Dry type filter element dust removal device for thermal spraying
By installing dust removal nozzles and a rotating mechanism on the feeder, the problem of lack of dust removal in thermal spraying equipment is solved, effectively removing dust and ensuring a clean and safe working environment.
Patent Information
- Application Number
- CN202520201722.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing thermal spraying equipment lacks dust removal capabilities, making the working environment susceptible to dust pollution, and static electricity accumulation poses a potential hazard.
A dust removal nozzle is installed on one side of the feeder and fixed by a sliding and rotating mechanism to achieve effective use of the dust removal nozzle, capturing and removing dust.
It effectively prevents dust generation, protects worker health, and reduces the risk of static electricity buildup.
Smart Images

Figure CN223790238U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of thermal spraying equipment, specifically to a dry filter dust removal device for thermal spraying. Background Technology
[0002] Thermal spraying involves heating and melting coating materials, atomizing them into extremely fine particles through a high-speed airflow, and spraying them onto the surface of the workpiece at a very high speed to form a coating that gives the workpiece one or more properties such as wear resistance, corrosion resistance, oxidation resistance, and heat resistance.
[0003] However, existing thermal spraying equipment still has some problems in use:
[0004] Currently, most existing thermal spraying equipment lacks dust removal capabilities, making the thermal spraying work environment susceptible to contamination from splashing dust. Furthermore, the static electricity carried by material particles entering the air can accumulate to a certain extent and pose a potential hazard.
[0005] To address the aforementioned issues, an innovative design was implemented based on the existing thermal spraying equipment. Utility Model Content
[0006] The purpose of this invention is to provide a dry filter dust removal device for thermal spraying, so as to solve the dust removal problem mentioned in the background art.
[0007] To achieve the above objectives, the present invention provides the following technical solution: a dry filter dust removal device for thermal spraying, comprising a thermal spraying device, wherein a feeder is installed on the top of the thermal spraying device, a filter screen is installed inside the feeder, an opening is provided on one inner wall of the feeder, a dust removal nozzle is slidably installed in the opening, a fixing groove is provided at the bottom of the dust removal nozzle, a fixing rod is slidably installed in the fixing groove, one end of the fixing rod extends into the fixing groove, and the other end of the fixing rod extends out of the fixing groove;
[0008] A rotating groove is provided on one side of the feeder. One end of a support rod is fixedly installed on the top inner wall of the rotating groove. A first rotating shaft is rotatably installed on the other end of the support rod. A rotating rod is rotatably installed on the first rotating shaft. One end of the rotating rod extends into the rotating groove, and the other end extends out of the rotating groove. The end of the fixed rod extending out of the fixed groove is fixedly connected to the top of the rotating rod.
[0009] One end of a thin rod is fixedly installed on one side of the bottom of the rotating rod, and a second rotating shaft is rotatably installed on the other end of the thin rod. A counterweight is rotatably installed on the second rotating shaft.
[0010] A sliding hole is provided on the top inner wall of the rotating groove, and a sliding rod is slidably installed in the sliding hole. One end of the sliding rod extends into the rotating groove, and the other end of the sliding rod extends out of the rotating groove.
[0011] A locking rod is fixedly installed on one side of the sliding rod.
[0012] Preferably, the dust removal nozzle is located above the rotating rod.
[0013] Using the above technical solution, the dust removal nozzle is used for dust removal.
[0014] Preferably, the fixing rod is adapted to the fixing groove.
[0015] Using the above technical solution, the fixing rod is used to fix the dust removal nozzle.
[0016] Preferably, the counterweight is located on the bottom side of the rotating rod extending into the rotating groove.
[0017] Using the above technical solution, the counterweight is used to drive the rotating rod to rotate.
[0018] Preferably, the sliding rod extends to one side outside the rotating groove and contacts one side of the dust removal nozzle. One end of the first spring is fixedly installed on one side of the sliding rod, and the other end of the first spring is fixedly connected to the inner wall of one side of the sliding hole.
