Automatic powder spraying device capable of adjusting powder spraying amount

Abstract

The utility model relates to the technical field of automatic powder spraying, and discloses an automatic powder spraying device capable of adjusting powder spraying amount, which comprises a shell, a switch is mounted on the outer side of the shell, a valve core is slidably connected to the top of the shell, a transfer box is mounted on the side surface of the shell through an air pipe, and a storage box is mounted on the top of the transfer box. According to the automatic powder spraying device capable of adjusting the powder spraying amount, the switch on the outer side of the shell can directly cut off a gas source and is convenient to maintain and clean, the baffle is arranged at the bottom of the valve element, the spring is arranged at the top of the baffle, and the gas flow is adjusted to adjust the powder spraying amount by adjusting the compression amount of the spring and the opening-closing degree of the baffle; the first photoelectric particle sensor is used for monitoring the powder concentration in the transfer box, the adjusting plate in the ball valve can adjust the passing amount of powder, the second photoelectric particle sensor is used for detecting the powder concentration in the conveying pipeline, the powder spraying amount is convenient to adjust, and the infrared sensor is used for detecting the remaining amount of powder in the storage box, and timely adding is convenient.

Description

An automatic powder spraying device with adjustable powder spraying volume Technical Field

[0001] This utility model relates to the field of automatic powder spraying technology, specifically to an automatic powder spraying device with adjustable powder spraying volume. Background Technology

[0002] With the continuous improvement of industrial production automation, powder coating technology has been widely used in powder coating, powder spraying and other fields. Powder coating has the advantages of high efficiency, environmental protection and no pollution, and excellent coating performance, and has become an important alternative to traditional liquid coatings.

[0003] Traditional powder coating equipment often uses a fixed powder coating volume design, which cannot meet the changes in different process conditions and product requirements, resulting in resource waste or unstable coating quality. Some devices have relatively simple adjustment structures, resulting in poor flexibility. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides an automatic powder spraying device with adjustable powder spraying volume to solve the problems mentioned in the background section.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: an automatic powder spraying device with adjustable powder spraying volume, comprising an outer casing, a switch installed on the outer side of the casing, a valve core slidably connected to the top of the casing, a nut threadedly connected to the outer side of the valve core, a transfer box installed on the side of the casing via an air pipe, a storage box installed on the top of the transfer box, a feeding port installed on the top of the storage box, a motor installed on the top of the storage box, and a ball valve connected to the side of the transfer box via a conveying pipe.

[0008] Preferably, a baffle is installed at the bottom of the valve core, a spring is installed at the top of the baffle, and the other end of the spring is fixedly installed on the top surface inside the housing.

[0009] Preferably, a flow rate sensor is installed on the outside of the trachea, and a second photoelectric particle sensor is installed on the outside of the delivery pipe.

[0010] Preferably, a rotating shaft is fixedly installed at the output end of the motor, and several stirring blades and scrapers are installed on the outer circumference of the rotating shaft, with the stirring blades and scrapers being staggered vertically.

[0011] Preferably, a first photoelectric particle sensor is installed on the top of the transfer box, and an infrared sensor is installed on the top of the storage box.

[0012] Preferably, the ball valve has an adjusting plate installed inside, and a threaded groove is provided on the pipe on the right side of the ball valve.

[0013] Compared with the prior art, this utility model provides an automatic powder spraying device with adjustable powder spraying volume, which has the following beneficial effects: The automatic powder spraying device with adjustable powder spraying volume has a switch on the outside of the outer shell that can directly cut off the gas source, facilitating maintenance and cleaning. The bottom of the valve core has a baffle, and the top of the baffle has a spring. By adjusting the compression of the spring, the opening and closing degree of the baffle is adjusted, and the powder spraying volume is adjusted by regulating the gas flow rate. A first photoelectric particle sensor is installed on the top of the transfer box to monitor the powder concentration inside the transfer box, improving the uniformity of spraying. The stirring blade and scraper at the motor output end improve the stability of feeding and the uniformity of spraying. The adjusting plate inside the ball valve can adjust the powder throughput. A second photoelectric particle sensor is installed on the outside of the conveying pipe to detect the powder concentration inside the conveying pipe, facilitating the adjustment of the powder spraying volume. An infrared sensor is used to detect the remaining amount of powder inside the storage box, facilitating timely replenishment. Attached Figure Description

[0014] Figure 1 is a three-dimensional structural diagram of this utility model;

[0015] Figure 2 is a schematic diagram of the spring structure of this utility model;

[0016] Figure 3 is a schematic diagram of the rotating shaft structure of this utility model;

[0017] Figure 4 is a schematic diagram of the threaded groove structure of this utility model.

[0018] In the diagram: 1. Outer casing; 2. Switch; 3. Nut; 4. Valve core; 5. Air pipe; 6. Storage box; 7. Feed port; 8. Ball valve; 9. Baffle; 10. Spring; 11. Flow rate sensor; 12. First photoelectric particle sensor; 13. Motor; 14. Shaft; 15. Infrared sensor; 16. Stirring blade; 17. Scraper; 18. Transfer box; 19. Conveying pipe; 20. Second photoelectric particle sensor; 21. Threaded groove; 22. Adjusting plate. Detailed Implementation

[0019] 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.

