Wire feeding laser cladding head

Abstract

The utility model provides a kind of wire-feeding laser cladding head, it is related to laser cladding head technical field, the utility model includes shell, the bottom end of the outer surface of shell is provided with cladding nozzle, the outer surface of shell is provided with auxiliary device, the auxiliary device includes two annulars, two annulars pass through the inside of shell and communicate, the top of shell is provided with electric push rod, the both ends of connecting rod are fixedly connected with rack respectively, the utility model is provided with auxiliary device, the annular is closed by baffle, avoid the impurity of outside into shell inside, when cladding head continuous work can control baffle movement and open annular one end, further cooling is assisted by servo motor inside annular and fan blade rotation to accelerate air flow cladding head, improve the cooling effect of cladding head when working, can protect air duct, reduce the impurity into shell inside, improve the service life of cladding head.

Description

Technical Field

[0001] This utility model relates to the technical field of wire feeding laser cladding head, and more particularly to a wire feeding laser cladding head. Background Technology

[0002] The ring-beam laser cladding head is a key component in laser cladding technology. It uses a ring laser beam to achieve coaxial feeding and melting of metal wires and is widely used in additive manufacturing and surface treatment.

[0003] When the laser cladding head is working, metal spatter, dust and other impurities are generated. Traditional exposed air vents can easily allow these impurities to enter the air cooling channel, causing internal fan blockage, reduced heat dissipation efficiency and even component damage. Therefore, water cooling is usually used to cool the cladding head. However, water cooling alone has limited cooling effect on the cladding head, resulting in poor cooling performance when the current cladding head is in use. Utility Model Content

[0004] The purpose of this invention is to solve the problem that metal spatter, dust and other impurities are generated when the laser cladding head is working. Traditional exposed air vents can easily allow these impurities to enter the air cooling channel, causing internal fan blockage, reduced heat dissipation efficiency and even component damage. Therefore, water cooling is usually used to cool the cladding head. However, water cooling alone has limited cooling effect on the cladding head, resulting in poor cooling effect when the current cladding head is used. Therefore, this invention proposes a wire feeding laser cladding head.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a wire-feeding laser cladding head, comprising a housing, a cladding nozzle being provided at the bottom of the outer surface of the housing, a plurality of circulation pipes being fixedly connected to the outer surface of the housing, an inlet pipe and a drain pipe being fixedly connected to the outer surface of the housing respectively, the inlet pipe and the drain pipe communicating with the circulation pipes on the outer surface of the housing, a connector being provided at the top of the housing, and an auxiliary device being provided on the outer surface of the housing to improve the cooling effect during operation of the cladding head.

[0006] The effects achieved by the above components are as follows: When using the laser cladding head, the connector at the top of the housing is connected to the control device, and the water cooling medium delivery pipe is connected to the water inlet pipe. The receiving pipe is connected to one end of the drain pipe. During operation, a single laser beam is transformed into a ring beam through a specially designed conical lens on the connector, and then split into two semi-ring beams by a prism. The metal wire passes vertically through and is fed into the processing area. The two semi-ring beams are then recombined into a complete ring beam by another prism and focused on the workpiece surface by a focusing lens to form a ring heating zone, achieving uniform heating and vertical feeding of the metal wire. Cooling water is fed into the water inlet pipe by an external pump and moves inside the housing and the circulation pipe on the outer surface to cool the housing. The cooling water is then discharged through the drain pipe.

[0007] Preferably, the auxiliary device includes two rings that communicate with each other through the interior of the housing. A support rod is fixedly connected to one side of the inner wall of each ring, and a servo motor is installed on one side of the support rod. The output end of the servo motor is connected to several fan blades via a coupling. An electric push rod is installed at the top of the housing, and a connecting rod is installed at the top of the output rod of the electric push rod. A gear is fixedly connected to both ends of the connecting rod. A rotating shaft is rotatably connected to one side of each of the two rings. A gear is fixedly connected to one end of each rotating shaft, and the outer surface of the gear meshes with one side of the gear. A baffle is fixedly connected to the end of the rotating shaft away from the gear.

