Laser cladding device capable of uniformly feeding powder

Abstract

The utility model relates to a laser cladding device capable of uniformly feeding powder, which comprises a laser cladding shell, a cladding head fixedly arranged on the laser cladding shell and a powder feeding pipe fixedly arranged on one side of the cladding head, and a rotating component and a powder outlet component driven by the rotating component are arranged at the port of the powder feeding pipe. And the powder suction assembly is arranged on the laser cladding shell, the powder discharging assembly is used for spirally spraying powder under the driving of the rotating assembly, and the powder suction assembly is used for cleaning waste powder after laser cladding, so that the laser efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser processing, in particular to a laser cladding device capable of evenly feeding powder. Background Art

[0002] Laser cladding is a surface repair technology that can be used to repair damaged or worn die casting machine barrels. This technology uses a laser beam to melt metal powder or wire and spray it on the repaired surface to form a new coating, which is then processed. This method can increase the hardness and wear resistance of the barrel and extend its life.

[0003] At present, laser cladding usually has the problem of uneven spraying when spraying powder, and cannot cover the repaired surface, which greatly affects the laser effect. In addition, after the laser cladding is completed, some powder will accumulate in the workpiece. When it accumulates to a certain extent, the waste powder will flow into the laser molten pool, causing the laser molten pool to be contaminated. At present, it is usually necessary to use manual tools to clean it, especially when cleaning deeper repair areas, which is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide a laser that can evenly deliver powder to address the shortcomings of the prior art.

[0005] The cladding device drives the powder discharge component to rotate through the rotating component and sprays the powder layer in a spiral shape, so that the powder is sprayed evenly, and the waste powder in the workpiece is automatically cleaned through the powder suction component to improve the laser efficiency.

[0006] The technical solutions of the utility model are as follows:

[0007] A laser cladding device capable of uniformly feeding powder comprises a laser cladding shell, a cladding head fixedly arranged on the laser cladding shell, and a powder feeding pipe fixedly arranged on one side of the cladding head, the powder feeding pipe port is provided with a rotating component and a powder outlet component driven by the rotating component, the laser cladding shell is provided with a powder suction component, the powder outlet component is used to spray powder in a spiral shape driven by the rotating component, and the powder suction component is used to clean up waste powder after laser.

[0008] Preferably, the rotating assembly comprises a fixed seat fixedly arranged on the powder feeding pipe and a motor fixedly arranged on the fixed seat.

[0009] Preferably, the powder outlet assembly comprises a powder outlet pipe rotatably arranged on a fixed seat, and a spiral blade fixedly arranged in the powder outlet pipe, and the motor output shaft is connected to the powder outlet pipe via a belt.

[0010] Preferably, the powder suction assembly includes a powder suction shell fixedly arranged on the laser cladding shell, a powder suction tube fixedly arranged on the powder suction shell, a connecting plate fixedly arranged on the powder suction tube, adsorption holes opened on the connecting plate, and a brush fixedly arranged on the connecting plate.

[0011] As a preference, the brush is made of soft bristle material.

[0012] As a preference, the powder outlet pipe port is in a trumpet-shaped structure.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a rotating component and a powder outlet component. After the laser cladding shell extends into the workpiece and reaches the repaired area, the powder is transported from the powder feeding pipe to the powder outlet pipe. The motor is started to drive the powder outlet pipe and the spiral blades to rotate. The powder outlet pipe sprays the powder through the centrifugal force generated by the rotation. The spiral blades accelerate the powder ejection speed from the powder outlet pipe orifice and make the powder tend to be ejected in a spiral shape when ejected, thereby preventing excessive splashing of the powder and allowing the powder to completely and accurately cover the repaired area.

[0015] 2. The utility model is also provided with a powder suction component. After the laser cladding is completed, when the laser cladding shell is withdrawn from the workpiece, the negative pressure device is turned on to make the suction hole generate suction to absorb the waste powder. At the same time, the brush cleans the waste powder when following the movement of the laser cladding shell, thereby improving the cleaning effect.

[0016] In summary, the utility model has the advantages of uniform powder output and good laser effect, and is suitable for the field of laser processing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 It is a structural schematic diagram of a laser cladding device capable of uniformly feeding powder;

[0019] Figure 2 This is a schematic diagram of the state of the powder discharge pipe when discharging powder;

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a schematic diagram of the working state of the powder suction component;

[0022] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0023] Figure numerals: 1 laser cladding shell, 2 cladding head, 3 powder feeding pipe, 4 rotating assembly, 41 fixed seat, 42 motor, 5 powder outlet assembly, 51 powder outlet pipe, 52 spiral blade, 6 powder suction assembly, 61 powder suction shell, 62 powder suction pipe, 63 connecting plate, 64 adsorption hole, 65 brush. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present utility model are clearly and completely described below in conjunction with the accompanying drawings.

[0025] Embodiment 1

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0027] like Figures 1 to 5 As shown, a laser cladding device capable of uniformly feeding powder comprises a laser cladding shell 1, a cladding head 2 fixedly arranged on the laser cladding shell 1 and a powder feeding pipe 3 fixedly arranged on one side of the cladding head 2, a rotating component 4 and a powder outlet component 5 driven by the rotating component 4 are arranged at the port of the powder feeding pipe 3, a powder suction component 6 is arranged on the laser cladding shell 1, the powder outlet component 5 is used for spraying powder in a spiral shape driven by the rotating component 4, and the powder suction component 6 is used for cleaning waste powder after laser.

[0028] like Figure 2 and Figure 3 As shown, the rotating assembly 4 includes a fixing seat 41 fixedly arranged on the powder feeding pipe 3 and a motor 42 fixedly arranged on the fixing seat 41 .

