Thermal bonding device and thermal bonding method for plate-shaped laser crystal

Abstract

The invention relates to the field of laser crystal preparation, in particular to a thermal bonding device and a thermal bonding method for a plate-shaped laser crystal, and aims to overcome the defect that the working efficiency is reduced due to the fact that a thermal bonding device in the prior art is inconvenient to quickly cool the plate-shaped laser crystal, the following scheme is provided: the thermal bonding device comprises a bottom plate; the number of the cushion blocks is four, and the four cushion blocks are fixedly installed at the bottom of the bottom plate; the boss is fixedly installed on the top of the bottom plate, fixing frames are fixedly installed on the two sides of the boss, the same workbench is installed on the two fixing frames, and a groove is formed in the top of the workbench; the outer cavity is fixedly installed at the top of the bottom plate, ventilation openings are formed in the two corresponding sides of the outer cavity, and a first through hole and two second through holes are formed in the other two sides of the outer cavity correspondingly, the laser crystal cooling device facilitates rapid cooling of a plate-shaped laser crystal, and therefore the working efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of laser crystal preparation, and particularly relates to a thermal bonding device and a thermal bonding method for plate-shaped laser crystals. Background Art

[0002] The thermal bonding device and the thermal bonding method for plate-shaped laser crystals are a technology for laser crystal preparation. The thermal bonding method mainly includes placing the laser crystal to be bonded in a specific environment for vacuum heat treatment to achieve the stable bonding of the crystals.

[0003] The patent document with the publication number CN107964683A discloses a thermal bonding method and device for laser crystals, belonging to the field of laser crystal preparation. The thermal bonding method includes: placing the laser crystal to be bonded into a preparation device filled with a plurality of support spheres inside, so that the laser crystal to be bonded is buried in the plurality of support spheres; laying a partition plate on the surfaces of the plurality of support spheres, and applying a preset pressure to the partition plate; under a preset vacuum degree, performing vacuum heat treatment on the laser crystal to be bonded to obtain the bonded laser crystal. By burying the laser crystal to be bonded in the plurality of support spheres and laying a partition plate on the surfaces of the plurality of support spheres, the present invention can indirectly apply a preset pressure to the laser crystal to be bonded uniformly through the partition plate, avoid the deformation of the laser crystal to be bonded due to uneven stress during the heat treatment process, prevent defects such as unbonded areas and air bubbles on the bonding surface of the laser crystal, and improve the optical quality and mechanical strength of the bonding surface of the bonded laser crystal.

[0004] However, the above-mentioned thermal bonding device and thermal bonding method for plate-shaped laser crystals are not convenient for quickly cooling down the plate-shaped laser crystals, thus reducing the working efficiency. Summary of the Invention

[0005] The purpose of the present invention is to solve the defect that the existing thermal bonding device is not convenient for quickly cooling down the plate-shaped laser crystals, thus reducing the working efficiency, and to propose a thermal bonding device and a thermal bonding method for plate-shaped laser crystals.

[0006] The thermal bonding device and the thermal bonding method for plate-shaped laser crystals provided by the present application adopt the following technical solutions: A thermal bonding device for plate-shaped laser crystals includes: A bottom plate; Four cushion blocks, and the four cushion blocks are all fixedly installed at the bottom of the bottom plate; A boss, fixedly installed on the top of the bottom plate, and fixing frames are fixedly installed on both sides of the boss. The same workbench is installed on the two fixing frames, and a groove is opened at the top of the workbench; The outer cavity is fixedly installed on the top of the bottom plate, and ventilation openings are provided on both corresponding sides of the outer cavity. A first through hole and two second through holes are respectively provided on the other two sides of the outer cavity, and two third through holes are provided on the top of the outer cavity. A vacuum detection instrument and a high-voltage detection instrument are respectively fixedly installed in the two third through holes, and a push rod motor is fixedly installed on the inner wall of the top of the outer cavity; The water tank is fixedly installed on one side of the outer cavity, and a fourth through hole is provided on one side of the water tank; The plasma cleaner is fixedly installed on the top of the bottom plate; The sealing assembly is fixedly installed on both sides of the outer cavity; The heat dissipation assembly is fixedly installed on the two ventilation openings; The cooling assembly is fixedly installed in the groove; The stirring assembly is rotatably installed in the third through hole.

[0007] Furthermore, four counterbores are provided on the top of the convex platform, and first buffer springs are fixedly installed on the bottom inner walls of the four counterbores. Ball head studs are installed at one ends of the four first buffer springs, and a heat insulation plate is installed on the four ball head studs. A first heater is fixedly installed on the top of the heat insulation plate, and fixing plates are installed on one sides of the two fixing frames.

[0008] Furthermore, first fixing columns are fixedly installed on both of the two fixing plates, and sliding grooves are provided at one ends of the two first fixing columns. Second fixing columns are slidably installed in the two sliding grooves, and second buffer springs are fixedly installed on the bottom inner walls of the two sliding grooves. One ends of the two second buffer springs are fixedly connected to the two second fixing columns respectively, and a fixing table is fixedly installed at one ends of the two second fixing columns. A second heater is fixedly installed at the bottom of the fixing table, and the output shaft of the push rod motor is fixedly connected to the fixing table.

[0009] Furthermore, the sealing assembly includes two support plates which are respectively fixedly installed on both sides of the outer cavity. Lead screws are rotatably installed on the two support plates, and sealing plates are threadedly connected to the two lead screws. The two sealing plates are respectively slidably installed on the two ventilation openings, and a first sprocket is fixedly installed on one of the two lead screws. The first sprocket is engaged with a first chain, and the first chain is engaged with a second sprocket. The second sprocket is fixedly installed on the other one of the two lead screws.

