Grey cast iron initial mold glass mold laser cladding equipment

Abstract

The application discloses a gray cast iron primary mold glass mold laser spray welding equipment and relates to the technical field of glass mold manufacturing. The existing glass mold spray welding slot inside burr and oil cleaning problems, which comprises a laser spray welding equipment and a mold fixing platform located below the laser spray welding equipment. The laser spray welding equipment comprises a guide rail and an electric sliding block freely sliding on the guide rail. Both ends of the guide rail are provided with a free sliding assembly. The lower side of the electric sliding block is fixedly connected with an electric telescopic rod. The output end of the electric telescopic rod is rotatably installed with a connecting barrel. The lower end of the connecting barrel is detachably provided with a laser spray welding assembly. One side of the connecting barrel is provided with a dirt removal assembly. The dirt removal assembly is inserted into the inside of the glass mold spray welding slot, the oil and burr inside the spray welding slot are removed, and the laser spray welding assembly is driven to move along the spray welding slot for cladding. The application can automatically clean the burr and oil inside the spray welding slot and can also automatically align the laser spray welding assembly with the spray welding slot.

Description

Technical Field

[0001] This invention relates to the field of glass mold manufacturing technology, and in particular to a laser spray welding equipment for gray cast iron primary glass molds. Background Technology

[0002] In the glass manufacturing process, the temperature of molten glass reaches over 1100℃. Glass molds are in constant contact with this high-temperature molten glass, requiring excellent high-temperature resistance and oxidation resistance. Furthermore, the repeated opening and closing of the molds, due to impacts and pressure, can cause damage and roughness at the joint lines and interfaces, affecting the quality of the glass products. Therefore, considering the characteristics of the glass mold's operating environment, to improve its service life and the quality of the glass products, it is necessary to strengthen relevant areas of the glass mold to enhance its high-temperature resistance, wear resistance, oxidation resistance, and thermal fatigue resistance.

[0003] Traditional methods for strengthening glass molds include manual arc welding, manual flame welding, and plasma welding. While these methods can all strengthen glass molds, manual welding and flame welding have many drawbacks, such as low weld bonding, low efficiency, poor quality consistency, and high powder consumption. Plasma welding, while solving some of the problems of manual welding and flame welding, is inefficient, requires preheating and annealing, consumes a large amount of powder, and suffers from porosity and cracking due to the high heat input.

[0004] With the development of surface modification technology, laser cladding technology has gradually gained widespread application. Laser cladding, also known as laser coating or laser cladding, is a novel surface modification technology. It involves adding a cladding material to the surface of a substrate and using a high-energy-density laser beam to fuse it together with a thin layer on the substrate surface, forming a filler cladding layer that is metallurgically bonded to the substrate. Due to its high controllability and stable quality, laser cladding technology is becoming a trend in the glass mold manufacturing industry, replacing traditional strengthening methods to meet the strengthening needs of glass molds.

[0005] For example, Chinese invention patent application with publication number CN111014915A discloses a plasma nickel alloy powder spraying process for the joint surface of a glass mold primary mold; including the following steps: grooving: a spraying groove is cut at the joint surface of the primary mold, the spraying groove is a closed structure, and the vertical distance between the spraying groove and the mold cavity is consistent; plasma spraying: the spraying groove is sprayed by plasma spraying process.

[0006] Although existing technologies use plasma spraying to spray weld the weld seam, the weld seam at the joint of a glass mold is usually determined by the shape of the product. For example, different shaped glass bottles will have different weld seams. When a different mold needs to be sprayed after each spraying, different programs are needed to control the trajectory of the spraying equipment, which is inconvenient. In order to be able to spray weld the weld seam for different shapes, a laser spraying equipment for gray cast iron primary mold glass mold is needed. Summary of the Invention

[0007] The present invention proposes a laser spray welding equipment for gray cast iron primary mold glass mold, which solves the problem of automatically cleaning burrs and oil stains on the inner side of the spray welding groove of the glass mold.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] A laser spray welding device for gray cast iron primary mold glass mold includes a laser spray welding device and a mold fixing platform located below it. The laser spray welding device includes a guide rail and an electric slider that slides freely on the guide rail. Free sliding components are provided at both ends of the guide rail. An electric telescopic rod is fixedly connected to the lower side of the electric slider. A connecting cylinder is rotatably installed at the output end of the electric telescopic rod. A laser spray welding component is detachably provided at the lower end of the connecting cylinder.

