Spiral powder feeding device

Abstract

The utility model discloses a spiral powder feeding device, and relates to the technical field of powder conveying equipment. Comprising a fixing seat, a storage barrel is fixedly mounted on the upper surface of the fixing seat, a stirring mechanism is mounted in the middle of the upper side wall of the storage barrel, a circular groove is formed in the right side face of the fixing seat, a conveying mechanism is mounted on the fixing seat corresponding to the circular groove, and a conveying pipeline is fixedly mounted on the right side face of the fixing seat corresponding to the conveying mechanism; a discharging hopper is fixedly installed at the position, close to the right side edge, of the lower side wall of the conveying pipeline, a discharging pipe is fixedly installed on the lower surface of the discharging hopper, and a discharging mechanism is arranged on the discharging pipe. The spiral powder feeding device adopts spiral powder feeding, solves the problems of powder accumulation and powder blockage in the free falling process of powder in the cladding process of a semiconductor direct output laser at present, enables the powder to be discharged more uniformly, can adjust the powder discharging speed, is beneficial to use, increases the powder crushing function, and ensures the smooth conveying process.

Description

Technical Field

[0001] The utility model relates to the technical field of powder conveying equipment, in particular to a spiral powder conveying device. Background Art

[0002] As a metal surface modification process, laser cladding technology can achieve corrosion resistance and wear resistance modification of metal surfaces. The core element of the laser cladding technology modification process is the filler used in the process - alloy powder. The performance of the alloy powder determines the performance of the metal after cladding. Alloy powder is different from traditional solder. Traditional solder is mainly welding rods and welding wires. During the welding process, the solder and the molten pool can be butt-welded at any angle. However, due to its own physical properties, alloy powder is in powder form and has a certain fluidity. Therefore, in the laser cladding process, it is necessary to focus on the powder feeding method to ensure the cladding effect.

[0003] In the prior art, conventional powder feeding uses pneumatic powder feeding and gravity powder feeding. Pneumatic powder feeding uses inert gas such as argon as a booster to send the powder to the air release valve bottle through the air pipe. The powder falls to the powder feeding pipe by its own weight in the air discharge valve and is finally sent to the molten pool; gravity powder feeding means that the powder falls freely from a high place to the molten pool under the action of its own gravity. However, whether pneumatic powder feeding or gravity powder feeding is used, the powder finally falls into the molten pool at the powder feeding port by its own gravity, so there is powder accumulation, uneven powder feeding, and the powder feeding speed is difficult to adjust, which is very inconvenient to use. Utility Model Content

[0004] The utility model provides a spiral powder feeding device to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spiral powder feeding device, comprising a fixed seat, a storage barrel is fixedly installed on the upper surface of the fixed seat, a stirring mechanism is installed at the middle position of the upper side wall of the storage barrel, a feeding pipe is arranged on the upper side wall of the storage barrel near the left side, and a sealing cover is threadedly installed on the feeding pipe, a circular groove is opened on the right side surface of the fixed seat, the circular groove is communicated with the storage barrel, a conveying mechanism is installed on the fixed seat corresponding to the circular groove, and a conveying pipe is fixedly installed on the right side surface of the fixed seat corresponding to the conveying mechanism, a discharging hopper is fixedly installed on the lower side wall of the conveying pipe near the right edge position, and a discharging pipe is fixedly installed on the lower surface of the discharging hopper, a discharging mechanism is arranged on the discharging pipe, and the discharging mechanism is transmission-connected to the conveying mechanism through a transmission mechanism.

[0006] Furthermore, the stirring mechanism includes a driving motor, a rotating shaft and stirring blades. The driving motor is installed on the upper surface of the storage barrel. The lower surface of the output shaft of the driving motor is fixedly installed with a rotating shaft, and the rotating shaft is inserted into the storage barrel. The stirring blades are evenly arranged on the rotating shaft.

