A laser cladding gradient powder feeding device

Abstract

The utility model relates to a kind of laser cladding gradient powder feeding devices, belong to laser cladding technical field, including connecting bin, the top surface of the connecting bin is placed with the storage bin of two and one end penetrates through connecting bin and extends to its inside, the inside fixed connection of the connecting bin is baffle, the baffle is equipped with the weighing assembly for weighing storage bin, the weighing assembly includes four connecting plates, four The left side and right side of two storage bin are respectively fixedly connected on four connecting plate, the bottom surface of four connecting plate is placed with weighing sensor.The laser cladding gradient powder feeding device, the weight of storage bin is monitored in real time by the action of weighing sensor, accurate proportioning is realized, and the powder discharge is conveniently controlled by the action of first solenoid valve, convenient for operator to operate, at the same time, the stability of storage bin is improved by the sliding connection between sliding plate case and sliding groove.

Description

Technical Field

[0001] This utility model relates to the field of laser cladding technology, specifically to a laser cladding gradient powder feeding device. Background Technology

[0002] Laser cladding is an advanced surface modification technology that uses a high-energy-density laser beam to rapidly melt alloy powders with different compositions and properties onto the surface of a substrate, forming a cladding layer that has a metallurgical bond with the substrate. This significantly improves the surface properties of the substrate, achieving purposes such as wear resistance, corrosion resistance, and oxidation resistance. Laser cladding, also known as laser welding or laser coating, is a new surface modification technology.

[0003] The patent CN208917309U discloses a powder feeding device for realizing gradient changes in laser cladding materials. This patent discloses a technical solution to improve production efficiency and solves the problems of existing powder feeding devices that easily cause blockage of the powder feeding pipe and laser cladding head, reducing production efficiency, low powder utilization efficiency, and inability to realize real-time gradient changes of multiple powders during the cladding process.

[0004] When in use, the device filters the powder through a first screen to prevent impurities from entering the molten pool and affecting the cladding quality. However, it is not convenient to accurately mix various powders, which reduces the effectiveness of use. Therefore, a laser cladding gradient powder feeding device is proposed to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a laser cladding gradient powder feeding device, which has the advantage of precise proportioning and solves the problem that existing powder feeding devices are not convenient for accurately proportioning various powders, thus reducing the effectiveness of use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A laser cladding gradient powder feeding device includes a connecting chamber, on the top surface of which are placed two storage chambers, one end of which penetrates through the connecting chamber and extends into its interior. A partition is fixedly connected inside the connecting chamber, and a weighing component is provided on the partition for weighing the storage chambers.

[0007] The weighing assembly includes four connecting plates, which are fixedly connected to the left and right sides of the two storage compartments respectively. A weighing sensor is placed on the bottom surface of each of the four connecting plates. The four weighing sensors are fixedly installed on the top surface of the partition. A conveying pipe with one end penetrating the partition and extending to its bottom is fixedly connected to the inner bottom wall of each of the two storage compartments. A first solenoid valve is fixedly installed on the outer peripheral wall of each of the two conveying pipes. A sliding groove is formed on the left and right inner walls of the connecting compartment. A sliding plate with one end extending into the sliding groove is fixedly connected to the side of each of the two storage compartments near the connecting compartment.

[0008] The partition is equipped with a mixing component for mixing powder.

[0009] Both storage compartments are equipped with filter components for filtering impurities.

[0010] Furthermore, the connecting chamber is shaped like a hollow cylinder, and the sliding plate and the sliding groove are slidably connected.

[0011] Furthermore, the top surface of the partition has two first through holes, and the two conveying pipes pass through the two first through holes and are fitted with them with a clearance. The top surface of the connecting chamber has two second through holes, and the two storage chambers pass through the two second through holes and are fitted with them with a clearance.

[0012] Furthermore, the mixing component includes a drive motor, which is fixedly mounted on the top surface of the partition. A battery is fixedly mounted on the inner top wall of the connecting compartment. The output end of the drive motor is fixedly connected to a drive rod that extends through the partition and onto the bottom wall of the connecting compartment. A plurality of agitating rods are fixedly connected to the left and right sides of the drive rod. A scraper is fixedly connected between the sides of the agitating rods on the same side away from the drive rod. A plurality of connecting rods are fixedly connected between two adjacent agitating rods. A discharge hole is provided on the right inner wall of the connecting compartment. A discharge pipe that extends through the connecting compartment and onto its right side is fixedly connected inside the discharge hole. A second solenoid valve is fixedly mounted on the outer peripheral wall of the discharge pipe.