[0010] The mold fixing platform includes a support platform located below the spray welding head. A mold body is provided in the middle of the upper side of the support platform. A mold cavity for accommodating half of a glass mold is opened in the middle of the mold body. A spray welding groove located outside the outline of the mold cavity is opened on one side of the mold body.

[0011] A cleaning component is installed on one side of the connecting cylinder. The cleaning component is inserted into the inside of the glass mold spray welding tank to remove the oil and burrs inside the spray welding tank and drive the laser spray welding component to move along the spray welding tank for cladding.

[0012] The decontamination assembly includes a connecting bracket fixedly connected to one side of the connecting cylinder. A connecting plate is detachably provided at one end of the connecting bracket. An adjusting sleeve is fixedly connected to the lower side of the connecting plate. A pressing assembly is slidably connected to the lower end of the adjusting sleeve. A magnetic cylinder is fixedly connected to the lower end of the pressing assembly. Oil-absorbing paper is provided on the outside of the magnetic cylinder.

[0013] The clamping assembly includes a sliding sleeve that is slidably connected to the lower end of the adjusting sleeve. The position of the adjusting sleeve is fixed between the adjusting sleeve and the sliding sleeve by a positioning bolt. A spring is fixedly connected to the upper inner surface of the sliding sleeve. A servo motor that slides inside the sliding sleeve is fixedly connected to the lower end of the spring. A slide rod is drivenly connected to the output end of the servo motor. The magnetic cylinder is fixed to the lower end of the slide rod by bolts.

[0014] The magnet tube has an open cavity at the top. The inside of the magnet tube is equipped with oil-absorbing cotton, and the outside of the oil-absorbing cotton is connected to multiple oil-guiding cotton rods that are inclined upward and connected to the oil-absorbing paper.

[0015] Preferably, during use, the magnet cylinder and oil-absorbing paper are inserted into the inner side of the spray welding tank and moved. The outer side of the magnet cylinder is provided with a pull ring for removing burrs and a positioning handle for pushing the pull ring to slide.

[0016] Preferably, the laser spray welding assembly includes a spray welding head connected to a connecting cylinder. The spray welding head has a vertically arranged laser channel at its center. The spray welding head has a laser that cooperates with the laser channel. The spray welding head has multiple powder spraying channels arranged around its inner circumference outside the laser channel. The upper ends of the multiple powder spraying channels are all connected to powder inlet pipes, and one end of each of the multiple powder inlet pipes is connected to a powder feeder.

[0017] Preferably, the free sliding assembly includes guide sleeves fixedly connected to both ends of the guide rail, and a suspension rod is slidably fitted on the inner side of each of the two guide sleeves.

[0018] Preferably, a limiting component for restricting the mold body is provided on one side of the support platform, and a positioning component that cooperates with the limiting component to fix the mold body is provided on the other side of the support platform.

[0019] Preferably, the limiting component includes a limiting plate that is slidably connected to one side of the support platform, and a limiting cylinder that drives the limiting plate to move up and down.

[0020] Preferably, the positioning component includes a fixing plate fixedly connected to the other edge of the support platform, a positioning cylinder fixedly connected to one side of the fixing plate, and a positioning plate that cooperates with the limiting plate to fix the mold body on the upper side of the support platform at the output end of the positioning cylinder.

[0021] Preferably, the width of the spray welding groove is 4-8mm and the depth is 1-3.5mm.

[0022] The beneficial effects of this invention are:

[0023] 1. The cleaning component can clean the burrs and oil inside the spray welding tank, and guide the spray welding head to move along the spray welding tank. There is no need to control the spray welding head to move along the shape of the spray welding tank through a separate program. This allows the spray welding equipment to perform spray welding on spray welding tanks of different shapes, improves the practicality of the equipment, reduces design costs, prevents spray welding from deviating, and improves the quality of spray welding.