[0008] The effect achieved by the above components is as follows: When using the laser cladding head with baffles, if the auxiliary device is not running, the baffles at one end of the two rings will close the rings. When the auxiliary device is needed to enhance the cooling effect of the cladding head, the electric push rod extends and controls the connecting rod to move the two racks upward. When the racks move upward, they will drive the gear and shaft to rotate downward. The shaft will drive the baffles to rotate downward away from the rings, opening the rings. Then, the servo motor on the outer surface of the control rod will drive the fan blades to rotate. The fan blades will draw outside air from one side of the rings into the rings and the housing, and then output it through the other ring. This will cause the air to flow inside the two rings and the housing, accelerating the dissipation of heat inside the housing. After the cladding head stops working, the electric push rod will retract and drive the connecting rod and racks to move downward. The racks will drive the gear and shaft to rotate, and the shaft will drive the baffles to rotate, closing the rings again and preventing impurities from entering the rings and the housing.

[0009] Preferably, one end of each of the two rings is fixedly connected to a mesh plate, and the outer surface of the mesh plate has several through holes.

[0010] The effect achieved by the above components is that when the auxiliary device is working, the mesh plate can further block and filter impurities in the air entering the ring and the housing.

[0011] Preferably, a sealing sheet is fixedly connected to one side of the baffle, and the sealing sheet protrudes from the edge of the baffle.

[0012] The effect achieved by the above components is that when the baffle is attached to one end of the ring to seal the ring, the sealing effect of the baffle on the ring can be improved by the sealing sheet.

[0013] Preferably, a plurality of through slots are provided on one side of the bottom end of the ring, and an arc-shaped rod is fixedly connected to one side of the baffle. When the baffle is located at one end of the ring, the arc-shaped rod fits into the through slot on the outside of the ring.

[0014] The effect achieved by the above components is that when the baffle moves downward, the arc-shaped rod will move away from the through groove on the outer surface of the ring, thereby increasing the rate at which air enters and exits the ring.

[0015] Preferably, a brush plate is fixedly connected to one side of the baffle, and a number of hard bristles are provided on the side of the brush plate away from the baffle.

[0016] The effect achieved by the above components is that when the baffle moves at one end of the ring, the hard bristles on the inner side of the baffle can clean the outer surface of one end of the ring, pushing away the impurities attached to the outer surface of the ring.

[0017] Preferably, L-shaped blocks are fixedly connected to both sides of the outer surface of the housing, and one side of each of the two toothed rods slides on one side of the L-shaped block.

[0018] The effect achieved by the above components is that when the electric push rod drives the rack to move up and down, the rack will move on one side of the L-shaped block. The L-shaped block can further limit the angle between the rack and the housing, thereby improving the stability of the rack during movement.

[0019] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0020] In this invention, an auxiliary device is provided, which involves adding a ring to the outer surface of the housing and a channel that runs through the inside of the housing. When the auxiliary device is not in operation, the ring is sealed by a baffle to prevent external impurities from entering the housing. When the cladding head is working continuously, the baffle can be moved to open one end of the ring. The servo motor inside the ring drives the fan blades to rotate, accelerating the airflow and assisting in further cooling of the cladding head. This improves the cooling effect of the cladding head during operation, protects the air duct, reduces the entry of impurities into the housing, and extends the service life of the cladding head. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a three-dimensional structural diagram of the housing of this utility model;

[0023] Figure 3 This is a three-dimensional structural diagram of the support pole of this utility model;

[0024] Figure 4 This utility model Figure 3 A magnified three-dimensional structural diagram of part A;

[0025] Figure 5 This is a three-dimensional structural diagram of the baffle of this utility model;

[0026] Figure 6 This is a three-dimensional structural diagram of the brush plate of this utility model.

