Alloy powder uniform blanking device for laser welding

Abstract

The utility model relates to the technical field of blanking devices, and discloses an alloy powder uniform blanking device for laser welding, which comprises a material tank, a material turning mechanism is arranged in the material tank, a drying mechanism is arranged at the middle upper part of the material turning mechanism, a blanking mechanism is arranged at the lower part of the material tank, and a feeding pipe is arranged on one side of the upper part of the material tank. According to the alloy powder uniform discharging device for laser welding, the alloy powder in the charging bucket is heated through the first electric heating wire, so that the alloy powder in the charging bucket is dried, the alloy powder is further dried through the second electric heating wire, and therefore the alloy powder is prevented from caking, and the service life of the alloy powder is prolonged. And the alloy powder is overturned through the overturning mechanism to flow, so that the caked alloy powder is loosened, the shaft rod is controlled through the servo motor to drive the discharging blades to rotate at a constant speed, the discharging mechanism can conduct discharging uniformly, and the laser welding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding devices, in particular to a uniform feeding device for alloy powder used for laser welding. Background Art

[0002] Laser cladding, also known as laser melting or laser cladding, is a new surface modification technology. It forms a metallurgically bonded cladding layer on the surface of the base material by adding cladding materials to the surface of the substrate and using a high-energy-density laser beam to melt it together with a thin layer on the surface of the substrate. Laser cladding powder mainly includes self-fluxing powder, ceramic powder, and composite powder. The most widely used is self-fluxing powder. However, due to improper storage of alloy powder, it is easy to get damp and agglomerate, which affects the uniformity of material feeding during welding and affects the quality of welding. Utility Model Content

[0003] The main purpose of the utility model is to provide a device for uniformly feeding alloy powder for laser welding, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a uniform feeding device for alloy powder for laser welding, comprising a material tank, a material turning mechanism is arranged inside the material tank, a drying mechanism is arranged in the upper part of the material turning mechanism, a feeding mechanism is arranged at the lower part of the material tank, and a feeding pipe is arranged at one side of the upper part of the material tank;

[0005] The material turning mechanism includes a reduction motor, a stirring shaft, an auger blade, a material turning sleeve and a feed port. The upper end of the stirring shaft is rotatably connected to the middle part of the upper side of the material tank, the reduction motor is installed in the middle part of the upper side of the material tank, the lower output end of the reduction motor penetrates the wall shell of the material tank and is fixedly connected to the upper end of the stirring shaft, the middle part of the auger blade is fixedly connected to the outer periphery of the stirring shaft, the outer periphery of the auger blade is arranged inside the material turning sleeve, the lower part of the material turning sleeve is installed in the middle part of the inner bottom wall of the material tank, the feed port is opened in the lower part of the material turning sleeve, and the middle part of the drying mechanism is installed in the upper part of the material turning sleeve.

[0006] Preferably, a solenoid valve is provided in the middle of the feed pipe.

[0007] Preferably, support legs are provided at the lower portion of the tank.

[0008] Preferably, a cavity 1 is provided in the middle of the wall shell of the material tank, and a heating wire 1 is provided inside the cavity 1.

[0009] Preferably, the drying mechanism includes a conical disc, a second cavity, a second heating wire and a feed port, the second cavity is opened in the middle of the conical disc, the outer periphery of the second heating wire is arranged inside the second cavity, the feed port is opened in the outer periphery of the conical disc, the outer periphery of the conical disc is installed in the middle and upper part of the inner wall of the material tank, and the middle part of the conical disc is installed on the upper end of the turning sleeve.

[0010] Preferably, the unloading mechanism includes a servo motor, a unloading pipe, an axle rod and a plurality of unloading blades, the upper end of the unloading pipe is fixedly connected to the lower side of the middle part of the material tank, the axle rod is rotatably connected to the middle part of the unloading pipe, one side of the plurality of unloading blades is fixedly connected to the outer periphery of the axle rod at equal intervals, the outer periphery of the unloading blades is in contact with the inner wall of the unloading pipe, the servo motor is installed in the middle part of the unloading pipe, and the output end of the servo motor passes through the side wall of the unloading pipe and is fixedly connected to the middle part of the axle rod.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The alloy powder inside the material tank is heated by a pair of electric heating wires, so as to dry the alloy powder inside the material tank, and drive the reduction motor so that the stirring shaft drives the auger blades to rotate inside the turning sleeve, so that the alloy powder inside the material tank enters the bottom of the turning sleeve through the feed port, and then is transported upward inside the turning sleeve by the auger blades, so that the alloy powder is discharged from the upper end of the turning sleeve, and then the alloy powder flows downward along the outer surface of the conical disk, and the alloy powder is further dried by a pair of electric heating wires to prevent the alloy powder from agglomerating, and the alloy powder is turned by the turning mechanism to make it flow, so that the agglomerated alloy powder is loosened, and the shaft is driven to rotate by the servo motor to rotate the feeding blades. Since the spacing of the feeding blades is equal, the amount of alloy powder between each two adjacent feeding blades is the same, and the shaft is controlled by the servo motor to drive the feeding blades to rotate at a uniform speed, so that the feeding mechanism can evenly discharge the material, thereby improving the quality of laser welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the internal structure of a device for uniformly feeding alloy powder for laser welding according to the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the turning mechanism of a uniform feeding device for alloy powder for laser welding of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of a feeding mechanism of a uniform feeding device for alloy powder for laser welding according to the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the drying mechanism structure of a device for uniformly feeding alloy powder for laser welding.