[0024] 2. The use of a magnetic cylinder, oil-absorbing cotton, oil-absorbing paper, and oil-guiding cotton rods allows for the cleaning of burrs and oil stains inside the laser spraying tank. This prevents burrs and oil stains from melting onto the bottom of the coating during laser spraying, which would affect the coating's adhesion. Furthermore, the cleaning of burrs and oil stains is automatic during the laser spraying process, eliminating the need for manual or separate cleaning by personnel. This improves the quality of subsequent spraying and increases the efficiency of laser spraying of glass molds. The oil-absorbing cotton and oil-guiding cotton rods guide the oil stains absorbed by the oil-absorbing paper into the interior of the oil-absorbing cotton for easy storage and disposal. Attached Figure Description

[0025] Figure 1 This is a first overall schematic diagram of a laser spray welding equipment for gray cast iron primary mold glass mold proposed in this invention;

[0026] Figure 2 This is a second overall schematic diagram of a laser spray welding equipment for gray cast iron primary mold glass mold proposed in this invention;

[0027] Figure 3 This is a schematic diagram of the mold fixing platform and the first integral part of the laser spray welding equipment for gray cast iron primary mold glass mold proposed in this invention;

[0028] Figure 4 This is a schematic diagram of the mold fixing platform and the second integral of the beer bottle mold in a laser spray welding equipment for gray cast iron primary mold glass mold proposed in this invention;

[0029] Figure 5 This is a partial cross-sectional view of the welding head of a laser spraying equipment for gray cast iron primary mold glass mold proposed in this invention.

[0030] Figure 6 This is a second partial cross-sectional view of the welding head of a laser spraying equipment for gray cast iron primary mold glass mold proposed in this invention;

[0031] Figure 7 for Figure 1 Enlarged view of point A in the middle;

[0032] Figure 8 for Figure 3 Enlarged view of point B in the middle;

[0033] Figure 9 This is a partial schematic diagram of a laser spray welding equipment for gray cast iron primary mold glass mold proposed in this invention;

[0034] Figure 10 for Figure 9 Enlarged diagram of point C in the middle.

[0035] The following are the labeling elements in the diagram: 1. Suspension rod; 2. Guide sleeve; 3. Guide rail; 4. Electric slider; 5. Electric telescopic rod; 6. Connecting plate; 7. Adjusting sleeve; 8. Sliding sleeve; 9. Sliding rod; 10. Connecting cylinder; 11. Welding head; 12. Powder inlet pipe; 13. Laser; 14. Connecting bracket; 15. Positioning bolt; 16. Spring; 17. Magnetic cylinder; 18. Oil-absorbing cotton; 19. Oil-absorbing paper; 20. Oil-guiding cotton rod; 21. Support platform; 22. Limiting plate; 23. Limiting cylinder; 24. Mold cavity; 25. Mold body; 26. Positioning plate; 27. Positioning cylinder; 28. Fixing plate; 29. ​​Welding groove; 30. Laser channel; 31. Powder spraying channel; 32. Pull ring; 33. Positioning handle; 34. Servo motor. Detailed Implementation

[0036] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0037] Example 1

[0038] Reference Figures 1-2 A laser spraying welding device for gray cast iron primary mold glass mold includes a laser spraying welding device and a mold fixing platform located below it. The laser spraying welding device includes a guide rail 3 and an electric slider 4 that slides freely on the guide rail 3. Free sliding components are provided at both ends of the guide rail 3. An electric telescopic rod 5 is fixedly connected to the lower side of the electric slider 4. A connecting cylinder 10 is rotatably installed at the output end of the electric telescopic rod 5. A laser spraying welding component is detachably provided at the lower end of the connecting cylinder 10.

[0039] The mold fixing platform includes a support platform 21 located below the spray welding head 11. A mold body 25 is provided in the middle of the upper side of the support platform 21. A mold cavity 24 for accommodating half of a glass mold is opened in the middle of the mold body 25. A spray welding groove 29 located outside the outline of the mold cavity 24 is opened on one side of the mold body 25.

[0040] A cleaning component is installed on one side of the connecting cylinder 10. The cleaning component is inserted into the inside of the glass mold spray welding groove 29 to remove the oil and burrs inside the spray welding groove 29 and drive the laser spray welding component to move along the spray welding groove 29 for cladding.

[0041] The cleaning component includes a connecting bracket 14 fixedly connected to one side of the connecting cylinder 10. A connecting plate 6 is detachably provided at one end of the connecting bracket 14. An adjusting sleeve 7 is fixedly connected to the lower side of the connecting plate 6. A pressing component is slidably connected to the lower end of the adjusting sleeve 7. A magnetic cylinder 17 is fixedly connected to the lower end of the pressing component. An oil-absorbing paper 19 is provided on the outside of the magnetic cylinder 17.

