A high-power cutting head nozzle cooling seat

Abstract

The present invention discloses a high-power cutting head nozzle cooling seat, comprising a mounting seat, a cooling seat, the cooling seat being located below the mounting seat and connected to the mounting seat, an end of the cooling seat away from the mounting seat being connected to the nozzle, a connecting seat, a connecting seat corresponding to the cooling seat and arranged between the connecting seat and the mounting seat and connected to the mounting seat, a first air duct arranged longitudinally is provided on the mounting seat, a second air duct is provided in the connecting seat, the second air duct is connected to the first air duct and is arranged around the cooling seat, an air outlet arranged corresponding to the nozzle is provided on the mounting seat, the connecting seat is movably arranged along the axis direction of the cooling seat to adjust the distance between the air outlet and the nozzle, and the position of the connecting seat can be adjusted during high-power processing through the movably arranged connecting seat, thereby making the distance between the air outlet and the nozzle closer, thereby improving the cooling effect on the nozzle under the same power state.

Description

Technical Field

[0001] The invention relates to the technical field of laser processing, and more particularly to a high-power cutting head nozzle cooling seat. Background Art

[0002] Laser processing is a thermal processing method. Especially when processing carbon steel, the cutting gas used is oxygen, and the cutting nozzle is only 0.3 mm away from the high-temperature plate. Heat accumulation will cause the cutting head nozzle to become too high, thereby affecting the stability of the sensor, resulting in cutting jitter and poor cutting effects.

[0003] To address this, effective nozzle cooling is a prerequisite for ensuring long-term cutting stability. Existing cooling methods primarily rely on water cooling and air cooling. However, the nozzle is a sensing electrode, and water cooling would affect the cutting capacitance, so water cooling is not an option. Existing air cooling designs, however, have a fixed air outlet position, requiring increased energy consumption to maintain cooling during high-power laser cutting. This results in high energy consumption and needs improvement. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the object of the present invention is to provide a high-power cutting head nozzle cooling seat capable of adjusting the air outlet position to meet the cooling requirements of high-power laser processing.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a high-power cutting head nozzle cooling seat, comprising a mounting seat.

[0006] A cooling seat is located below the mounting seat and connected to the mounting seat, and one end of the cooling seat away from the mounting seat is connected to a nozzle.

[0007] A connecting seat is arranged between the corresponding cooling seat and the mounting seat and is connected to the mounting seat. A first air duct is longitudinally arranged on the mounting seat. A second air duct is provided in the connecting seat. The second air duct is connected to the first air duct and is arranged around the cooling seat. An air outlet corresponding to the nozzle is provided on the connecting seat. The connecting seat is movably arranged along the axis direction of the cooling seat to adjust the distance between the air outlet and the nozzle.

[0008] As a further improvement of the present invention, an extension portion is formed outward at the lower end of the mounting seat, and the connecting seat includes an annular inner wall and a contact surface. The annular inner wall is used to contact the side of the extension portion to keep the second air duct in a sealed state, and the contact surface is used to contact the upper end surface of the extension portion to limit the range of movement of the connecting seat.

[0009] As a further improvement of the present invention, the annular inner wall includes an inclined surface arranged obliquely relative to the axis direction of the cooling seat, a interlayer is opened on the side of the extension portion, an expansion ring is provided in the interlayer, the expansion ring is made of a material that expands when heated and contracts when cooled, the expansion ring is in contact with the inclined surface, and the expansion ring is used to expand after being heated and guide the inclined surface to move away from the mounting seat.

[0010] As a further improvement of the present invention, a return spring is provided in the connecting seat, and both ends of the return spring are respectively connected to the extension portion and the connecting seat, and the return spring is used to drive the connecting seat to move toward the extension portion.

[0011] As a further improvement of the present invention, the ends where the mounting seat and the cooling seat are connected to each other are respectively provided with plug rods and plug holes that are plugged into each other. There are several first air ducts and cooling zones are formed corresponding to the upper end surfaces of the cooling seats, and the multiple cooling zones are interconnected.

[0012] As a further improvement of the present invention, it also includes a guide surface, which is arranged corresponding to the lower end of the mounting seat and connected to the mounting seat. The nozzle includes a conical body, which is provided with a connecting end and connected to the cooling seat. The guide surface is used to guide the air flow out of the outlet to the side of the body.

[0013] As a further improvement of the present invention, the cooling seat is made of ceramic material.

[0014] As a further improvement of the present invention, the connecting seat and the extension portion are threadedly connected.