[0019] Using the above technical solution, the sliding rod is used to drive the locking rod to move horizontally.
[0020] Preferably, the lever is located on the side of the sliding rod closer to the counterweight.
[0021] Using the above technical solution, the clamp rod is used to fix the counterweight after rotation.
[0022] Compared with the prior art, the beneficial effects of this utility model are:
[0023] Before thermal spraying, sandblasting is required to remove impurities from the surface of the workpiece. However, when the sand feeder enters the thermal spraying equipment, it generates a large amount of dust, which can affect the health of workers. A dust removal nozzle is installed on one side of the feeder to wet the sand as it falls into the thermal spraying equipment, thus avoiding the generation of a large amount of dust that could affect the health of workers. Attached Figure Description
[0024] Figure 1 This is a front view of the structure of this utility model;
[0025] Figure 2 This is a front view of the dust removal nozzle structure of this utility model;
[0026] Figure 3 This is a front view of the counterweight block of this utility model.
[0027] In the diagram: 1. Thermal spraying equipment; 2. Feeder; 3. Filter screen; 4. Opening; 5. Dust removal nozzle; 6. Fixing groove; 7. Fixing rod; 8. Rotating groove; 9. Support rod; 10. Rotating rod; 11. Thin rod; 12. Counterweight; 13. Sliding hole; 14. Sliding rod; 15. Clamping rod. Detailed Implementation
[0028] 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.
[0029] Please see Figure 1-3 This utility model provides a technical solution: a dry filter dust removal device for thermal spraying, including a thermal spraying device 1, a feeder 2 installed on the top of the thermal spraying device 1, a filter screen 3 installed inside the feeder 2, an opening 4 opened on one side inner wall of the feeder 2, a dust removal nozzle 5 slidably installed in the opening 4, a fixing groove 6 opened at the bottom of the dust removal nozzle 5, a fixing rod 7 slidably installed in the fixing groove 6, one end of the fixing rod 7 extending into the fixing groove 6, and the other end of the fixing rod 7 extending out of the fixing groove 6.
[0030] Combination Figure 1-2 As shown, a rotating groove 8 is provided on one side of the feeder 2. One end of a support rod 9 is fixedly installed on the inner wall of the top of the rotating groove 8. A first rotating shaft is rotatably installed on the other end of the support rod 9. A rotating rod 10 is rotatably installed on the first rotating shaft. One end of the rotating rod 10 extends into the rotating groove 8, and the other end of the rotating rod 10 extends out of the rotating groove 8. One end of the fixed rod 7 extending out of the fixed groove 6 is fixedly connected to the top of the rotating rod 10. One end of a thin rod 11 is fixedly installed on one side of the bottom of the rotating rod 10. A second rotating shaft is rotatably installed on the other end of the thin rod 11. A counterweight 12 is rotatably installed on the second rotating shaft.
[0031] Combination Figure 1-3 As shown, a sliding hole 13 is provided on the top inner wall of the rotating groove 8. A sliding rod 14 is slidably installed in the sliding hole 13. One end of the sliding rod 14 extends into the rotating groove 8, and the other end of the sliding rod 14 extends out of the rotating groove 8. A locking rod 15 is fixedly installed on one side of the sliding rod 14.
[0032] Combination Figure 1-3As shown, the dust removal nozzle 5 is located above the rotating rod 10, the fixed rod 7 is adapted to the fixed groove 6, the counterweight 12 is located on the bottom side of the rotating rod 10 extending into the rotating groove 8, the sliding rod 14 extends to the side outside the rotating groove 8 and contacts one side of the dust removal nozzle 5, one end of the first spring is fixedly installed on one side of the sliding rod 14, the other end of the first spring is fixedly connected to the inner wall of one side of the sliding hole 13, and the locking rod 15 is located on the side of the sliding rod 14 near the counterweight 12.