[0029] like Figure 3 As shown, the powder outlet assembly 5 includes a powder outlet pipe 51 rotatably arranged on a fixed seat 41, and a spiral blade 52 fixedly arranged in the powder outlet pipe 51. The output shaft of the motor 42 is connected to the powder outlet pipe 51 through a belt. When in use, when the laser cladding shell 1 extends into the workpiece and reaches the repairing position, the powder is transported from the powder feeding pipe 3 to the powder outlet pipe 51, and the motor 42 is started to drive the powder outlet pipe 51 and the spiral blade 52 to rotate. The powder outlet pipe 51 sprays the powder through the centrifugal force generated by the rotation. The spiral blade 52 can accelerate the powder spraying speed from the nozzle of the powder outlet pipe 51 while making the powder tend to be sprayed in a spiral shape when spraying, thereby preventing excessive splashing of the powder, and making the powder cover the repairing position completely and accurately. During the powder spraying process, the laser beam is irradiated on the powder through the cladding head 2 to melt the powder and repair the workpiece.

[0030] like Figure 4 and Figure 5As shown, the powder suction component 6 includes a powder suction shell 61 fixedly arranged on the laser cladding shell 1, a powder suction tube 62 fixedly arranged on the powder suction shell 61, a connecting plate 63 fixedly arranged on the powder suction tube 62, an adsorption hole 64 opened on the connecting plate 63, and a brush 65 fixedly arranged on the connecting plate 63, wherein an air pipe is arranged on the powder suction shell 61 and the air pipe is connected to a negative pressure device, and the air pipe, the air suction tube 62, and the adsorption hole 64 generate suction through the negative pressure device. This technology is an existing mature technology and will not be described in detail here. When in use, when the laser cladding is completed, the laser cladding shell 1 is withdrawn from the workpiece, and the negative pressure device is turned on to generate suction in the adsorption hole 64 to adsorb the waste powder. At the same time, the brush 65 can sweep the waste powder out of the workpiece when moving with the laser cladding shell 1, thereby improving the cleaning effect.

[0031] like Figure 5 As shown, the brush 65 is made of soft bristle material to prevent wear on the workpiece.

[0032] like Figure 3 As shown, the outlet of the powder outlet pipe 51 is in a trumpet-shaped structure, which plays a role in diffusing and guiding the powder to the surroundings when the powder is sprayed out.

[0033] Working process

[0034] First, after the laser cladding shell 1 extends into the workpiece and reaches the repaired part, the powder is transported from the powder feeding pipe 3 to the powder outlet pipe 51, and the motor 42 is started to drive the powder outlet pipe 51 and the spiral blade 52 to rotate. The powder outlet pipe 51 sprays the powder through the centrifugal force generated by the rotation, and cooperates with the spiral blade 52 to accelerate the speed of the powder spraying from the nozzle of the powder outlet pipe 51, while making the powder tend to be sprayed in a spiral shape when spraying, so as to prevent excessive splashing of the powder, so that the powder can completely and accurately cover the repaired part. During the powder spraying process, the laser beam is irradiated on the powder through the cladding head 2 to melt the powder and repair the workpiece. After the laser cladding is completed, when the laser cladding shell 1 withdraws from the workpiece, the negative pressure device is turned on to make the adsorption hole 64 generate suction to adsorb the waste powder. At the same time, the brush 65 cleans the waste powder when following the movement of the laser cladding shell 1 to improve the cleaning effect.

[0035] In the description of the present invention, it should be understood that the terms "front and back", "left and right", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only used to describe the present invention and simplify the description, rather than indicating or implying that the equipment or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0036] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0037] The above combined with the accompanying drawings is only a preferred implementation mode of the utility model, but the utility model is not limited to the above implementation mode. It should be pointed out that for technicians in this field, various deformations and improvements can be made without departing from the structure of the utility model. These should also be regarded as the scope of protection of the utility model and will not affect the effect and practicality of the implementation of the utility model.

Claims

1. A laser cladding device capable of uniform powder feeding, characterized in that: The invention comprises a laser cladding shell (1), a cladding head (2) fixedly arranged on the laser cladding shell (1), and a powder delivery pipe (3) fixedly arranged on one side of the cladding head (2); a rotating component (4) and a powder discharge component (5) driven by the rotating component (4) are arranged at the end of the powder delivery pipe (3); a powder suction component (6) is arranged on the laser cladding shell (1); the powder discharge component (5) is used to spray powder in a spiral shape driven by the rotating component (4); and the powder suction component (6) is used to clean up waste powder after laser treatment.

2. A laser cladding device capable of uniform powder feeding according to claim 1, characterized in that: The rotating assembly (4) comprises a fixing seat (41) fixedly arranged on the powder delivery pipe (3) and a motor (42) fixedly arranged on the fixing seat (41).

3. A laser cladding device capable of uniform powder feeding according to claim 2, characterized in that: The powder outlet assembly (5) comprises a powder outlet pipe (51) rotatably arranged on a fixed seat (41) and a spiral blade (52) fixedly arranged in the powder outlet pipe (51); the output shaft of the motor (42) is connected to the powder outlet pipe (51) via a belt.

4. The laser cladding device capable of uniform powder feeding according to claim 1, characterized in that: The powder suction component (6) comprises a powder suction shell (61) fixedly arranged on the laser cladding shell (1), a powder suction tube (62) fixedly arranged on the powder suction shell (61), a connecting plate (63) fixedly arranged on the powder suction tube (62), a suction hole (64) provided on the connecting plate (63), and a brush (65) fixedly arranged on the connecting plate (63).

5. The laser cladding device capable of uniform powder feeding according to claim 4, characterized in that: The brush (65) is made of soft bristle material.

6. The laser cladding device capable of uniform powder feeding according to claim 3, characterized in that: The powder outlet pipe (51) has a trumpet-shaped structure.

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