[0027] Legend: 1. Housing; 2. Auxiliary device; 21. Ring; 22. Frame rod; 23. Servo motor; 24. Fan blade; 25. Electric push rod; 26. Connecting rod; 27. Gear rack; 28. Rotating shaft; 29. ​​Gear; 210. Baffle; 211. Mesh plate; 212. Sealing plate; 213. Through groove; 214. Arc rod; 215. Brush plate; 216. L-shaped block; 3. Coating nozzle; 4. Circulation pipe; 5. Water inlet pipe; 6. Drain pipe; 7. Connector. Detailed Implementation

[0028] Example 1, as Figure 1-3 As shown, a laser cladding head for wire feeding includes a housing 1. A cladding nozzle 3 is provided at the bottom of the outer surface of the housing 1. Several circulation pipes 4 are fixedly connected to the outer surface of the housing 1. A water inlet pipe 5 and a drain pipe 6 are fixedly connected to the outer surface of the housing 1, respectively. The water inlet pipe 5 and the drain pipe 6 are connected to the circulation pipes 4 on the outer surface of the housing 1. A connector 7 is provided at the top of the housing 1. An auxiliary device 2 is provided on the outer surface of the housing 1 to improve the cooling effect during the operation of the cladding head. When using the laser cladding head, the connector 7 at the top of the housing 1 is connected to the control equipment, and the water cooling medium delivery pipe is connected to the water inlet pipe 5. The receiving pipe is connected to one end of the drain pipe 6. During operation, a single laser beam is transformed into a ring beam by a specially designed conical lens through the connector 7, and then split into two semi-ring beams by a prism. The metal wire passes vertically through and is fed into the processing area. The two semi-ring beams are then recombined into a complete ring beam by another prism and focused on the workpiece surface by a focusing lens to form a ring heating zone, thereby achieving uniform heating and vertical feeding of the metal wire. Cooling water is fed into the water inlet pipe 5 through an external pump and moves inside the circulation pipe 4 on the outer surface of the housing 1 to cool the housing 1. The cooling water is then discharged through the drain pipe 6.

[0029] Reference Figure 1-5As shown in this embodiment: the auxiliary device 2 includes two rings 21, which pass through the interior of the housing 1 and communicate with each other. A support rod 22 is fixedly connected to one side of the inner wall of the ring 21. A servo motor 23 is provided on one side of the support rod 22. The output end of the servo motor 23 is connected to several fan blades 24 through a coupling. An electric push rod 25 is provided at the top of the housing 1. A connecting rod 26 is provided at the top of the output rod of the electric push rod 25. A gear 27 is fixedly connected to both ends of the connecting rod 26. A rotating shaft 28 is rotatably connected to one side of each of the two rings 21. A gear 29 is fixedly connected to one end of the rotating shaft 28. The outer surface of the gear 29 is connected to the tooth. One side of the rod 27 meshes with the gear 29, and a baffle 210 is fixedly connected to the end of the rotating shaft 28 away from the gear 29. By setting the baffle 210, when using the laser cladding head, when the auxiliary device 2 is not running, the baffle 210 at one end of the two rings 21 is located at one end of the ring 21, closing the ring 21. When it is necessary to use the auxiliary device 2 to enhance the cooling effect on the cladding head, the electric push rod 25 is operated to extend the control link 26 to drive the two racks 27 to move upward. When the racks 27 move upward, they will drive the gear 29 and the rotating shaft 28 to rotate downward. The rotating shaft 28 drives the baffle 210 to rotate downward, and the end away from the ring 21 closes the ring 21. When the device is turned on, the servo motor 23 on the outer surface of the control rod 22 operates, driving the fan blades 24 to rotate. The rotation of the fan blades 24 draws outside air from one side of the ring 21 into the ring 21 and the housing 1, and then outputs it through the other end of the ring 21. This causes the air to flow inside the two rings 21 and the housing 1, accelerating the dissipation of heat inside the housing 1. After the cladding head stops working, the electric push rod 25 retracts, causing the connecting rod 26 and the rack 27 to move downwards. The rack 27 drives the gear 29 and the rotating shaft 28 to rotate, which in turn drives the baffle 210 to rotate, closing the ring 21 again and preventing impurities from entering the ring 21 and the housing 1. Inside the housing 1, an auxiliary device 2 is installed. A circular ring 21 is installed on the outer surface of the housing 1, and a channel is formed between the ring 21 and the inside of the housing 1. When the auxiliary device 2 is not working, the ring 21 is closed by a baffle 210 to prevent external impurities from entering the housing 1. When the cladding head is working continuously, the baffle 210 can be moved to open one end of the ring 21. The servo motor 23 inside the ring 21 drives the fan blade 24 to rotate, which accelerates the airflow and assists in further cooling of the cladding head. This improves the cooling effect of the cladding head during operation, protects the air duct, reduces the entry of impurities into the housing 1, and extends the service life of the cladding head.