[0017] In the figure: 1. material tank; 2. cavity one; 3. heating wire one; 4. material turning mechanism; 401. reduction motor; 402. stirring shaft; 403. auger blade; 404. material turning sleeve; 405. feeding port; 5. feeding pipe; 6. material discharge mechanism; 601. servo motor; 602. material discharge pipe; 603. shaft; 604. material discharge blade; 7. supporting leg; 8. drying mechanism; 801. conical disc; 802. cavity two; 803. heating wire two; 804. material discharge port. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-4 As shown, a device for uniformly feeding alloy powder for laser welding includes a material tank 1, a material turning mechanism 4 is arranged inside the material tank 1, a drying mechanism 8 is arranged in the upper part of the material turning mechanism 4, a feeding mechanism 6 is arranged at the lower part of the material tank 1, and a feeding pipe 5 is arranged on one side of the upper part of the material tank 1.

[0020] In this embodiment, the turning mechanism 4 includes a reduction motor 401, a stirring shaft 402, an auger blade 403, a turning sleeve 404 and a feed port 405. The upper end of the stirring shaft 402 is rotatably connected to the middle part of the upper side of the material tank 1, the reduction motor 401 is installed in the middle part of the upper side of the material tank 1, and the lower output end of the reduction motor 401 passes through the wall shell of the material tank 1 and is fixedly connected to the upper end of the stirring shaft 402. The middle part of the auger blade 403 is fixedly connected to the outer periphery of the stirring shaft 402, the outer periphery of the auger blade 403 is arranged inside the turning sleeve 404, the lower part of the turning sleeve 404 is installed in the middle of the inner bottom wall of the material tank 1, and the feed port 405 is opened at the lower part of the turning sleeve 404. The middle part of the structure 8 is installed on the upper part of the material turning sleeve 404, the middle part of the feed pipe 5 is provided with a solenoid valve, the lower part of the material tank 1 is provided with a supporting leg 7, the middle part of the wall shell of the material tank 1 is provided with a cavity 2, and the inside of the cavity 2 is provided with an electric heating wire 3. The drying mechanism 8 includes a conical disc 801, a cavity 802, an electric heating wire 803 and a discharge port 804. The cavity 802 is opened in the middle part of the conical disc 801, the outer periphery of the electric heating wire 803 is arranged inside the cavity 802, the discharge port 804 is opened on the outer periphery of the conical disc 801, the outer periphery of the conical disc 801 is installed on the middle and upper part of the inner wall of the material tank 1, and the middle part of the conical disc 801 is installed on the upper end of the material turning sleeve 404.

[0021] Specifically, the alloy powder inside the material tank 1 is heated by the electric heating wire 3, so as to dry the alloy powder inside the material tank 1, and the reduction motor 401 is driven so that the stirring shaft 402 drives the auger blade 403 to rotate inside the turning sleeve 404, so that the alloy powder inside the material tank 1 enters the bottom of the turning sleeve 404 through the feed port 405, and then is transported upward inside the turning sleeve 404 by the auger blade 403, so that the alloy powder is discharged from the upper end of the turning sleeve 404, and then the alloy powder flows downward along the outer surface of the conical disk 801, and the alloy powder is further dried by the electric heating wire 803 to prevent the alloy powder from agglomerating, and the alloy powder is turned by the turning mechanism 4 to make it flow, so as to loosen the agglomerated alloy powder.

[0022] In this embodiment, the unloading mechanism 6 includes a servo motor 601, a unloading pipe 602, an axle 603 and a plurality of unloading blades 604. The upper end of the unloading pipe 602 is fixedly connected to the lower middle side of the material tank 1, and the axle 603 is rotatably connected to the middle of the unloading pipe 602. One side of the plurality of unloading blades 604 is fixedly connected to the outer periphery of the axle 603 at equal intervals, and the outer periphery of the unloading blades 604 is in contact with the inner wall of the unloading pipe 602. The servo motor 601 is installed in the middle of the unloading pipe 602, and the output end of the servo motor 601 passes through the side wall of the unloading pipe 602 and is fixedly connected to the middle of the axle 603.