[0013] Furthermore, the drive rod is rotatably connected to the partition and the connecting chamber via two bearings, and the scraper and the connecting chamber are in contact.

[0014] Furthermore, the filter assembly includes a filter plate placed inside the storage compartment. Baffles are fixedly connected to the left and right inner walls of the storage compartment. The bottom surface of the filter plate and the top surfaces of the two baffles are in contact. A filter screen is fixedly embedded in the top surface of the filter plate. A rubber ring is fixedly fitted on the outer peripheral wall of the filter plate. Two positioning holes are opened on the bottom surface of the filter plate. A positioning rod extending into the positioning hole is fixedly connected to the top surface of each of the two baffles.

[0015] Furthermore, the rubber ring is fitted to the storage compartment, and the filter screen is located between the two baffles.

[0016] Furthermore, the two positioning rods are respectively fitted with the two positioning holes with clearance.

[0017] Compared with the prior art, the present invention provides a laser cladding gradient powder feeding device, which has the following beneficial effects: 1. This laser cladding gradient powder feeding device monitors the weight of the storage bin in real time through a weighing sensor to achieve precise proportioning. It also controls the powder discharge conveniently through the first solenoid valve, making it easy for operators to operate. At the same time, the sliding connection between the sliding plate and the sliding groove supports the storage bin and improves its stability. 2. This laser cladding gradient powder feeding device, through the cooperation between the stirring rod and the connecting rod, facilitates powder mixing and improves the usage effect. Through the function of the filter screen, it filters impurities in the air and minimizes the entry of impurities into the storage chamber. At the same time, through the gap cooperation between the positioning rod and the positioning hole, it conveniently restricts the filter plate, making it easy for staff to disassemble and assemble, making it more convenient and practical. Attached Figure Description

[0018] Figure 1 This is a three-dimensional view of the structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the present invention; Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure of A in the middle.

[0019] In the diagram: 1. Connecting chamber, 2. Filter screen, 3. Filter plate, 4. Storage chamber, 5. First solenoid valve, 6. Baffle, 7. Weighing sensor, 8. Connecting plate, 9. Conveying pipe, 10. Sliding groove, 11. Sliding plate, 12. Baffle, 13. Battery, 14. Drive motor, 15. Drive rod, 16. Scraper, 17. Agitator rod, 18. Connecting rod, 19. Discharge hole, 20. Discharge pipe, 21. Second solenoid valve, 22. Positioning hole, 23. Positioning rod, 24. Rubber ring. Detailed Implementation

[0020] 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.

[0021] Please see Figures 1 to 3 The laser cladding gradient powder feeding device in this embodiment includes a connecting chamber 1. Two storage chambers 4 are placed on the top surface of the connecting chamber 1, with one end penetrating through the connecting chamber 1 and extending into its interior. A partition 6 is fixedly connected inside the connecting chamber 1, and a weighing component is provided on the partition 6 for weighing the storage chambers 4.

[0022] The weighing assembly includes four connecting plates 8, which are fixedly connected to the left and right sides of the two storage compartments 4 respectively. Weighing sensors 7 are placed on the bottom surface of each of the four connecting plates 8, and the four weighing sensors 7 are fixedly installed on the top surface of the partition 6. A conveying pipe 9 with one end penetrating through the partition 6 and extending to its bottom is fixedly connected to the inner bottom wall of each of the two storage compartments 4. A first solenoid valve 5 is fixedly installed on the outer peripheral wall of each of the two conveying pipes 9. Sliding grooves 10 are opened on the left and right inner walls of the connecting compartment 1. A sliding plate 11 with one end extending into the sliding groove 10 is fixedly connected to the side of each of the two storage compartments 4 near the connecting compartment 1.

[0023] The connecting chamber 1 is a hollow cylinder. The sliding plate 11 and the sliding groove 10 are slidably connected. The top surface of the partition 6 has two first through holes. The two conveying pipes 9 pass through the two first through holes and are fitted with them with a clearance. The top surface of the connecting chamber 1 has two second through holes. The two storage chambers 4 pass through the two second through holes and are fitted with them with a clearance.

[0024] Specifically, the powder enters the interior of the storage chamber 4, the connecting plate 8 and the weighing sensor 7 are attached to monitor the weight of the powder to achieve accurate proportioning, the first solenoid valve 5 is activated, and the powder is transported to the interior of the connecting chamber 1 through the conveying pipe 9. When the storage chamber 4 moves, the sliding connection between the sliding plate 11 and the sliding groove 10 supports the storage chamber 4 and improves the stability of the storage chamber 4.