[0030] Reference Figure 2-6As shown in this embodiment: a mesh plate 211 is fixedly connected to one end of each of the two rings 21. The outer surface of the mesh plate 211 has several through holes. When the auxiliary device 2 is working, the mesh plate 211 can further block and filter impurities in the air entering the rings 21 and the interior of the housing 1. A sealing sheet 212 is fixedly connected to one side of the baffle 210. The sealing sheet 212 protrudes from the edge of the baffle 210. When the baffle 210 is attached to one end of the ring 21 to seal the ring 21, the sealing effect of the baffle 210 on the ring 21 can be improved by the sealing sheet 212.

[0031] Reference Figure 2-6 As shown in this embodiment: a plurality of through grooves 213 are provided on one side of the bottom end of the ring 21. An arc-shaped rod 214 is fixedly connected to one side of the baffle 210. When the baffle 210 is located at one end of the ring 21, the arc-shaped rod 214 fits against the through groove 213 on the outer side of the ring 21. When the baffle 210 moves downward, the arc-shaped rod 214 will move away from the through groove 213 on the outer surface of the ring 21, thereby increasing the rate at which air enters and exits the ring 21. A brush plate 215 is fixedly connected to one side of the baffle 210. A plurality of hard bristles are provided on the side of the brush plate 215 away from the baffle 210. When the baffle 210 moves at one end of the ring 21, the hard bristles on the brush plate 215 on the inner side of the baffle 210 can clean the outer surface of one end of the ring 21, pushing away the impurities attached to the outer surface of the ring 21.

[0032] Reference Figure 2-6 As shown in this embodiment: L-shaped blocks 216 are fixedly connected to both sides of the outer surface of the housing 1. One side of each of the two toothed rods 27 slides on one side of the L-shaped block 216. When the electric push rod 25 drives the toothed rods 27 to move up and down, the toothed rods 27 will move on one side of the L-shaped block 216. The angle between the toothed rods 27 and the housing 1 can be further restricted by the L-shaped block 216, thereby improving the stability of the toothed rods 27 when they move.