[0015] Beneficial effects of the present invention:

[0016] 1. The first air duct and the second air duct arranged around the cooling seat can enable the airflow to obtain a longer travel path, thereby improving the overall cooling effect;

[0017] 2. The movable connection seat can adjust the position of the connection seat during high-power processing, thereby making the distance between the air outlet and the nozzle closer, thereby improving the cooling effect on the nozzle under the same power state. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the present invention;

[0019] Figure 2 This is a schematic cross-sectional diagram of the overall installation of the present invention;

[0020] Figure 3 This is a schematic diagram of the installation of the connecting seat of the present invention;

[0021] Figure 4 for Figure 2 A partial enlarged view;

[0022] Figure 5 This is a schematic diagram of the installation of the expansion ring of the present invention;

[0023] Figure 6 This is a schematic diagram of the cooling zone of the present invention;

[0024] Figure 7 Schematic diagram of the cooling seat of the present invention.

[0025] Figure markings: 1. Mounting seat; 2. Sealing ring; 3. Cooling seat; 4. Nozzle; 5. Connecting seat; 6. First air duct; 7. Air slot; 8. Second air duct; 9. Air outlet; 10. Extension portion; 11. Annular inner wall; 12. Contact surface; 13. Interlayer; 14. Expansion ring; 15. Return spring; 16. Insert rod; 17. Insert hole; 18. Cooling zone; 19. Main body; 20. Connecting end; 21. Guide surface; 22. Inclined surface. DETAILED DESCRIPTION

[0026] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments, wherein the same components are represented by the same reference numerals.

[0027] like Figure 1-7 As shown, a high-power cutting head nozzle cooling seat includes a mounting seat 1. The upper end of the mounting seat 1 is used to connect with the laser head and a sealing ring 2 is provided at the connection to ensure the sealing of the device.

[0028] Preferably, a cooling seat 3 is further included. The cooling seat 3 is preferably made of ceramic. The cooling seat 3 is located below the mounting seat 1 and is connected to the mounting seat 1. The end of the cooling seat 3 away from the mounting seat 1 is connected to the nozzle 4.

[0029] Preferably, it also includes a connecting seat 5, which is arranged between the corresponding cooling seat 3 and the mounting seat 1 and is connected to the mounting seat 1, and a first air duct 6 is provided on the mounting seat 1. An air groove 7 is formed inward at the upper end of the mounting seat 1, and the first air duct 6 is placed in the air groove 7. When the mounting seat 1 is connected to the laser head, the air groove 7 is used as an air inlet, and a second air duct 8 is provided in the connecting seat 5. The second air duct 8 is connected to the first air duct 6 and is arranged around the cooling seat 3. An air outlet 9 corresponding to the nozzle 4 is provided on the connecting seat 5, and the connecting seat 5 is movably arranged along the axial direction of the cooling seat 3 to adjust the distance between the air outlet 9 and the nozzle 4.

[0030] During use, when the laser head is in high-power processing state, the position of the connecting seat 5 is adjusted to reduce the distance between the air outlet 9 and the nozzle 4, so that the air flow on the surface of the nozzle 4 can be accelerated at the same power, thereby improving the cooling effect on the nozzle 4.

[0031] Preferably, an extension portion 10 is formed outward at the lower end of the mounting seat 1, and the connecting seat 5 includes an annular inner wall 11 and a contact surface 12. The annular inner wall 11 is used to contact the side of the extension portion 10 to keep the second air duct 8 in a sealed state, and the contact surface 12 is used to contact the upper end surface of the extension portion 10 to limit the range of movement of the connecting seat 5, so that the connecting seat 5 can increase the size of the second air duct 8 while adjusting the position of the air outlet 9 after moving, that is, increase the contact range between the second air duct 8 and the cooling seat 3 to improve the cooling effect on the cooling seat 3.

[0032] Preferably, the annular inner wall 11 includes an inclined surface 22 which is arranged obliquely relative to the axial direction of the cooling seat 3. A interlayer 13 is provided on the side of the extension portion 10. An expansion ring 14 is provided in the interlayer 13. The expansion ring 14 is in contact with the inclined surface 22. The expansion ring 14 is made of a material that expands with heat and contracts with cold. The expansion ring 14 is used to expand after being heated and guide the inclined surface 22 to move away from the mounting seat 1. In this embodiment, the expansion ring 14 is made of a polymer material, so that when in use, as the temperature rises during the laser processing process, the expansion ring 14 expands due to the heat, thereby driving the inclined surface 22 to move, thereby realizing automatic movement of the connecting seat 5.

[0033] Preferably, a reset spring 15 is provided in the connecting seat 5, and the two ends of the reset spring 15 are respectively connected to the extension part 10 and the connecting seat 5. The reset spring 15 is used to drive the connecting seat 5 to move toward the extension part 10. Through the setting of the reset spring 15, the position of the connecting seat 5 can be automatically reset as the expansion ring 14 expands and contracts, thereby realizing automatic adjustment.