[0007] Furthermore, the conveying mechanism includes a servo motor and a screw feeding rod, the servo motor is fixedly installed on the left side of the fixing seat, the screw feeding rod is fixedly installed on the right side of the output shaft of the servo motor, and the screw feeding rod is inserted in the conveying pipe.

[0008] Furthermore, the conveying pipeline includes a lower cover, locking bolts and an upper cover, the lower cover is fixedly installed on the right side of the fixing seat, and the upper surface of the lower cover is fixedly installed with the upper cover by the locking bolts.

[0009] Furthermore, the discharge mechanism includes a cylinder, a bearing, a transmission rod and an impeller. The cylinder is fixedly mounted on the discharge pipe. A transmission rod is installed between the left and right side walls of the cylinder through a bearing. An impeller is arranged on the transmission rod inside the cylinder, and the size of the impeller matches the inner diameter of the cylinder.

[0010] Furthermore, the transmission mechanism includes a sprocket and a chain, and sprockets are fixedly mounted on the right end of the spiral feeding rod and the transmission rod, and the upper and lower sprockets are connected by chain transmission.

[0011] Compared with the prior art, the utility model provides a spiral powder feeding device, which has the following beneficial effects:

[0012] 1. The spiral powder feeding device conveys the powder into the conveying pipe by setting a conveying mechanism, and then discharges it through the discharging mechanism, so as to achieve the effect of spiral powder feeding, solve the problems of powder accumulation and powder blockage in the free fall process of the current semiconductor direct output laser cladding process, make the powder discharge more uniform, and can adjust the powder discharge speed, which is convenient for use.

[0013] 2. The spiral powder feeding device crushes the powder in the storage barrel by setting a stirring mechanism to avoid powder condensation, ensure smooth discharge of the storage barrel, and thus make the conveying process of the conveying mechanism smooth. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is a cross-sectional view of the discharging mechanism of the utility model;

[0017] Figure 4It is a cross-sectional view of the utility model.

[0018] In the figure: 1. fixed seat; 2. storage barrel; 3. stirring mechanism; 301. driving motor; 302. rotating shaft; 303. stirring blade; 4. feeding pipe; 5. sealing cover; 6. circular groove; 7. conveying mechanism; 701. servo motor; 702. spiral feeding rod; 8. conveying pipeline; 801. lower cover; 802. locking bolt; 803. upper cover; 9. discharge hopper; 10. discharge pipe; 11. discharge mechanism; 111. cylinder; 112. bearing; 113. transmission rod; 114. impeller; 12. transmission mechanism; 121. sprocket; 122. chain. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 4 The utility model discloses a spiral powder feeding device, comprising a fixed seat 1, a storage barrel 2 is fixedly installed on the upper surface of the fixed seat 1, a stirring mechanism 3 is installed at the middle position of the upper side wall of the storage barrel 2, a feeding pipe 4 is arranged on the upper side wall of the storage barrel 2 near the left side, and a sealing cover 5 is threadedly installed on the feeding pipe 4, a circular groove 6 is opened on the right side of the fixed seat 1, the circular groove 6 is communicated with the storage barrel 2, a conveying mechanism 7 is installed on the fixed seat 1 corresponding to the circular groove 6, and a conveying pipeline 8 is fixedly installed on the right side of the fixed seat 1 corresponding to the conveying mechanism 7, a discharging hopper 9 is fixedly installed on the lower side wall of the conveying pipeline 8 near the right edge position, and a discharging pipe 10 is fixedly installed on the lower surface of the discharging hopper 9, a discharging mechanism 11 is arranged on the discharging pipe 10, and the discharging mechanism 11 is transmission-connected to the conveying mechanism 7 through a transmission mechanism 12.

[0021] Specifically, the stirring mechanism 3 includes a driving motor 301, a rotating shaft 302 and stirring blades 303. The driving motor 301 is installed on the upper surface of the storage barrel 2. The rotating shaft 302 is fixedly installed on the lower surface of the output shaft of the driving motor 301, and the rotating shaft 302 is inserted into the storage barrel 2. The stirring blades 303 are evenly arranged on the rotating shaft 302.

