A device for laser quenching the surface of a die steel

Abstract

The utility model discloses a mould steel surface laser quenching treatment device relates to quenching treatment device technical field, including base, the upside of base is fixedly connected with track, the upside slidingly connected with movable seat has of track, the upside of base is fixedly connected with support, the upside of base is fixedly connected with mount, the upside fixedly connected with refrigeration case of support, the upside fixedly connected with fan of support, the input pipe of fan is fixedly connected with refrigeration case, the output pipe of fan is fixedly connected with support. The utility model discloses through second motor, worm, fan, refrigeration case, worm wheel, air outlet head, air outlet pipe, the mutual matching of limit ring and inclined air deflector, can rotate air cooling to mould after quenching, and rotate air cooling can take away the heat of mould surface through forced convection heat dissipation, can shorten the cooling time, compares to natural cooling or static air cooling, and rotate air cooling can more efficiently reduce mould temperature.

Description

Technical Field

[0001] This utility model relates to the technical field of quenching treatment devices, specifically to a laser quenching treatment device for the surface of mold steel. Background Technology

[0002] The laser hardening treatment device for mold steel surface is mainly used to rapidly heat the surface of mold steel with a high energy density laser beam, causing it to undergo phase transformation and self-cooling hardening, thereby significantly improving the hardness, wear resistance and fatigue resistance of the mold surface. It can also perform precise hardening on key parts of the mold to avoid deformation or cracking caused by overall heat treatment.

[0003] The existing technology has the following problems:

[0004] Existing devices cannot perform rotary air cooling on the mold after quenching. Without rotary air cooling, the mold steel surface mainly relies on natural cooling or local static air cooling. In this case, the heat dissipation rate is slow and it is easy to cause uneven cooling. In the laser quenching area, the cooling rate of the edge and center parts, as well as the protrusions and depressions, may vary greatly, thus affecting the overall performance of the mold. In addition, existing devices cannot double-clamp the mold. Single-point clamping or simple fixing methods cannot balance the force on different parts of the mold, which may cause the mold to warp or bend during quenching, ultimately affecting the geometric accuracy and surface quality of the mold. Utility Model Content

[0005] This invention provides a laser hardening device for the surface of mold steel to solve the problems existing in the background art.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A laser hardening device for mold steel surface includes a base, a track fixedly connected to the upper side of the base, a movable seat slidably connected to the upper side of the track, a bracket fixedly connected to the upper side of the base, a fixed frame fixedly connected to the upper side of the base, a cooling box fixedly connected to the upper side of the bracket, a fan fixedly connected to the upper side of the bracket, an input pipe of the fan fixedly connected to the cooling box, an output pipe of the fan fixedly connected to the bracket, an air inlet pipe provided on the left side of the cooling box, a first motor fixedly connected to the right side of the fixed frame, a threaded rod fixedly connected to the output end of the first motor, a movable block threadedly connected to the outer wall of the threaded rod, and a laser emitter provided on the lower side of the movable block.

[0008] A further improvement of this utility model is that: multiple air outlet pipes are fixedly connected to the upper side of the inner surface of the bracket, an air outlet head is rotatably connected to the outer wall of the air outlet pipe, a worm gear is fixedly connected to the outer wall of the air outlet head, a second motor is fixedly connected to the right side of the worm gear, a worm is fixedly connected to the output end of the second motor, and the outer wall of the worm is meshed with the worm gear.

[0009] A further improvement of this utility model is that: a limiting ring is fixedly connected to the outer wall of the air outlet pipe, the outer wall of the limiting ring is rotatably connected to the air outlet head, a plurality of inclined air guide plates are fixedly connected to the inner surface of the air outlet head, and the outer wall of the worm gear is rotatably connected to the bracket.

[0010] A further improvement of this utility model is that: two sliding grooves are provided on the upper side of the movable seat, a third motor is fixedly connected to the right side of the movable seat, a threaded column is fixedly connected to the output end of the third motor, two moving plates are threadedly connected to the outer wall of the threaded column, a U-shaped rod is fixedly connected to the upper side of the moving plate, and a lifting clamping plate is slidably connected to the outer wall of the U-shaped rod.

[0011] A further improvement of this utility model is that: two fixed rods are slidably connected through the opposite surfaces of the two movable plates; a transverse clamping block is fixedly connected to one end of each fixed rod; a connecting block is fixedly connected to the other end of each fixed rod; a rotating plate is rotatably connected to the upper side of the connecting block; the other end of the rotating plate is rotatably connected to the lifting clamping plate; and a spring is sleeved on the outer wall of each fixed rod.