[0034] Preferably, one end where the mounting seat 1 and the cooling seat 3 are connected to each other is respectively provided with an insert rod 16 and a socket 17 that are plugged into each other. There are several first air ducts 6 and cooling intervals 18 are formed corresponding to the upper end surfaces of the cooling seat 3. The multiple cooling intervals 18 are interconnected. The setting of multiple cooling intervals 18 can cooperate with the setting of the second air duct 8 to cool multiple surfaces of the cooling seat 3 to improve the overall cooling effect of the cooling seat 3.

[0035] Preferably, it also includes a guide surface 21, which is arranged corresponding to the lower end of the mounting seat 1 and is connected to the mounting seat 1. The nozzle 4 includes a conical body 19, and the body 19 is provided with a connecting end 20 and is connected to the cooling seat 3. The connection method between the connecting end 20 and the cooling seat 3 includes threaded connection, snap-on connection and plug-in connection. The guide surface 21 is used to guide the air flow out of the air outlet 9 to the side of the body 19. Through the setting of the guide surface 21, the air flow can always be guided through the side of the body 19 during the movement of the connecting seat 5, thereby realizing overall cooling of the outside of the body 19, thereby avoiding the defect of easy damage to the body 19 caused by local uneven cooling.

[0036] Preferably, in order to achieve the movement of the connecting seat 5, in another embodiment, the connecting seat 5 and the extension portion 10 are threadedly connected.

[0037] The above are merely preferred embodiments of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions based on the principles of the present invention are within the scope of protection of the present invention. It should be noted that improvements and modifications that do not depart from the principles of the present invention are within the scope of protection of the present invention.

Claims

1. A high-power cutting head nozzle cooling seat, characterized by: It includes a mounting base (1); A cooling seat (2), the cooling seat (2) being located below the mounting seat (1) and connected to the mounting seat (1), and an end of the cooling seat (2) away from the mounting seat (1) being connected to a nozzle (4); A connecting seat (5), the connecting seat (5) is arranged between the corresponding cooling seat (2) and the mounting seat (1) and is connected to the mounting seat (1), the mounting seat (1) is provided with a first air duct (6) arranged longitudinally, the connecting seat (5) is provided with a second air duct (8), the second air duct (8) is communicated with the first air duct (6) and is arranged around the cooling seat (2), the connecting seat (5) is provided with an air outlet (9) arranged corresponding to the nozzle (4), and the connecting seat (5) is movably arranged along the axis direction of the cooling seat (2) to adjust the distance between the air outlet (9) and the nozzle (4); The lower end of the mounting seat (1) forms an outward extension portion (10), and the connecting seat (5) includes an annular inner wall (11) and a contact surface (12), wherein the annular inner wall (11) is used to contact the side of the extension portion (10) to keep the second air duct (8) in a sealed state, and the contact surface (12) is used to contact the upper end surface of the extension portion (10) to limit the range of movement of the connecting seat (5); The annular inner wall (11) includes an inclined surface (22) arranged to be inclined relative to the axial direction of the cooling seat (2), and a sandwich layer (13) is provided on the side of the extension portion (10). An expansion ring (14) is provided in the sandwich layer (13). The expansion ring (14) is made of a material that expands with heat and contracts with cold. The expansion ring (14) contacts the inclined surface (22). The expansion ring (14) is used to expand after being heated and guide the inclined surface (22) to move in a direction away from the mounting seat (1).

2. The high-power cutting head nozzle cooling seat according to claim 1, characterized in that: A return spring (15) is provided in the connecting seat (5), and two ends of the return spring (15) are respectively connected to the extension portion (10) and the connecting seat (5). The return spring (15) is used to drive the connecting seat (5) to move in the direction of the extension portion (10).

3. The high-power cutting head nozzle cooling seat according to claim 1, characterized in that: One end of the mounting seat (1) and the cooling seat (2) connected to each other is respectively provided with an inserting rod (16) and an inserting hole (17) that are plugged into each other. The first air duct (6) is a plurality of cooling zones (18) formed corresponding to the upper end surface of the cooling seat (2). The plurality of cooling zones (18) are interconnected.

4. The high-power cutting head nozzle cooling seat according to claim 1, characterized in that: It also includes a guide surface (21), which is arranged corresponding to the lower end of the mounting seat (1) and is connected to the mounting seat (1). The nozzle (4) includes a conical body (19), and the body (19) is provided with a connecting end (20) and is connected to the cooling seat (2). The guide surface (21) is used to guide the air flow from the air outlet (9) to the side of the body (19).

5. The high-power cutting head nozzle cooling seat according to claim 1, characterized in that: The cooling seat (2) is made of ceramic material.

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