[0022] In this embodiment, the output shaft of the driving motor 301 drives the rotating shaft 302 to rotate, and the rotating shaft 302 drives the stirring blade 303 to rotate. The stirring blade 303 stirs the powder in the storage barrel 2 to prevent the powder from condensing and the powder enters the circular groove 6 more smoothly.

[0023] Specifically, the conveying mechanism 7 includes a servo motor 701 and a screw feeding rod 702 . The servo motor 701 is fixedly installed on the left side of the fixing seat 1 . The screw feeding rod 702 is fixedly installed on the right side of the output shaft of the servo motor 701 , and the screw feeding rod 702 is inserted into the conveying pipe 8 .

[0024] In this embodiment, the output shaft of the servo motor 701 drives the screw feeding rod 702 to rotate, so that the screw feeding rod 702 pushes the powder to move in the conveying pipe 8.

[0025] Specifically, the delivery pipeline 8 includes a lower cover 801 , locking bolts 802 and an upper cover 803 . The lower cover 801 is fixedly installed on the right side of the fixing seat 1 , and the upper surface of the lower cover 801 is fixedly installed with the upper cover 803 via the locking bolts 802 .

[0026] In this embodiment, the locking bolts 802 lock and fix the lower cover 801 and the upper cover 803, so that a cavity is formed between the lower cover 801 and the upper cover 803 for powder transportation, and the upper cover 803 can be disassembled and assembled to facilitate subsequent maintenance.

[0027] Specifically, the discharge mechanism 11 includes a cylinder 111, a bearing 112, a transmission rod 113 and an impeller 114. The cylinder 111 is fixedly mounted on the discharge pipe 10. The transmission rod 113 is installed between the left and right side walls of the cylinder 111 through the bearing 112. The impeller 114 is arranged on the transmission rod 113 inside the cylinder 111, and the size of the impeller 114 matches the inner diameter of the cylinder 111.

[0028] In this embodiment, the transmission rod 113 rotates in the bearing 112, so that the transmission rod 113 drives the impeller 114 to rotate in the cylinder 111, and the impeller 114 drives the powder in the cylinder 111 to be transported downward, so that the powder is transported evenly and the powder discharge speed can be easily adjusted.

[0029] Specifically, the transmission mechanism 12 includes a sprocket 121 and a chain 122 . The sprocket 121 is fixedly mounted on the right end of the spiral feeding rod 702 and the transmission rod 113 , and the upper and lower sprockets 121 are connected by the chain 122 .

[0030] In this embodiment, the upper sprocket 121 rotates with the spiral feeding rod 702 , and the upper sprocket 121 drives the lower sprocket 121 to rotate through the chain 122 , so that the lower sprocket 121 drives the transmission rod 113 to rotate.

[0031] When in use, the powder is poured into the storage barrel 2, and the rotating shaft 302 is driven to rotate by the output shaft of the driving motor 301 in the stirring mechanism 3, and the rotating shaft 302 drives the stirring blade 303 to rotate, and the stirring blade 303 stirs the powder in the storage barrel 2, and the crushed powder flows into the circular groove 6 in the fixed seat 1, and the spiral feeding rod 702 is driven to rotate by the output shaft of the servo motor 701 in the conveying mechanism 7, so that the spiral feeding rod 702 pushes the powder to move to the right in the conveying pipe 8, so that the powder falls into the discharge hopper 9, and the upper sprocket 121 in the transmission mechanism 12 rotates with the spiral feeding rod 702, and the upper sprocket 121 is driven by the chain 122 drives the lower sprocket 121 to rotate, so that the lower sprocket 121 drives the transmission rod 113 in the discharge mechanism 11 to rotate, and the transmission rod 113 rotates in the bearing 112, so that the transmission rod 113 drives the impeller 114 to rotate in the cylinder 111, and the impeller 114 drives the powder in the cylinder 111 to be transported downward, so that the powder is transported evenly, and it is convenient to adjust the powder discharge speed, so as to achieve the effect of spiral powder feeding, solve the problems of powder accumulation and powder blockage in the free fall process of the current semiconductor direct output laser cladding process, make the powder discharge more uniform, and can adjust the powder discharge speed, which is convenient for use.