[0033] Working principle: When using the laser cladding head, the connector 7 at the top of the housing 1 is connected to the control device, and the water-cooling medium delivery pipe is connected to the water inlet pipe 5. The receiving pipe is connected to one end of the drain pipe 6. During operation, a single laser beam is transformed into a ring beam through a specially designed conical lens on the connector 7, and then split into two semi-ring beams by a prism. The metal wire passes vertically through and is fed into the processing area. The two semi-ring beams are then recombined into a complete ring beam by another prism and focused on the workpiece surface by a focusing lens, forming a ring heating zone. This achieves uniform heating and vertical feeding of the metal wire. Cooling water is pumped into the water inlet pipe 5 by an external pump and moves within the circulation pipe 4 on the outer surface of the housing 1 to cool the housing 1. The cooling water is then discharged through the drain pipe 6. When the auxiliary device 2 is not running, the baffle 210 at one end of the two rings 21 is located at one end of the rings 21, closing the rings 21. The auxiliary device 2 is needed to enhance the cooling effect. When the cladding head is cooled, the electric push rod 25 extends and the connecting rod 26 is extended, causing the two racks 27 to move upward. When the racks 27 move upward, they drive the gear 29 and the rotating shaft 28 to rotate downward. The rotating shaft 28 drives the baffle 210 to rotate downward away from the end of the ring 21, opening the ring 21. Then, the servo motor 23 on the outer surface of the control rod 22 operates and drives the fan blades 24 to rotate. The rotation of the fan blades 24 draws outside air from one side of the ring 21 into the ring 21 and the housing 1, and then outputs it through the other end of the ring 21, causing the air to flow inside the two rings 21 and the housing 1 to accelerate the dissipation of heat inside the housing 1. After the cladding head stops working, the electric push rod 25 is operated again to retract and drive the connecting rod 26 and the racks 27 to move downward. The racks 27 drive the gear 29 and the rotating shaft 28 to rotate, and the rotating shaft 28 drives the baffle 210 to rotate, closing the ring 21 again and preventing impurities from entering the ring 21 and the housing 1.

[0034] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may use the disclosed technical content to make changes or modifications to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. A wire-feeding laser cladding head, comprising a housing (1), characterized in that: A cladding nozzle (3) is provided at the bottom of the outer surface of the housing (1). Several circulation pipes (4) are fixedly connected to the outer surface of the housing (1). A water inlet pipe (5) and a drain pipe (6) are fixedly connected to the outer surface of the housing (1). The water inlet pipe (5) and the drain pipe (6) are connected to the circulation pipes (4) on the outer surface of the housing (1). A connector (7) is provided at the top of the housing (1). An auxiliary device (2) is provided on the outer surface of the housing (1) to improve the cooling effect of the cladding head during operation.

2. The laser cladding head for wire feeding according to claim 1, characterized in that: The auxiliary device (2) includes two rings (21), which pass through the interior of the housing (1) and communicate with each other. A support rod (22) is fixedly connected to one side of the inner wall of the ring (21). A servo motor (23) is provided on one side of the support rod (22). The output end of the servo motor (23) is connected to several fan blades (24) through a coupling. An electric push rod (25) is provided at the top of the housing (1). A connecting rod (26) is provided at the top of the output rod of the electric push rod (25). A rack (27) is fixedly connected to both ends of the connecting rod (26). A rotating shaft (28) is rotatably connected to one side of each of the two rings (21). A gear (29) is fixedly connected to one end of the rotating shaft (28). The outer surface of the gear (29) meshes with one side of the rack (27). A baffle (210) is fixedly connected to the end of the rotating shaft (28) away from the gear (29).

3. The laser cladding head for wire feeding according to claim 2, characterized in that: One end of each of the two rings (21) is fixedly connected to a mesh plate (211), and the outer surface of the mesh plate (211) has several through holes.

4. The wire-feeding laser cladding head according to claim 2, characterized in that: A sealing sheet (212) is fixedly connected to one side of the baffle (210), and the sealing sheet (212) protrudes from the edge of the baffle (210).

5. A wire-feeding laser cladding head according to claim 2, characterized in that: The bottom end of the ring (21) has several through slots (213) and the side of the baffle (210) is fixedly connected with an arc rod (214). When the baffle (210) is located at one end of the ring (21), the arc rod (214) fits against the through slot (213) on the outside of the ring (21).

6. The wire-feeding laser cladding head according to claim 3, characterized in that: A brush plate (215) is fixedly connected to one side of the baffle (210), and a number of hard bristles are provided on the side of the brush plate (215) away from the baffle (210).

7. A wire-feeding laser cladding head according to claim 2, characterized in that: L-shaped blocks (216) are fixedly connected to both sides of the outer surface of the housing (1), and one side of each of the two toothed rods (27) slides on one side of the L-shaped block (216).

Images