[0012] A further improvement of this utility model is that: one end of the spring is fixedly connected to the transverse clamping block, the other end of the spring is fixedly connected to the moving plate, and the outer wall of the moving plate is slidably connected to the slide groove.

[0013] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0014] 1. This utility model provides a laser quenching treatment device for mold steel surface. Through the cooperation of a second motor, worm gear, fan, cooling box, worm wheel, air outlet, air outlet pipe, limiting ring and inclined air guide plate, the mold can be rotated and cooled after quenching. Rotary air cooling can quickly remove the heat from the mold surface through forced convection heat dissipation, shorten the cooling time. Compared with natural cooling or static air cooling, rotary air cooling can reduce the mold temperature more efficiently.

[0015] 2. This utility model provides a laser quenching treatment device for the surface of mold steel. Through the cooperation of a moving plate, a U-shaped rod, a lifting clamping plate, a rotating plate, a connecting block, a fixing rod, a spring, a sliding groove and a transverse clamping block, the mold can be double-clamped and fixed. The double clamping and fixing can balance the thermal expansion and contraction of the mold during heating and cooling by applying force evenly at multiple points, effectively preventing warping, bending or twisting deformation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial structural schematic diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the rotary air-cooling structure of this utility model;

[0019] Figure 4 This is an exploded view of part of the structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the clamping structure of this utility model;

[0021] Figure 6 for Figure 5 Enlarged schematic diagram of the structure at point A in the middle.

[0022] In the diagram: 1. Base; 2. Track; 3. Movable seat; 4. Bracket; 5. Fixed frame; 6. First motor; 7. Threaded rod; 8. Movable block; 9. Laser emitter; 10. Second motor; 11. Worm gear; 12. Fan; 13. Refrigeration box; 14. Worm wheel; 15. Air outlet; 16. Air outlet duct; 17. Limiting ring; 18. Inclined air guide plate; 19. Third motor; 20. Threaded column; 21. Moving plate; 22. U-shaped rod; 23. Lifting clamping plate; 24. Rotating plate; 25. Connecting block; 26. Fixed rod; 27. Spring; 28. Slide groove; 29. ​​Lateral clamping block. Detailed Implementation

[0023] To make the technical means, creative features, objectives, and effects of this utility model easier to understand, the following describes this utility model in conjunction with specific embodiments:

[0024] like Figure 1-2As shown, this utility model provides a laser hardening treatment device for mold steel surface, including a base 1, a track 2 fixedly connected to the upper side of the base 1, a movable seat 3 slidably connected to the upper side of the track 2, a bracket 4 fixedly connected to the upper side of the base 1, a fixed frame 5 fixedly connected to the upper side of the base 1, a cooling box 13 fixedly connected to the upper side of the bracket 4, a fan 12 fixedly connected to the upper side of the bracket 4, an input pipe of the fan 12 fixedly connected to the cooling box 13, an output pipe of the fan 12 fixedly connected to the bracket 4, an air inlet pipe provided on the left side of the cooling box 13, a first motor 6 fixedly connected to the right side of the fixed frame 5, a threaded rod 7 fixedly connected to the output end of the first motor 6, and a movable block 8 threadedly connected to the outer wall of the threaded rod 7. A laser emitter 9 is installed on the lower side of the movable block 8. When laser hardening of the mold steel is required, the first motor 6 starts and drives the threaded rod 7 to rotate. Since the movable block 8 is threadedly connected to the threaded rod 7, the movable block 8 moves along the threaded rod 7 under the action of threaded transmission, thereby driving the laser emitter 9 below to move. The left and right positions of the laser emitter 9 can be adjusted so that it can perform laser hardening of the mold steel in a suitable position. At the same time, the movable seat 3 can slide on the track 2, which makes it convenient to move the mold steel to the designated position below the laser emitter 9 for hardening treatment. In addition, the fan 12 is connected to the refrigeration box 13. The fan 12 delivers the cold air inside the refrigeration box 13 to the subsequent air-cooling structure through the output pipe.