[0023] Specifically, the servo motor 601 drives the shaft 603 to rotate, thereby causing the unloading blades 604 to rotate. Since the spacing between the unloading blades 604 is equal, the amount of alloy powder between each adjacent unloading blades 604 is the same, and the servo motor 601 controls the shaft 603 to drive the unloading blades 604 to rotate at a constant speed, so that the unloading mechanism 6 can unload evenly, thereby improving the quality of laser welding.

[0024] Working principle:

[0025] The alloy powder inside the material tank 1 is heated by the electric heating wire 1 3, so as to dry the alloy powder inside the material tank 1, and the reduction motor 401 is driven, so that the stirring shaft 402 drives the auger blade 403 to rotate inside the material turning sleeve 404, so that the alloy powder inside the material tank 1 enters the bottom of the material turning sleeve 404 through the feed inlet 405, and then is transported upward inside the material turning sleeve 404 by the auger blade 403, so that the alloy powder is discharged from the upper end of the material turning sleeve 404, and then the alloy powder flows downward along the outer surface of the conical disk 801, and the alloy powder is heated by the electric heating wire 2 803. The alloy powder is further dried to prevent the alloy powder from agglomerating, and the alloy powder is turned over by the turning mechanism 4 to make it flow, thereby loosening the agglomerated alloy powder, and the shaft 603 is driven to rotate by the servo motor 601, so that the unloading blade 604 rotates. Since the spacing between the unloading blades 604 is equal, the amount of alloy powder between each adjacent unloading blade 604 is the same, and the shaft 603 is controlled by the servo motor 601 to drive the unloading blade 604 to rotate at a constant speed, so that the unloading mechanism 6 can unload evenly, thereby improving the quality of laser welding.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for uniformly feeding alloy powder for laser welding, comprising a feeding tank (1), characterized in that: The material tank (1) is provided with a material turning mechanism (4) inside, a drying mechanism (8) is provided at the upper middle part of the material turning mechanism (4), a material unloading mechanism (6) is provided at the lower part of the material tank (1), and a material feeding pipe (5) is provided at one side of the upper part of the material tank (1); The material turning mechanism (4) comprises a reduction motor (401), a stirring shaft (402), an auger blade (403), a material turning sleeve (404) and a feeding port (405); the upper end of the stirring shaft (402) is rotatably connected to the middle part of the upper side of the material tank (1); the reduction motor (401) is installed in the middle part of the upper side of the material tank (1); the lower output end of the reduction motor (401) penetrates the wall shell of the material tank (1) and is fixedly connected to the upper end of the stirring shaft (402); the middle part of the auger blade (403) is fixedly connected to the outer periphery of the stirring shaft (402); the outer periphery of the auger blade (403) is arranged inside the material turning sleeve (404); the lower part of the material turning sleeve (404) is installed in the middle part of the inner bottom wall of the material tank (1); the feeding port (405) is opened in the lower part of the material turning sleeve (404); and the middle part of the drying mechanism (8) is installed in the upper part of the material turning sleeve (404).

2. The uniform feeding device for alloy powder for laser welding according to claim 1, characterized in that: A solenoid valve is arranged in the middle of the feed pipe (5).

3. The uniform feeding device for alloy powder for laser welding according to claim 1, characterized in that: The lower part of the material tank (1) is provided with supporting legs (7).

4. The uniform feeding device for alloy powder for laser welding according to claim 1, characterized in that: A cavity (2) is provided in the middle of the wall shell of the material tank (1), and an electric heating wire (3) is provided inside the cavity (2).

5. The uniform feeding device for alloy powder for laser welding according to claim 1, characterized in that: The drying mechanism (8) comprises a conical disc (801), a second cavity (802), a second electric heating wire (803) and a material discharge port (804); the second cavity (802) is opened in the middle of the conical disc (801); the outer periphery of the second electric heating wire (803) is arranged inside the second cavity (802); the material discharge port (804) is opened in the outer periphery of the conical disc (801); the outer periphery of the conical disc (801) is installed in the middle and upper part of the inner wall of the material tank (1); and the middle part of the conical disc (801) is installed on the upper end of the material turning sleeve (404).

6. The uniform feeding device for alloy powder for laser welding according to claim 1, characterized in that: The unloading mechanism (6) comprises a servo motor (601), a unloading tube (602), a shaft (603) and a plurality of unloading blades (604); the upper end of the unloading tube (602) is fixedly connected to the lower middle side of the material tank (1); the shaft (603) is rotatably connected to the middle of the unloading tube (602); one side of the plurality of unloading blades (604) is fixedly connected to the outer periphery of the shaft (603) at equal intervals; the outer periphery of the unloading blades (604) is in contact with the inner wall of the unloading tube (602); the servo motor (601) is installed in the middle of the unloading tube (602); the output end of the servo motor (601) passes through the side wall of the unloading tube (602) and is fixedly connected to the middle of the shaft (603).

Images