Automatic cleaning equipment for air knife

Abstract

The utility model relates to the technical field of electrical automation control, and discloses an air knife automatic cleaning device which comprises a device rack, a single-phase speed regulating motor is installed at the top end of the device rack, a driven wheel fixing seat is fixedly connected to the bottom end of the front side of the device rack and connected with the driven wheel fixing seat through a synchronous assembly, and the driven wheel fixing seat is fixedly connected with the single-phase speed regulating motor. A precise linear sliding rail is arranged at the left end of the equipment rack, an organ cover base is mounted at the top of the left end of the equipment rack, a telescopic organ cover is fixedly connected to the top of the organ cover base, and an air tap mounting table is fixedly connected to the top of the telescopic organ cover and slidably connected with the precise linear sliding rail. According to the utility model, the retractable negative-pressure collecting cylinder and the air knife are used for moving and cleaning, meanwhile, splashing aluminum slag is collected under negative pressure, manual blowing and cleaning by using an air gun are replaced, automatic cleaning is realized, meanwhile, aluminum slag dust is automatically collected, and the situation that the aluminum slag dust is splashed and pollutes the environment is effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of electrical automation control technology, and in particular to an automatic air knife cleaning device. Background Technology

[0002] Air knife cleaning technology, also known as compressed air knife cleaning technology, is a cleaning technique that uses high-speed compressed air to blow away dirt and dust from the surfaces of industrial equipment. The principle of air knife cleaning technology is to utilize the high-speed flow and low-temperature physical effects of compressed air to impact, knock off, and blow away surface dirt, achieving the effect of cleaning the equipment surface. In recent years, with the improvement of industrial automation and technological advancements, the design and function of air knives have been continuously improved. Currently, air knives have achieved good airflow control and stability, but there is still room for improvement in terms of increasing drying efficiency, reducing noise, and adapting to new application requirements. How to further improve the performance of air knives to meet industrial needs is a challenge currently facing the industry.

[0003] The unique characteristics of current 3C product bezels, with their numerous irregular and narrow grooves on small and long surfaces, result in a significant amount of powdery dirt accumulating within these grooves due to sidewall processing. This dirt is difficult to clean. Conventional methods using air guns inevitably leave some residue, with aluminum shavings adhering to the tiny grooves, making manual cleaning difficult and prone to omissions. Furthermore, manual air gun cleaning produces flying aluminum dust that settles on the product surface, polluting the surrounding environment. This method is also highly manpower-intensive, costly, time-consuming, inefficient, and may even damage the product, increasing the defect rate. Therefore, this approach is unsuitable for mass production and fails to meet the requirements of efficient resource utilization and low-cost control.

[0004] In response to this technical problem, this application proposes an automatic air knife cleaning device. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an automatic air knife cleaning device. This device is designed to clean residual aluminum slag on the surface of long, narrow frame products. It features a moving air knife for cleaning and a retractable negative pressure collection cylinder. The air knife moves while simultaneously collecting splashed aluminum slag, replacing manual cleaning with an air gun. The device automatically cleans and collects aluminum slag dust, effectively preventing environmental pollution from splashing aluminum slag dust. This not only significantly improves production efficiency and reduces production costs, but also further consolidates the company's market position, enhances the competitiveness of the company's products, and maximizes profits.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] An automatic air knife cleaning device includes a frame with a single-phase speed-regulating motor mounted on the top. A driven wheel mounting base is fixedly connected to the bottom front side of the frame, and the driven wheel mounting base is connected to the frame via a synchronization assembly. A precision linear guide rail is provided on the left side of the frame, and a bellows cover base is mounted on the top of the left side of the frame. A telescopic bellows cover is fixedly connected to the top of the bellows cover base, and an air nozzle mounting platform is fixedly connected to the top of the telescopic bellows cover. The air nozzle mounting platform is slidably connected to the precision linear guide rail, and the right end of the air nozzle mounting platform is connected to the synchronization assembly. A product is connected to the bellows cover base via a bottom support assembly, and an air knife nozzle is located at the center of the top of the air nozzle mounting platform. The air knife nozzle is connected to a lower support base via the product.