[0025] It should be noted that the weighing sensor 7 is a conventional device known to the public in the existing technology, and its specific structure and working principle will not be described in detail in this article.

[0026] Please see Figures 1 to 3In this embodiment, the partition 6 is provided with a mixing component for mixing powder. The mixing component includes a drive motor 14, which is fixedly installed on the top surface of the partition 6. A battery 13 is fixedly installed on the inner top wall of the connecting chamber 1. The output end of the drive motor 14 is fixedly connected to a drive rod 15 that extends through the partition 6 and to the inner bottom wall of the connecting chamber 1. A number of stirring rods 17 are fixedly connected to the left and right sides of the drive rod 15. A scraper 16 is fixedly connected between the sides of the stirring rods 17 on the same side away from the drive rod 15. A number of connecting rods 18 are fixedly connected between two adjacent stirring rods 17. A discharge hole 19 is opened on the right inner wall of the connecting chamber 1. A discharge pipe 20 that extends through the connecting chamber 1 and to its right side is fixedly connected inside the discharge hole 19. A second solenoid valve 21 is fixedly installed on the outer peripheral wall of the discharge pipe 20.

[0027] The drive rod 15 is rotatably connected to the partition 6 and the connecting chamber 1 via two bearings, and the scraper 16 is in contact with the connecting chamber 1.

[0028] Specifically, the drive motor 14 is started, and the output shaft of the drive motor 14 drives the drive rod 15 to rotate, causing the stirring rod 17 and the connecting rod 18 to rotate, mixing the powders. After mixing is completed, the second solenoid valve 21 is started, and the mixed powder is discharged from the connecting chamber 1 through the discharge pipe 20.

[0029] It should be noted that the first solenoid valve 5, the battery 13, and the second solenoid valve 21 are all conventional devices known to the public in the prior art, and their specific structures and working principles will not be described in detail in this article.

[0030] Please see Figures 1 to 3 In this embodiment, both storage compartments 4 are equipped with filter components for filtering impurities. The filter components include filter plates 3, which are placed inside the storage compartments 4. Baffles 12 are fixedly connected to the left and right inner walls of the storage compartments 4. The bottom surface of the filter plate 3 is in contact with the top surface of the two baffles 12. A filter screen 2 is fixedly embedded in the top surface of the filter plate 3. A rubber ring 24 is fixedly fitted on the outer peripheral wall of the filter plate 3. Two positioning holes 22 are opened on the bottom surface of the filter plate 3. A positioning rod 23 with one end extending into the positioning hole 22 is fixedly connected to the top surface of the two baffles 12.

[0031] Among them, the rubber ring 24 is attached to the storage compartment 4, the filter screen 2 is located between the two baffles 12, and the two positioning rods 23 are respectively fitted with the two positioning holes 22.

[0032] Specifically, the powder enters the storage chamber 4, pushing the filter plate 3. The filter plate 3 enters the storage chamber 4 and fits against the baffle 12. The positioning rod 23 is inserted into the positioning hole 22. The filter plate 3 is restricted by the gap between the positioning rod 23 and the positioning hole 22. The filter plate 3 is fixed by the fit between the rubber ring 24 and the storage chamber 4. Through the action of the filter screen 2, impurities are prevented from entering the storage chamber 4 as much as possible.

[0033] The working principle of the above embodiments is as follows: The powder enters the storage chamber 4, pushing the filter plate 3. The filter plate 3 enters the storage chamber 4 and fits against the baffle 12. The positioning rod 23 is inserted into the positioning hole 22. The filter plate 3 is restricted by the gap between the positioning rod 23 and the positioning hole 22. The filter plate 3 is fixed by the fit between the rubber ring 24 and the storage chamber 4. The filter screen 2 helps to prevent impurities from entering the storage chamber 4. The connecting plate 8 and the weighing sensor 7 are attached to monitor the powder weight to achieve accurate proportioning. The first step is started. Solenoid valve 5, through conveying pipe 9, conveys powder into the interior of connecting chamber 1. When storage chamber 4 moves, it is supported by sliding plate 11 and sliding groove 10 to improve the stability of storage chamber 4. Then, drive motor 14 is started. The output shaft of drive motor 14 drives drive rod 15 to rotate, causing stirring rod 17 and connecting rod 18 to rotate and mix the powder. After mixing, second solenoid valve 21 is started, and the mixed powder is discharged from connecting chamber 1 through discharge pipe 20.