[0025] like Figure 3-4 As shown, this utility model provides a technical solution: Preferably, multiple air outlet pipes 16 are fixedly connected to the upper side of the inner surface of the support 4, an air outlet head 15 is rotatably connected to the outer wall of the air outlet pipe 16, a worm gear 14 is fixedly connected to the outer wall of the air outlet head 15, a second motor 10 is fixedly connected to the right side of the worm gear 14, a worm 11 is fixedly connected to the output end of the second motor 10, the outer wall of the worm 11 meshes with the worm gear 14, a limit ring 17 is fixedly connected to the outer wall of the air outlet pipe 16, the outer wall of the limit ring 17 is rotatably connected to the air outlet head 15, multiple inclined air guide plates 18 are fixedly connected to the inner surface of the air outlet head 15, and the outer wall of the worm 11 is rotatably connected to the support 4. After quenching, the system is started. The second motor 10 drives the worm gear 11 to rotate. Since the worm gear 11 is meshed with the worm wheel 14, the rotation of the worm gear 11 will drive the worm wheel 14 to rotate. The worm wheel 14 is fixedly connected to the air outlet 15, which in turn drives the air outlet 15 to rotate around the air outlet duct 16. The inclined air guide plate 18 inside the air outlet 15 will guide the cold air blown out from the air outlet duct 16. As the air outlet 15 rotates, the cold air will be blown toward the mold steel surface in a rotating manner. The limiting ring 17 plays a limiting and supporting role for the air outlet 15, ensuring the stability of the rotation of the air outlet 15. This rotating air cooling method can quickly remove the heat from the mold surface and shorten the cooling time through forced convection heat dissipation.

[0026] like Figure 5-6As shown, this utility model provides a technical solution: Preferably, two sliding grooves 28 are provided on the upper side of the movable seat 3. A third motor 19 is fixedly connected to the right side of the movable seat 3. A threaded column 20 is fixedly connected to the output end of the third motor 19. Two moving plates 21 are threadedly connected to the outer wall of the threaded column 20. A U-shaped rod 22 is fixedly connected to the upper side of the moving plate 21. A lifting clamping plate 23 is slidably connected to the outer wall of the U-shaped rod 22. Two fixed rods 26 are slidably connected through the opposite surfaces of the two moving plates 21. A transverse clamping block 29 is fixedly connected to one end of the fixed rod 26. A connecting block 25 is fixedly connected to the other end of the fixed rod 26. A rotating plate 24 is rotatably connected to the upper side of the connecting block 25. The other end of the rotating plate 24 is rotatably connected to the lifting clamping plate 23. A spring 27 is sleeved on the outer wall of the fixed rod 26. One end of the spring 27 is fixedly connected to the transverse clamping block 29. The other end of the spring 27 is fixedly connected to the moving plate 21. The outer wall of the moving plate 21 is connected to the sliding groove. 28 Sliding connection, start the third motor 19, the third motor 19 drives the threaded column 20 to rotate. Since the two moving plates 21 are threadedly connected to the threaded column 20, and the two sections of thread on the threaded column 20 rotate in opposite directions, when the threaded column 20 rotates, the two moving plates 21 will move in opposite or opposite directions along the threaded column 20 under the limit of the slide groove 28. When the moving plates 21 move, the transverse clamping block 29 will contact the mold first. At this time, the moving plates 21 will continue to move, thereby driving the connecting block 25 to move in the opposite direction. The movement of the connecting block 25 can pull the lifting clamping plate 23 down through the rotating plate 24. The movement of the lifting clamping plate 23 can clamp and fix the upper and lower sides of the mold. The two transverse clamping blocks 29 move towards each other to clamp and fix the left and right sides of the mold, realizing double clamping and fixing of the mold steel. Through multi-point uniform force, the thermal expansion and contraction of the mold during heating and cooling are balanced, effectively preventing warping, bending or twisting deformation.

[0027] The working principle of the laser hardening treatment device for the surface of mold steel will be explained in detail below.