[0042] The clamping assembly includes a sliding sleeve 8 that is slidably connected to the lower end of the adjusting sleeve 7. The position of the adjusting sleeve 7 is fixed between the adjusting sleeve 7 and the sliding sleeve 8 by a positioning bolt 15. A spring 16 is fixedly connected to the upper inner surface of the sliding sleeve 8. A servo motor 34 that slides inside the sliding sleeve 8 is fixedly connected to the lower end of the spring 16. A slide rod 9 is drivenly connected to the output end of the servo motor 34. A magnetic cylinder 17 is fixed to the lower end of the slide rod 9 by bolts.

[0043] The magnet cylinder 17 has an open cavity at the top. The inside of the magnet cylinder 17 is equipped with oil-absorbing cotton 18. Multiple oil-guiding cotton rods 20 are connected to the outside of the oil-absorbing cotton 18 and are inclined upward and connected to the oil-absorbing paper 19. When the magnet cylinder 17 moves inside the spray welding tank 29, the side wall of the spray welding tank 29 will have a certain magnetism, which facilitates the adsorption and shaping of the magnetic powder sprayed onto the inside of the spray welding tank 29, and prevents the magnetic powder from falling out of the inside of the spray welding tank 29 and affecting the spray welding quality.

[0044] During operation, the electric slider 4 slides freely on the guide rail 3, which can drive the laser spray welding assembly to move. Since one end of the cleaning assembly is inserted into the inside of the spray welding tank 29, the laser spray welding assembly will move along the trajectory of the spray welding tank 29 during the movement. There is no need for personnel to write the program to control the trajectory of the spray welding tank 29 into the control system. The laser spray welding assembly can be automatically driven to move along the trajectory of the spray welding tank 29. Since the shape of the glass mold spray welding tank 29 is constantly changing, this can reduce design costs.

[0045] Reference Figure 2 , Figure 7 , Figure 9 and Figure 10 When in use, the magnet cylinder 17 and the oil-absorbing paper 19 are inserted into the inner side of the spray welding tank 29 and moved. The outer side of the magnet cylinder 17 is provided with a pull ring 32 for removing burrs and a positioning handle 33 for pushing the pull ring 32 to slide.

[0046] In use, by rotating and moving the oil-absorbing paper 19 inside the spray welding tank 29, the oil stains inside the spray welding tank 29 can be absorbed. By moving the magnetic cylinder 17 inside the spray welding tank 29, the burrs inside the spray welding tank 29 can be attracted to the upper surface of the magnetic cylinder 17. Then, by opening the positioning handle 33 and pulling the pull ring 32 to slide on the surface of the magnetic cylinder 17, the burrs can be scraped off, making cleaning convenient.

[0047] Reference Figure 7 Since the servo motor 34 slides vertically inside the sliding sleeve 8, the servo motor 34 will not rotate on its own while driving the sliding rod 9 to rotate, thus ensuring the stability of torque transmission.

[0048] During spray welding, the slide bar 9 is pressed against the upper side of the mold body 25 by the spring 16, so that the magnetic cylinder 17 at the lower end of the slide bar 9 is pressed tightly inside the spray welding groove 29, which improves the cleaning effect of burrs and oil stains. Furthermore, the slide bar 9 is driven to rotate by the servo motor 34, so that the magnetic cylinder 17 at the lower end of the slide bar 9 and the oil-absorbing paper 19 rotate inside the spray welding groove 29, which improves the removal effect of burrs and oil stains.

[0049] The magnetic cylinder 17 can attract burrs as it moves inside the spray welding tank 29, facilitating their collection and processing. The oil-absorbing cotton 18, oil-absorbing paper 19, and oil-guiding cotton rod 20 can clean the oil inside the spray welding tank 29, preventing oil from melting onto the bottom of the coating during laser spray welding and affecting its adhesion. Furthermore, burrs and oil are automatically cleaned during the laser spray welding process, eliminating the need for manual or separate cleaning by personnel, thus improving the quality of subsequent spray welding and increasing the efficiency of laser spray welding of glass molds. The oil-absorbing cotton 18 and oil-guiding cotton rod 20 can guide the oil absorbed by the oil-absorbing paper 19 into the interior of the oil-absorbing cotton 18 for easy storage and disposal.

[0050] Reference Figure 2 , Figure 5 , Figure 6 and Figure 7 The laser spray welding assembly includes a spray welding head 11 connected to the connecting cylinder 10. A vertically arranged laser channel 30 is formed at the center of the spray welding head 11. A laser 13, which works in conjunction with the laser channel 30, is located inside the spray welding head 11. Multiple powder spraying channels 31 are arranged around the inner circumference of the spray welding head 11, located outside the laser channel 30. The upper ends of each of the multiple powder spraying channels 31 are connected to powder inlet pipes 12, and one end of each of the multiple powder inlet pipes 12 is connected to a powder feeder. The powder feeder is a scraper-type air-carrying powder feeder.