[0008] Furthermore, a negative pressure vacuum cleaning cylinder is installed inside the right end of the equipment frame, and a vacuum cleaning pipe is provided on the top of the negative pressure vacuum cleaning cylinder. The left end of the vacuum cleaning pipe is connected to the center of the bottom of the bellows cover base, and the installation position of the product is located directly above the orthogonal projection of the top center of the bellows cover base.

[0009] Furthermore, the base support assembly includes a workbench support column, which is fixedly connected to the top center of the bellows cover base. A bottom workbench is fixedly connected to the top of the workbench support column, and a lower support seat is provided at the top axis of the bottom workbench. The product is detachably connected inside the lower support seat.

[0010] Furthermore, the synchronization component includes two synchronization pulleys. One synchronization pulley is fixedly connected to the drive end of the single-phase speed-regulating motor, and the other synchronization pulley is rotatably connected to the rear side of the driven pulley fixing seat. The two synchronization pulleys are connected by a synchronization belt.

[0011] Furthermore, a lower limit sensor is fixedly connected to the bottom end of the precision linear slide rail, and an upper limit sensor is slidably connected to the top end of the precision linear slide rail.

[0012] Furthermore, an upper support block is slidably connected to the rear top of the precision linear slide rail.

[0013] Furthermore, the upper support block is connected to the top of the product.

[0014] Furthermore, the air knife nozzles are evenly distributed around the product on the top of the nozzle mounting platform.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, an air knife with an air outlet of 1*14mm is used, with an air pressure of 0.6MPa and a high-pressure airflow compression ratio of 40:1; four sets of air knives are evenly distributed in a 360-degree circumferential direction to precisely clean each groove and crevic; a 20L vacuum cleaner with a negative pressure capacity of -0.27Mpa and an air consumption of 400L / min; large-capacity negative pressure vacuum cleaning, dust is drawn from the bottom, collecting the blown-off aluminum slag dust, avoiding secondary pollution of the product during cleaning.

[0017] 2. In this utility model, the telescopic bellows cover design concentrates the aluminum slag dust blown off by the air knife inside the bellows cover, preventing it from flying into the surrounding environment, polluting the working environment, and harming human health; the cleaning travel distance is 0-1800mm, and the cleaning speed is 50mm / s; it can clean products with long frame borders up to 85 inches, with a uniform and stable cleaning speed, improving efficiency by 40% compared to manual cleaning; the equipment cleaning effect is stable and controllable, improving the yield rate by 50% compared to manual cleaning. Attached Figure Description

[0018] Figure 1 This is a perspective view of an automatic air knife cleaning device proposed in this utility model;

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0021] Figure 4 This is a schematic diagram of the telescopic bellows cover structure of an automatic air knife cleaning device proposed in this utility model;

[0022] Figure 5 for Figure 4 Enlarged view of point C in the middle.

[0023] Legend:

[0024] 10. Precision linear guide rail; 20. Upper limit sensor; 30. Synchronous belt; 40. Synchronous pulley; 50. Single-phase speed-regulating motor; 60. Upper support block; 110. Vacuum suction pipe; 120. Equipment frame; 130. Negative pressure vacuum suction cylinder; 140. Product; 150. Air knife nozzle; 160. Nozzle mounting platform; 170. Telescopic bellows cover; 180. Bellows cover base; 210. Lower support base; 220. Bottom worktable; 230. Worktable support column; 240. Lower limit sensor; 250. Driven wheel fixing base. Detailed Implementation

[0025] 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.

[0026] Reference Figure 1 , Figure 3 and Figure 5 This utility model provides an embodiment of an automatic air knife cleaning device, including a frame 120. A single-phase speed-regulating motor 50 is installed at the top of the frame 120. A driven wheel fixing seat 250 is fixedly connected to the bottom front side of the frame 120. The driven wheel fixing seat 250 is connected to the driven wheel fixing seat 250 through a synchronization component. A precision linear slide rail 10 is provided at the left end of the frame 120. A bellows cover base 180 is installed at the top left end of the frame 120. A telescopic bellows cover 170 is fixedly connected to the top of the base 180. An air nozzle mounting platform 160 is fixedly connected to the top of the telescopic bellows cover 170. The air nozzle mounting platform 160 is slidably connected to the precision linear slide rail 10. The right end of the air nozzle mounting platform 160 is connected to the synchronization component. The bellows cover base 180 is connected to the product 140 through the bottom support component. An air knife nozzle 150 is set at the top center of the air nozzle mounting platform 160. The air knife nozzle 150 is connected to the lower support base 210 through the product 140.