[0032] In summary, the spiral powder feeding device adopts spiral powder feeding to solve the problems of powder accumulation and powder blockage in the free fall process of the current semiconductor direct output laser cladding process, making the powder discharge more uniform, and being able to adjust the powder discharge speed, which is convenient for use, increases the powder crushing function, and ensures a smooth conveying process.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spiral powder feeding device, comprising a fixed seat (1), characterized in that: A material storage barrel (2) is fixedly mounted on the upper surface of the fixed seat (1), a stirring mechanism (3) is mounted at the middle position of the upper side wall of the material storage barrel (2), a feeding pipe (4) is arranged near the left side of the upper side wall of the material storage barrel (2), and a sealing cover (5) is threadedly mounted on the feeding pipe (4), a circular groove (6) is opened on the right side surface of the fixed seat (1), the circular groove (6) is connected with the material storage barrel (2), a conveying mechanism (7) is mounted on the fixed seat (1) corresponding to the circular groove (6), and a conveying pipe (8) is fixedly mounted on the right side surface of the fixed seat (1) corresponding to the conveying mechanism (7), a discharge hopper (9) is fixedly mounted on the lower side wall of the conveying pipe (8) near the right edge position, and a discharge pipe (10) is fixedly mounted on the lower surface of the discharge hopper (9), a discharge mechanism (11) is arranged on the discharge pipe (10), and the discharge mechanism (11) is transmission-connected to the conveying mechanism (7) through a transmission mechanism (12).

2. A spiral powder feeding device according to claim 1, characterized in that: The stirring mechanism (3) comprises a driving motor (301), a rotating shaft (302) and stirring blades (303); the driving motor (301) is mounted on the upper surface of the material storage barrel (2); the rotating shaft (302) is fixedly mounted on the lower surface of the output shaft of the driving motor (301); the rotating shaft (302) is inserted into the material storage barrel (2); and the stirring blades (303) are evenly arranged on the rotating shaft (302).

3. A spiral powder feeding device according to claim 1, characterized in that: The conveying mechanism (7) comprises a servo motor (701) and a screw feeding rod (702); the servo motor (701) is fixedly mounted on the left side of the fixing seat (1); the screw feeding rod (702) is fixedly mounted on the right side of the output shaft of the servo motor (701); and the screw feeding rod (702) is inserted into the conveying pipe (8).

4. A spiral powder feeding device according to claim 1, characterized in that: The delivery pipeline (8) comprises a lower cover (801), a locking bolt (802) and an upper cover (803); the lower cover (801) is fixedly mounted on the right side of the fixing seat (1); and the upper surface of the lower cover (801) is fixedly mounted with the upper cover (803) via the locking bolt (802).

5. The spiral powder feeding device according to claim 1, characterized in that: The discharge mechanism (11) comprises a cylinder (111), a bearing (112), a transmission rod (113) and an impeller (114); the cylinder (111) is fixedly mounted on the discharge pipe (10); a transmission rod (113) is mounted between the left and right side walls of the cylinder (111) via the bearing (112); an impeller (114) is arranged on the transmission rod (113) inside the cylinder (111), and the size of the impeller (114) matches the inner diameter of the cylinder (111).

6. A spiral powder feeding device according to claim 3, characterized in that: The transmission mechanism (12) comprises a sprocket (121) and a chain (122); the sprocket (121) is fixedly mounted on the right end of the spiral feeding rod (702) and the transmission rod (113); and the upper and lower sprockets (121) are connected in transmission via the chain (122).

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