[0051] In use, metal powder is first sprayed onto the inner side of the spray welding tank 29 by a powder feeder, and then the laser 13 passes through the laser channel 30 to melt the metal powder onto the inner side of the spray welding tank 29 to form a cladding strip.

[0052] The free sliding assembly includes guide sleeves 2 that are fixedly connected to both ends of the guide rail 3, and suspension rods 1 are slidably sleeved on the inner side of both guide sleeves 2.

[0053] Reference Figure 3 , Figure 4 ,and Figure 8 The width of the spray welding groove 29 is 4-8mm and the depth is 1-3.5mm.

[0054] Metal powder can be fused into the interior of the spray welding tank 29, improving the high temperature resistance, wear resistance, oxidation resistance and thermal fatigue resistance of the glass mold seam, upper and lower interfaces and other locations.

[0055] Example 2

[0056] A further improvement on Example 1 is that, referring to... Figures 3-4 The support platform 21 is slidably connected to a limiting plate 22 and a limiting cylinder 23 that drives the limiting plate 22 to move up and down. The other edge of the support platform 21 is fixedly connected to a fixing plate 28. A positioning cylinder 27 is fixedly connected to one side of the fixing plate 28. The output end of the positioning cylinder 27 is fixedly connected to a positioning plate 26 that cooperates with the limiting plate 22 to fix the mold body 25 on the upper side of the support platform 21.

[0057] In use, the mold body 25 is first placed on the upper middle of the support platform 21. Then, the limiting cylinder 23 drives the limiting plate 22 to slide from the lower side of the support platform 21 to the upper side against one side of the mold body 25. Then, the positioning cylinder 27 drives the positioning plate 26 to move, so that the mold body 25 is fixed between the limiting plate 22 and the positioning plate 26. This facilitates the subsequent cladding of the spray welding groove 29 on the mold body 25 by laser spray welding equipment, preventing the mold from shaking and improving the cladding quality.

[0058] Working principle: Before spray welding, the mold body 25 is first placed on the upper middle of the support platform 21. Then, the limiting cylinder 23 drives the limiting plate 22 to slide from the lower side of the support platform 21 to the upper side, abutting against one side of the mold body 25. Then, the positioning cylinder 27 drives the positioning plate 26 to move, so that the mold body 25 is fixed between the limiting plate 22 and the positioning plate 26. Then, the electric telescopic rod 5 is adjusted so that the magnetic cylinder 17 at the lower end of the slide rod 9 is inserted into the inside of the spray welding groove 29. Then, the spring 16 at the upper end of the slide rod 9 presses it against the inside of the spray welding groove 29. Then, the electric slider 4 works, so that the laser spray welding component and the decontamination component move together on the mold body 25. The oil-absorbing paper 19 moves inside the spray welding groove 29, which can remove the oil inside the spray welding groove 29. Oil stains are adsorbed, and the magnetic cylinder 17 moves within the welding tank 29, attracting burrs on the inside of the welding tank 29 to the upper surface of the magnetic cylinder 17 for easy cleaning. Since the magnetic cylinder 17 is inserted into the welding tank 29, the laser welding assembly moves with the welding tank 29. Because one end of the cleaning component is inserted into the inside of the welding tank 29, the laser welding assembly moves along the trajectory of the welding tank 29 during its movement. There is no need for personnel to write the program controlling the trajectory of the welding tank 29 into the control system; the laser welding assembly can automatically move along the trajectory of the welding tank 29. Because the shape of the glass mold welding tank 29 is constantly changing, welding costs can be reduced, allowing the equipment to be used in a wider range of applications.