[0027] Telescopic negative pressure dust collection devices, with their multi-angle directional air knife modules, prevent waste or other pollutants from spreading into the air during cleaning operations. This avoids air and environmental pollution, which would otherwise require subsequent cleaning and pose a threat to the health of other workers. In contrast, telescopic accordion covers vertically surround the moving cleaning air knives, with a pneumatic negative pressure vacuum cleaner installed at the bottom. When the air knives blow air downwards at an angle, the airflow creates a negative pressure siphon at the accordion opening, while the bottom suction enhances the siphon effect, maintaining a constant negative pressure environment. This ensures that blown-off aluminum shavings and dust are promptly drawn into the bottom suction pipe, preventing dust from splashing during cleaning and contaminating the work environment and cleaning products. This effectively improves cleaning quality, enhances the working environment, and prevents workers from inhaling dust and harming their health.

[0028] According to the equipment plan requirements, select the power and speed parameters of the drive motor, configure the air knife and vacuum suction start / stop solenoid valve, lifting limit switch, electrical control equipment box and electrical protection configuration, and according to the equipment plan operation requirements, after the product is vertically clamped on the fixed fixture, start the equipment for automatic cleaning operation with one key, open the air knife for cleaning, and the motor drives the lifting platform up and down in a cycle for cleaning, and automatically stop after completion.

[0029] Reference Figure 2 , Figure 4 and Figure 5 The equipment frame 120 has a negative pressure vacuum cleaner 130 installed inside its right end. A vacuum suction pipe 110 is installed on the top of the negative pressure vacuum cleaner 130. The left end of the vacuum suction pipe 110 is connected to the center of the bottom of the bellows-cover base 180. The product 140 is installed directly above the orthographic projection of the center of the top of the bellows-cover base 180. The base support assembly includes a workbench support column 230, which is fixedly connected to the center of the top of the bellows-cover base 180. A bottom workbench 220 is fixedly connected to the top of the workbench support column 230. A lower support seat 210 is located at the top axis of the bottom workbench 220. The lower support seat 210 is detachably connected to the product... Product 140, the synchronization component includes two synchronous pulleys 40, one synchronous pulley 40 is fixedly connected to the drive end of the single-phase speed regulating motor 50, and the other synchronous pulley 40 is rotatably connected to the rear side of the driven pulley fixing seat 250. The two synchronous pulleys 40 are connected by a synchronous belt 30. The bottom end of the precision linear slide rail 10 is fixedly connected to a lower limit sensor 240, the top end of the precision linear slide rail 10 is slidably connected to an upper limit sensor 20, and the rear top end of the precision linear slide rail 10 is slidably connected to an upper support block 60. The upper support block 60 is connected to the top end of product 140. The air knife nozzles 150 are evenly distributed around the top of the nozzle mounting platform 160 with product 140 as the axis.

[0030] Multi-angle directional air knife cleaning addresses the issue of products with elongated, irregular cross-sections containing multiple narrow grooves. Aluminum residue is often hidden within these grooves, requiring airflow to be directed precisely into them for cleaning. By installing multiple air knives on parallel cross-sections at fixed angles, the airflow is directed towards each groove. With automatic electrical control, multiple air knives simultaneously perform airflow cleaning, improving cleaning efficiency and preventing secondary contamination of already cleaned areas by cleaning in individual directions. This creates a circular cleaning process around the product's length, effectively enhancing cleaning quality.