[0020] As shown in Figures 1-4, this utility model provides a technical solution: an automatic powder spraying device with adjustable powder spraying volume, comprising an outer shell 1, a switch 2 installed on the outer side of the outer shell 1, a valve core 4 slidably connected to the top of the outer shell 1, a nut 3 threadedly connected to the outer side of the valve core 4, a transfer box 18 installed on the side of the outer shell 1 through an air pipe 5, a storage box 6 installed on the top of the transfer box 18, a feeding port 7 installed on the top of the storage box 6, a motor 13 installed on the top of the storage box 6, and a ball valve 8 connected to the side of the transfer box 18 through a conveying pipe 19.

[0021] Furthermore, a baffle 9 is installed at the bottom of the valve core 4, and a spring 10 is installed at the top of the baffle 9. The other end of the spring 10 is fixedly installed on the top surface inside the housing 1.

[0022] Specifically, the compression of the spring 10 can be adjusted by the nut 3 and the valve core 4, which facilitates the adjustment of the gas passing through the transfer box 18 to regulate the amount of powder sprayed.

[0023] Furthermore, a flow rate sensor 11 is installed on the outside of the trachea 5, and a second photoelectric particle sensor 20 is installed on the outside of the delivery pipe 19.

[0024] Specifically, the flow rate sensor 11 can monitor the gas flow rate inside the trachea 5 per unit time, and the second photoelectric particle sensor 20 is used to detect the distribution of powder, so as to estimate the powder concentration inside the delivery pipe 19 for adjustment.

[0025] Furthermore, a rotating shaft 14 is fixedly installed at the output end of the motor 13, and several stirring blades 16 and scrapers 17 are installed on the outer circumference of the rotating shaft 14, with the stirring blades 16 and scrapers 17 installed in a staggered manner.

[0026] Specifically, the stirring blade 16 prevents powder from clumping, the scraper 17 prevents residue, and the staggered installation improves space utilization.

[0027] Furthermore, a first photoelectric particle sensor 12 is installed on the top of the transfer box 18, and an infrared sensor 15 is installed on the top of the storage box 6.

[0028] Specifically, the first photoelectric particle sensor 12 is used to detect the concentration of powder inside the transfer box 18, so as to facilitate timely addition, and the infrared sensor 15 can be used to detect the remaining amount of powder inside the storage box 6, thereby improving the overall stability of powder spraying.

[0029] Furthermore, an adjusting plate 22 is installed inside the ball valve 8, and a threaded groove 21 is opened on the pipe on the right side of the ball valve 8.

[0030] Specifically, the adjusting plate 22 is used to adjust the powder flow rate, and the threaded groove 21 facilitates the installation of nozzles of different specifications, improving flexibility.

[0031] Working principle: First, a switch 2 is installed on the outside of the outer shell 1, which can directly cut off the gas source. A valve core 4 is slidably connected to the top of the outer shell 1. A nut 3 is threadedly connected to the outside of the valve core 4. A baffle 9 is installed at the bottom of the valve core 4. A spring 10 is installed at the top of the baffle 9. By adjusting the compression of the spring 10, the airflow through the air pipe 5 is adjusted to regulate the amount of powder sprayed. Second, a transfer box 18 is installed on the side of the outer shell 1 through the air pipe 5. A first photoelectric particle sensor 12 is installed on the top of the transfer box 18 to monitor the powder concentration inside the transfer box 18. Finally, a motor 13 is installed on the top of the storage box 6. A stirring blade 16 and a scraper 17 are installed at the output end of the motor 13 to improve the stability of feeding. An adjusting plate 22 is installed inside the ball valve 8. The adjusting plate 22 can adjust the powder throughput. A second photoelectric particle sensor 20 is installed on the outside of the conveying pipe 19 to detect the powder concentration inside the conveying pipe 19 for easy adjustment.

[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. An automatic powder spraying device with adjustable powder spraying amount, comprising an outer casing (1), characterized in that: A switch (2) is installed on the outside of the outer shell (1). A valve core (4) is slidably connected to the top of the outer shell (1). A nut (3) is threadedly connected to the outside of the valve core (4). A transfer box (18) is installed on the side of the outer shell (1) through an air pipe (5). A storage box (6) is installed on the top of the transfer box (18). A feeding port (7) is installed on the top of the storage box (6). A motor (13) is installed on the top of the storage box (6). The side of the transfer box (18) is connected to a ball valve (8) through a conveying pipe (19).

2. The automatic powder spraying device with adjustable powder spraying amount according to claim 1, characterized in that: A baffle (9) is installed at the bottom of the valve core (4), and a spring (10) is installed at the top of the baffle (9). The other end of the spring (10) is fixedly installed on the top surface inside the outer casing (1).

3. The automatic powder spraying device with adjustable powder spraying amount according to claim 1, characterized in that: A flow rate sensor (11) is installed on the outside of the trachea (5), and a second photoelectric particle sensor (20) is installed on the outside of the delivery pipe (19).

4. The automatic powder spraying device with adjustable powder spraying amount according to claim 1, characterized in that: The output end of the motor (13) is fixedly installed with a rotating shaft (14). Several stirring blades (16) and scrapers (17) are installed on the outer circumference of the rotating shaft (14). The stirring blades (16) and scrapers (17) are installed in a staggered manner.

5. The automatic powder spraying device with adjustable powder spraying amount according to claim 1, characterized in that: The top of the transfer box (18) is equipped with a first photoelectric particle sensor (12), and the top of the storage box (6) is equipped with an infrared sensor (15).

6. The automatic powder spraying device with adjustable powder spraying amount according to claim 1, characterized in that: An adjusting plate (22) is installed inside the ball valve (8), and a threaded groove (21) is provided on the pipe on the right side of the ball valve (8).

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