[0059] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0060] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0061] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A laser spray welding device for gray cast iron primary mold glass mold, comprising a laser spray welding device and a mold fixing platform located below it, characterized in that, The laser spraying equipment includes a guide rail (3) and an electric slider (4) that slides freely on the guide rail (3). The two ends of the guide rail (3) are provided with free sliding components. An electric telescopic rod (5) is fixedly connected to the lower side of the electric slider (4). A connecting cylinder (10) is rotatably installed at the output end of the electric telescopic rod (5). A laser spraying component is detachably provided at the lower end of the connecting cylinder (10). The mold fixing platform includes a support platform (21) located below the spray welding head (11). A mold body (25) is provided in the middle of the upper side of the support platform (21). A mold cavity (24) for accommodating half a glass mold is opened in the middle of the mold body (25). A spray welding groove (29) located outside the outline of the mold cavity (24) is opened on one side of the mold body (25). A cleaning component is installed on one side of the connecting cylinder (10). The cleaning component is inserted into the inside of the glass mold spray welding groove (29) to remove the oil and burrs inside the spray welding groove (29) and drive the laser spray welding component to move and melt along the spray welding groove (29). The decontamination assembly includes a connecting bracket (14) fixedly connected to one side of the connecting cylinder (10). One end of the connecting bracket (14) is detachably provided with a connecting plate (6). An adjusting sleeve (7) is fixedly connected to the lower side of the connecting plate (6). A pressing assembly is slidably connected to the lower end of the adjusting sleeve (7). A magnetic cylinder (17) is fixedly connected to the lower end of the pressing assembly. An oil-absorbing paper (19) with a strip structure is provided on the outside of the magnetic cylinder (17). The clamping assembly includes a sliding sleeve (8) that is slidably connected to the lower end of the adjusting sleeve (7). The position of the adjusting sleeve (7) is fixed between the adjusting sleeve (7) and the sliding sleeve (8) by a positioning bolt (15). A spring (16) is fixedly connected to the upper inner surface of the sliding sleeve (8). A servo motor (34) that slides inside the sliding sleeve (8) is fixedly connected to the lower end of the spring (16). A slide rod (9) is drivenly connected to the output end of the servo motor (34). The magnet cylinder (17) is fixed to the lower end of the slide rod (9) by bolts. The magnet tube (17) has an open cavity at the top. The inside of the magnet tube (17) is provided with oil-absorbing cotton (18). The outside of the oil-absorbing cotton (18) is connected to a plurality of oil-guiding cotton rods (20) that are inclined upward and connected to the oil-absorbing paper (19).

2. The laser spray welding equipment for gray cast iron primary mold glass mold according to claim 1, characterized in that, When in use, the magnet cylinder (17) and the oil-absorbing paper (19) are inserted into the inside of the spray welding tank (29) and moved. The magnet cylinder (17) is provided with a pull ring (32) for removing burrs and a positioning handle (33) for pushing the pull ring (32) to slide.

3. The laser spray welding equipment for gray cast iron primary mold glass mold according to claim 2, characterized in that, The laser spray welding assembly includes a spray welding head (11) connected to a connecting cylinder (10). A vertically arranged laser channel (30) is provided in the center of the spray welding head (11). A laser (13) that cooperates with the laser channel (30) is provided inside the spray welding head (11). Multiple powder spraying channels (31) located outside the laser channel (30) are arranged on the inner circumference of the spray welding head (11). The upper ends of the multiple powder spraying channels (31) are all connected to powder inlet pipes (12). One end of the multiple powder inlet pipes (12) is connected to a powder feeder.

4. The laser spray welding equipment for gray cast iron primary mold glass mold according to claim 1, characterized in that, The free sliding assembly includes guide sleeves (2) that are fixedly connected to both ends of the guide rail (3), and suspension rods (1) are slidably sleeved on the inner side of both guide sleeves (2).

5. The laser spray welding equipment for gray cast iron primary mold glass mold according to claim 4, characterized in that, One side of the support platform (21) is provided with a limiting component to restrict the mold body (25), and the other side of the support platform (21) is provided with a positioning component that cooperates with the limiting component to fix the mold body (25).

6. The laser spray welding equipment for gray cast iron primary mold glass mold according to claim 5, characterized in that, The limiting component includes a limiting plate (22) that is slidably connected to one side of the support platform (21), and a limiting cylinder (23) that drives the limiting plate (22) to move up and down.

7. The laser spray welding equipment for gray cast iron primary mold glass mold according to claim 6, characterized in that, The positioning component includes a fixing plate (28) fixedly connected to the other edge of the support platform (21). A positioning cylinder (27) is fixedly connected to one side of the fixing plate (28). The output end of the positioning cylinder (27) is fixedly connected to a positioning plate (26) that cooperates with the limiting plate (22) to fix the mold body (25) on the upper side of the support platform (21).

8. The laser spraying equipment for gray cast iron primary mold glass mold according to claim 7, characterized in that, The spray welding groove (29) has a width of 4-8mm and a depth of 1-3.5mm.

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