[0031] Working principle: The vacuum suction pipe 110 is connected to the center of the bellows cover base 180 and faces the lower end of the product 140; the lower support base 210 is fixed to the bottom worktable 220, and the upper support block 60 is fixed to the vertical lifting module column, the height of which can be adjusted according to the length of the product 140; the vertical lifting module is installed on the equipment frame 120 and is driven by a single-phase speed-regulating motor 50, synchronous belt 30, and synchronous pulley 40; limit sensors are installed at both the upper and lower ends of the lifting module column, the lower limit sensor 240 is fixed, and the upper limit sensor 20 is adjusted in height according to the length of the product 140. The lifting operation is based on the limit feedback signal. The device stops when it reaches the upper or lower limit. Four air knife nozzles 150 are evenly distributed around the product 140 and fixed to the nozzle mounting platform 160. The nozzle mounting platform 160 is fixed on the linear block of the lifting module and moves up and down with the slider to blow air for cleaning. The telescopic bellows cover 170 is centered on the product 140, with its bottom fixed to the lower base and its top fixed to the nozzle mounting platform 160. It extends and retracts with the lifting module. The air knife airflow is blown in from the top of the telescopic bellows cover 170 and flows out from the bottom vacuum suction pipe 110, so that the blown aluminum slag dust is sucked down inside the telescopic bellows cover 170 and does not fly around. In addition, the entire device also includes a precision linear slide rail 10, a driven wheel fixed by a driven wheel fixing seat 250, a bottom worktable 220 supported by a worktable support column 230, and a vacuum suction pipe 110 connected to a negative pressure vacuum suction cylinder 130.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An air-knife automatic cleaning apparatus, characterized by: The device includes a frame (120), on which a single-phase speed-regulating motor (50) is mounted. A driven wheel mounting base (250) is fixedly connected to the bottom front side of the frame (120). The driven wheel mounting base (250) is connected to the driven wheel mounting base (250) via a synchronization component. A precision linear slide rail (10) is provided on the left side of the frame (120). A bellows cover base (180) is mounted on the top left side of the frame (120). A telescopic mechanism is fixedly connected to the top of the bellows cover base (180). The bellows cover (170) is telescopic and has a nozzle mounting platform (160) fixedly connected to its top. The nozzle mounting platform (160) is slidably connected to a precision linear slide rail (10). The right end of the nozzle mounting platform (160) is connected to a synchronization component. The bellows cover base (180) is connected to a product (140) through a bottom support component. An air knife nozzle (150) is set at the top center of the nozzle mounting platform (160). The air knife nozzle (150) is connected to a lower support base (210) through the product (140).

2. The automatic cleaning device for a wind knife according to claim 1, characterized in that: The negative pressure vacuum cleaner (130) is installed inside the right end of the equipment frame (120). A vacuum suction pipe (110) is provided on the top of the negative pressure vacuum cleaner (130). The left end of the vacuum suction pipe (110) is connected to the bottom center of the bellows base (180). The installation position of the product (140) is located directly above the orthographic projection of the top center of the bellows base (180).

3. The automatic cleaning device for a wind knife according to claim 1, wherein: The base support assembly includes a workbench support column (230), which is fixedly connected to the top center of the bellows cover base (180). A bottom workbench (220) is fixedly connected to the top of the workbench support column (230), and a lower support seat (210) is provided at the top axis of the bottom workbench (220). A product (140) is detachably connected inside the lower support seat (210).

4. The automatic cleaning device for a wind knife according to claim 1, wherein: The synchronization component includes two synchronization pulleys (40). One synchronization pulley (40) is fixedly connected to the drive end of a single-phase speed-regulating motor (50), and the other synchronization pulley (40) is rotatably connected to the rear side of a driven pulley fixing seat (250). The two synchronization pulleys (40) are connected by a synchronization belt (30).

5. The automatic cleaning device for a wind knife according to claim 1, wherein: The bottom end of the precision linear slide rail (10) is fixedly connected to a lower limit sensor (240), and the top end of the precision linear slide rail (10) is slidably connected to an upper limit sensor (20).

6. The automatic air knife cleaning device according to claim 1, characterized in that: The precision linear slide rail (10) is slidably connected to an upper support block (60) at its rear top.

7. An automatic cleaning device for a wind knife according to claim 6, characterized in that: The upper support block (60) is connected to the top of the product (140).

8. The automatic cleaning device for a wind knife according to claim 1, wherein: The air knife nozzles (150) are evenly distributed around the product (140) on the top of the nozzle mounting platform (160).

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