[0033] In this invention, when dust removal is required, firstly, manually rotate the rotating rod 10 downwards. The rotating rod 10 drives the fixed rod 7 downwards, and simultaneously, the rotating rod 10 drives the thin rod 11 upwards. The thin rod 11 drives the second rotating shaft upwards, and the second rotating shaft drives the counterweight 12 upwards. Then, the first spring drives the sliding rod 14 horizontally, and the sliding rod 14 drives the locking rod 15 horizontally. The locking rod 15 supports the counterweight 12. Then, the dust removal nozzle 5 is inserted into the opening 4. The dust removal nozzle 5 drives the sliding rod 14 horizontally, and the sliding rod 14 drives the locking rod 15 horizontally. Then, the counterweight 12 moves downwards under the influence of gravity, and the counterweight 12 drives the second rotating shaft downwards. The second rotating shaft drives the thin rod 11 downwards, and the thin rod 11 drives the rotating rod 10 to rotate. The rotating rod 10 drives the fixed rod 7 upwards, and the fixed rod 7 is inserted into the fixing groove 6. Then, the dust removal nozzle 5 is activated, thereby achieving the purpose of dust removal.
[0034] The contents not described in detail in this specification are prior art known to those skilled in the art. 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 the present invention is defined by the appended claims and their equivalents.
Claims
1. A dry filter cartridge dust removal device for thermal spraying, comprising thermal spraying equipment (1), characterized in that: The thermal spraying equipment (1) is equipped with a feeder (2) on top, a filter screen (3) is installed inside the feeder (2), an opening (4) is provided on one side inner wall of the feeder (2), a dust removal nozzle (5) is slidably installed in the opening (4), a fixing groove (6) is provided at the bottom of the dust removal nozzle (5), a fixing rod (7) is slidably installed in the fixing groove (6), one end of the fixing rod (7) extends into the fixing groove (6), and the other end of the fixing rod (7) extends out of the fixing groove (6); The feeder (2) has a rotating groove (8) on one side. One end of a support rod (9) is fixedly installed on the inner wall of the top of the rotating groove (8). The other end of the support rod (9) is rotatably installed with a first rotating shaft. A rotating rod (10) is rotatably installed on the first rotating shaft. One end of the rotating rod (10) extends into the rotating groove (8), and the other end of the rotating rod (10) extends out of the rotating groove (8). The end of the fixed rod (7) extending out of the fixed groove (6) is fixedly connected to the top of the rotating rod (10). One end of a thin rod (11) is fixedly installed on one side of the bottom of the rotating rod (10), and a second rotating shaft is rotatably installed on the other end of the thin rod (11), and a counterweight (12) is rotatably installed on the second rotating shaft; A sliding hole (13) is provided on the top inner wall of the rotating groove (8). A sliding rod (14) is slidably installed in the sliding hole (13). One end of the sliding rod (14) extends into the rotating groove (8), and the other end of the sliding rod (14) extends out of the rotating groove (8). A locking rod (15) is fixedly installed on one side of the sliding rod (14).
2. The dry filter dust removal device for thermal spraying according to claim 1, characterized in that: The dust removal nozzle (5) is located above the rotating rod (10).
3. The dry filter dust removal device for thermal spraying according to claim 1, characterized in that: The fixing rod (7) is adapted to the fixing groove (6).
4. The dry filter dust removal device for thermal spraying according to claim 1, characterized in that: The counterweight (12) is located on the bottom side of the rotating rod (10) extending into the rotating groove (8).
5. A dry filter cartridge dust removal device for thermal spraying according to claim 1, characterized in that: The sliding rod (14) extends to one side outside the rotating groove (8) and contacts one side of the dust removal nozzle (5). One end of the first spring is fixedly installed on one side of the sliding rod (14), and the other end of the first spring is fixedly connected to the inner wall of one side of the sliding hole (13).
6. The dry filter dust removal device for thermal spraying according to claim 1, characterized in that: The lever (15) is located on the side of the sliding rod (14) near the counterweight (12).