[0028] like Figure 1-6As shown, after quenching, the second motor 10 is started, driving the worm gear 11 to rotate. Because the worm gear 11 is meshed with the worm wheel 14, the rotation of the worm gear 11 will drive the worm wheel 14 to rotate. The worm wheel 14 is fixedly connected to the air outlet 15, which in turn drives the air outlet 15 to rotate around the air outlet duct 16. The inclined guide plate 18 inside the air outlet 15 will guide the cold air blown out from the air outlet duct 16. As the air outlet 15 rotates, the cold air will be blown towards the surface of the mold steel in a rotating manner. The limiting ring 17 plays a limiting and supporting role for the air outlet 15, ensuring the stability of the rotation of the air outlet 15. This rotating air cooling method can quickly remove the heat from the mold surface and shorten the cooling time through forced convection heat dissipation. The third motor 19 is started, driving the threaded column 20 to rotate. Because the two moving plates 21 and the threaded column 20 rotate, the cold air is blown towards the surface of the mold steel in a rotating manner. The threaded column 20 is connected by threads, and the two threads on the threaded column 20 have opposite directions of rotation. Therefore, when the threaded column 20 rotates, the two moving plates 21 will move in opposite or opposite directions along the threaded column 20 under the limit of the slide groove 28. When the moving plate 21 moves, the transverse clamping block 29 will contact the mold first. At this time, the moving plate 21 will continue to move, thereby driving the connecting block 25 to move in the opposite direction. The movement of the connecting block 25 can pull the lifting clamping plate 23 downward by rotating the plate 24. The movement of the lifting clamping plate 23 can clamp and fix the upper and lower sides of the mold. The two transverse clamping blocks 29 can clamp and fix the left and right sides of the mold by moving towards each other, realizing the double clamping and fixing of the mold steel. By applying force evenly at multiple points, the thermal expansion and contraction of the mold during heating and cooling are balanced, effectively preventing warping, bending or twisting deformation.

[0029] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A laser hardening device for mold steel surface, characterized in that: The system includes a base (1), a track (2) fixedly connected to the upper side of the base (1), a movable seat (3) slidably connected to the upper side of the track (2), a bracket (4) fixedly connected to the upper side of the base (1), a fixed frame (5) fixedly connected to the upper side of the base (1), a refrigeration box (13) fixedly connected to the upper side of the bracket (4), a fan (12) fixedly connected to the upper side of the bracket (4), an input pipe of the fan (12) fixedly connected to the refrigeration box (13), an output pipe of the fan (12) fixedly connected to the bracket (4), an air inlet pipe on the left side of the refrigeration box (13), a first motor (6) fixedly connected to the right side of the fixed frame (5), a threaded rod (7) fixedly connected to the output end of the first motor (6), a movable block (8) threadedly connected to the outer wall of the threaded rod (7), and a laser emitter (9) provided on the lower side of the movable block (8).

2. The laser hardening device for mold steel surface according to claim 1, characterized in that: Multiple air outlet pipes (16) are fixedly connected to the upper side of the inner surface of the bracket (4). An air outlet head (15) is rotatably connected to the outer wall of the air outlet pipe (16). A worm gear (14) is fixedly connected to the outer wall of the air outlet head (15). A second motor (10) is fixedly connected to the right side of the worm gear (14). A worm (11) is fixedly connected to the output end of the second motor (10). The outer wall of the worm (11) meshes with the worm gear (14).

3. The laser hardening device for mold steel surface according to claim 2, characterized in that: The outer wall of the air outlet pipe (16) is fixedly connected to a limiting ring (17), the outer wall of the limiting ring (17) is rotatably connected to the air outlet head (15), the inner surface of the air outlet head (15) is fixedly connected to multiple inclined air guide plates (18), and the outer wall of the worm (11) is rotatably connected to the bracket (4).

4. The laser hardening device for mold steel surface according to claim 1, characterized in that: The upper side of the movable seat (3) is provided with two sliding grooves (28). The right side of the movable seat (3) is fixedly connected to a third motor (19). The output end of the third motor (19) is fixedly connected to a threaded column (20). The outer wall of the threaded column (20) is threadedly connected to two moving plates (21). The upper side of the moving plate (21) is fixedly connected to a U-shaped rod (22). The outer wall of the U-shaped rod (22) is slidably connected to a lifting clamping plate (23).

5. The laser hardening device for mold steel surface according to claim 4, characterized in that: Two fixed rods (26) are slidably connected through the opposite surfaces of the two movable plates (21). One end of the fixed rod (26) is fixedly connected to a transverse clamping block (29), and the other end of the fixed rod (26) is fixedly connected to a connecting block (25). A rotating plate (24) is rotatably connected to the upper side of the connecting block (25). The other end of the rotating plate (24) is rotatably connected to a lifting clamping plate (23). A spring (27) is sleeved on the outer wall of the fixed rod (26).

6. The laser hardening device for mold steel surface according to claim 5, characterized in that: One end of the spring (27) is fixedly connected to the transverse clamping block (29), and the other end of the spring (27) is fixedly connected to the moving plate (21). The outer wall of the moving plate (21) is slidably connected to the slide groove (28).

Images