[0034] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. Any method that can achieve its beneficial effect can be implemented. In addition, the electrical components in this embodiment are all electrically connected to the main controller and the battery. The main controller can be a conventional known device such as a computer that plays a control role. Those skilled in the art can control the electrical components through simple programming. Moreover, the existing disclosed power connection technology is also common knowledge in the field. Therefore, the specific structural composition and working principle will not be described in detail in this embodiment.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only 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, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0036] 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 laser cladding gradient powder feeding device, comprising a connecting chamber (1), characterized in that: The top surface of the connecting compartment (1) has two storage compartments (4) with one end penetrating through the connecting compartment (1) and extending into its interior. The interior of the connecting compartment (1) is fixedly connected to a partition (6), and the partition (6) is provided with a weighing component for weighing the storage compartment (4). The weighing assembly includes four connecting plates (8), which are fixedly connected to the left and right sides of the two storage compartments (4). Weighing sensors (7) are placed on the bottom surface of each of the four connecting plates (8). The four weighing sensors (7) are fixedly installed on the top surface of the partition (6). A conveying pipe (9) with one end penetrating the partition (6) and extending to its bottom is fixedly connected to the inner bottom wall of each of the two storage compartments (4). A first solenoid valve (5) is fixedly installed on the outer peripheral wall of each of the two conveying pipes (9). Sliding grooves (10) are opened on the left and right inner walls of the connecting compartment (1). A sliding plate (11) with one end extending into the sliding groove (10) is fixedly connected to the side of each of the two storage compartments (4) near the connecting compartment (1). The partition (6) is provided with a mixing component for mixing powder, and both storage compartments (4) are provided with a filtering component for filtering impurities.

2. The laser cladding gradient powder feeding device according to claim 1, characterized in that: The connecting chamber (1) is a hollow cylinder, and the sliding plate (11) and the sliding groove (10) are slidably connected.

3. The laser cladding gradient powder feeding device according to claim 1, characterized in that: The top surface of the partition (6) has two first through holes, and the two conveying pipes (9) pass through the two first through holes and are fitted with them with a gap. The top surface of the connecting chamber (1) has two second through holes, and the two storage chambers (4) pass through the two second through holes and are fitted with them with a gap.

4. The laser cladding gradient powder feeding device according to claim 1, characterized in that: The mixing assembly includes a drive motor (14), which is fixedly installed on the top surface of the partition (6). A battery (13) is fixedly installed on the inner top wall of the connecting chamber (1). The output end of the drive motor (14) is fixedly connected to a drive rod (15) that extends through the partition (6) and to the bottom wall of the connecting chamber (1). A number of stirring rods (17) are fixedly connected to the left and right sides of the drive rod (15). A scraper (16) is fixedly connected between the sides of the stirring rods (17) located on the same side away from the drive rod (15). A number of connecting rods (18) are fixedly connected between two adjacent stirring rods (17). A discharge hole (19) is opened on the inner right side of the connecting chamber (1). A discharge pipe (20) that extends through the connecting chamber (1) and to its right side is fixedly connected inside the discharge hole (19). A second solenoid valve (21) is fixedly installed on the outer peripheral wall of the discharge pipe (20).

5. The laser cladding gradient powder feeding device according to claim 4, characterized in that: The drive rod (15) is rotatably connected to the partition (6) and the connecting chamber (1) respectively through two bearings, and the scraper (16) and the connecting chamber (1) are in contact.

6. The laser cladding gradient powder feeding device according to claim 4, characterized in that: The filter assembly includes a filter plate (3), which is placed inside a storage compartment (4). Baffles (12) are fixedly connected to the left and right inner walls of the storage compartment (4). The bottom surface of the filter plate (3) and the top surface of the two baffles (12) are attached to each other. A filter screen (2) is fixedly embedded on the top surface of the filter plate (3). A rubber ring (24) is fixedly fitted on the outer peripheral wall of the filter plate (3). Two positioning holes (22) are opened on the bottom surface of the filter plate (3). A positioning rod (23) with one end extending into the positioning hole (22) is fixedly connected to the top surface of the two baffles (12).

7. The laser cladding gradient powder feeding device according to claim 6, characterized in that: The rubber ring (24) and the storage compartment (4) are attached together, and the filter screen (2) is located between the two baffles (12).

8. The laser cladding gradient powder feeding device according to claim 6, characterized in that: The two positioning rods (23) are respectively fitted with the two positioning holes (22) with clearance.

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