 36 is fixedly connected to the inner side of the limit box 33. The guide rod 36 is designed to drive the movable block 38 to move in a directional manner. The outer periphery of the guide rod 36 is slidably connected to the movable block 38, and a compression spring 39 is installed between the movable block 38 and the inner wall of the limit box 33. The compression spring 39 is designed to drive the positioning rod 37 to be inserted into the positioning hole. The top of the movable block 38 is fixedly connected to a linkage block 35, and the side of the movable block 38 is fixedly connected to a positioning rod 37 that is connected through to the limit box 33.

[0028] The air compressor body 1, drive motor 43, and stepper motor 9 are all conventional instruments. Their working principles, dimensions, and models are irrelevant to the function of this application, so they will not be described in detail. They are all controlled by remote control switches. The control method of this utility model is through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming. The power supply is also common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail. The scale of the attached drawings is for reference only and can be adjusted to a certain extent according to the actual use.

[0029] Working principle

[0030] The screw air compressor uses an intake dust removal mechanism. When it is necessary to clean the dust screen 2, the positioning rod 37 on the side of the movable block 38 is moved by adjusting the linkage block 35 to release the positioning of the sealing plate 32 (the unpositioned sealing plate 32 is embedded in the mounting frame 7). The stepper motor 9 is started to drive the adjusting block 11 on the outer periphery of the screw 12 to move horizontally, and the drive motor 43 is started to drive the cleaning roller 44 to rotate to clean the dust screen 2. During the adjustment of the adjusting block 11, the push rod 8 at one end of the connecting rod 6 is moved. The movement of the push rod 8 pushes the piston 13 to adjust, thereby delivering the cleaning water in the sleeve 5 to the nozzle of the diversion pipe 14 for dust suppression. The cleaning water enters the collection box 10 through the water leakage hole.

[0031] It should be noted that, in this document, relational terms such as "one" and "two" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A kind of screw air compressor with air inlet dust removal mechanism, including screw air compressor body (1), the air inlet of the air compressor body (1) is equipped with open mounting frame (7), and the side of mounting frame (7) is equipped with sealing assembly (3), it is characterized by: The inner side of the mounting frame (7) is mounted with a dust screen (2), and the inner side of the mounting frame (7) is rotatably connected with a lead screw (12), the side of the mounting frame (7) is mounted with a stepping motor (9) for providing power for the lead screw (12), the outer periphery of the lead screw (12) is threadedly connected with an adjusting block (11), the side of the adjusting block (11) is mounted with a cleaning assembly (4), the top end of the mounting frame (7) is fixedly connected with a sleeve (5), and the side of the sleeve (5) is connected with a push rod (8), the outer periphery of the push rod (8) is fixedly connected with a connecting rod (6), and one end of the connecting rod (6) is connected and fixed with the adjusting block (11) through the limiting groove provided at the top end of the mounting frame (7), the inner side of the sleeve (5) is slidably connected with a piston (13) connected with the push rod (8), the inner side of the mounting frame (7) is mounted with two shunt pipes (14) communicating with the sleeve (5), and the bottom end of the shunt pipe (14) is communicated with a plurality of nozzles, and the bottom end of the mounting frame (7) is mounted with a detachable collecting box (10).

2. The air intake dust removal mechanism for a screw air compressor according to claim 1, characterized in that: The cleaning assembly (4) comprises a connecting plate (42) connected to the side of the adjusting block (11), a mounting bracket (41) mounted on the side of the connecting plate (42), and a rotating shaft rotatably connected to the inner side of the mounting bracket (41).

3. The air intake dust removal mechanism for a screw air compressor according to claim 2, characterized in that: The top end of the mounting bracket (41) is mounted with a driving motor (43) for providing power for the rotating shaft, and the cleaning roller (44) is mounted between the two rotating shafts.

4. The air intake dust removal mechanism for a screw air compressor according to claim 1, characterized in that: The sealing assembly (3) comprises a sealing plate (32) connected through the top end of the mounting frame (7), a sealing gasket (34) bonded to the bottom end of the sealing plate (32), and a pull ring (31) mounted on the top end of the sealing plate (32).

5. The gas inlet dust removal mechanism for a screw air compressor according to claim 4, characterized in that: The top end of the mounting frame (7) is fixedly connected with a limiting box (33), and the inner side of the limiting box (33) is fixedly connected with a guide rod (36).

6. The gas inlet dust removal mechanism for a screw air compressor according to claim 5, characterized in that: The outer periphery of the guide rod (36) is slidably connected with a movable block (38), and the movable block (38) and the inner wall of the limiting box (33) are mounted with an extrusion spring (39).

7. The dust removal mechanism for the air inlet of a screw air compressor according to claim 6, characterized in that: The top end of the movable block (38) is fixedly connected with a linkage block (35), and the side of the movable block (38) is fixedly connected with a positioning rod (37) penetratingly connected with the limiting box (33).

Citation Information

Patent Citations

  • Air inlet dust removal mechanism for screw air compressor

    CN219879417U