[0010] Further, the heat dissipation component includes two heat dissipation frames, and the two heat dissipation frames are respectively fixedly installed on two ventilation openings. One of the two heat dissipation frames is fixedly installed with a first driving motor, and the output shaft of the first driving motor is fixedly connected to one of the two lead screws. Both of the two heat dissipation frames are provided with fifth through holes, and rotating shafts are rotatably installed in the two fifth through holes. A plurality of fan blades are fixedly installed on both of the two rotating shafts. One of the two heat dissipation frames is fixedly installed with an installation box. A second driving motor is fixedly installed on the inner wall of the installation box, and the output shaft of the second driving motor is fixedly connected to one of the two rotating shafts.

[0011] Further, the cooling component includes a cooling pipe, and the cooling pipe is fixedly installed in the groove. The water inlet and the water outlet of the cooling pipe are respectively fixedly installed in two second through holes. A collection port is opened at the top of the water tank. The collection port and the water outlet are fixedly installed with the same collection pipe. A discharge hole is opened on one side of the water tank. A water pump is fixedly installed on one side of the water tank. The input end of the water pump and the discharge hole are fixedly installed with the same first delivery pipe. The output end of the water pump and the water inlet are fixedly installed with the same second delivery pipe. A refrigerator is fixedly installed on the bottom inner wall of the water tank.

[0012] Further, the stirring component includes a rotating shaft, and the rotating shaft is rotatably installed in the third through hole. A plurality of stirring rollers are fixedly installed on the rotating shaft. A vacuum machine is fixedly installed on the other side of the outer cavity. A connecting pipe is fixedly installed on the vacuum machine, and one end of the connecting pipe is fixedly connected to the first through hole. A first bevel gear is fixedly installed on the output shaft of the second driving motor, and the first bevel gear meshes with a second bevel gear. A first transmission shaft is fixedly installed on the second bevel gear, and the first transmission shaft is rotatably installed on the installation box.

[0013] Further, a first support frame is fixedly installed on the other one of the two heat dissipation frames. A second transmission shaft is rotatably installed on the first support frame. A third bevel gear is fixedly installed at one end of the second transmission shaft, and the third bevel gear meshes with a fourth bevel gear. The fourth bevel gear is fixedly installed on the other one of the two rotating shafts. A third sprocket is fixedly installed on the first transmission shaft. The third sprocket meshes with a second chain, and the second chain meshes with a fourth sprocket. The fourth sprocket is fixedly installed on the second transmission shaft.

[0014] Further, a second support frame and a third support frame are fixedly installed on one side of the water tank. A worm is rotatably installed on the second support frame. The worm meshes with a worm gear, and the worm gear is fixedly installed on a rotating shaft. A third transmission shaft is rotatably installed on the third support frame. A fifth bevel gear is fixedly installed at one end of the third transmission shaft. The fifth bevel gear meshes with a sixth bevel gear, and the sixth bevel gear is fixedly installed on the worm. A fifth sprocket is fixedly installed on the first transmission shaft. The fifth sprocket meshes with a third chain. The third chain meshes with a sixth sprocket, and the sixth sprocket is fixedly installed on the third transmission shaft.

[0015] The present invention also proposes a thermal bonding method for a thermal bonding device of a plate-shaped laser crystal, including the following steps: S1: During use, first place the plate-shaped laser crystal into a plasma cleaner. The plasma cleaner cleans and activates the bonding surface of the plate-shaped laser crystal to improve the surface activity and bonding ability of the plate-shaped laser crystal. S2: Then place the processed plate-shaped laser crystal on the workbench. At this time, start the push rod motor. The push rod motor drives the fixed table to move. The fixed table drives the second heater to move. At the same time, the fixed table drives two second fixing columns to move synchronously. The two second fixing columns respectively drive the workbench to move by squeezing two second buffer springs. The workbench drives the heat insulation plate to move. The heat insulation plate drives four ball head studs to squeeze four first buffer springs respectively to uniformly press the first heater, the second heater and the workbench, so as to achieve uniform close contact between two plate-shaped laser crystals. S3: At this time, start the vacuum machine. The vacuum machine forms a vacuum in the outer cavity through the connecting pipe. Monitor the outer cavity through a vacuum detection instrument and a high-voltage detection instrument. When the required environment is reached in the outer cavity, turn off the vacuum machine. S4: At this time, start the first heater and the second heater. Perform thermal bonding operation on the two plate-shaped laser crystals at a set temperature through the first heater and the second heater. When the thermal bonding is completed, turn off the first heater and the second heater. S5: Start the cooler to cool the cooling medium in the water tank through the cooler. At the same time, start the first drive motor. The first drive motor drives one of the two lead screws to rotate. One of the two lead screws drives the first sprocket to rotate. The first sprocket drives the second sprocket to rotate through the first chain. The second sprocket drives the other lead screw of the two lead screws to rotate. The two lead screws drive the two sealing plates to move respectively. The two sealing plates open the two ventilation openings respectively. At the same time, start the second drive motor. The second drive motor drives one of the two rotating shafts to rotate. The second drive motor drives the first bevel gear to rotate. The first bevel gear drives the second bevel gear to rotate. The second bevel gear drives the first transmission shaft to rotate. The first transmission shaft drives the third sprocket to rotate. The third sprocket drives the fourth sprocket to rotate through the second chain. The fourth sprocket drives the second transmission shaft to rotate. The second transmission shaft drives the third bevel gear to rotate. The third bevel gear drives the fourth bevel gear to rotate. The fourth bevel gear drives the other rotating shaft of the two rotating shafts to rotate. The two rotating shafts drive a plurality of fan blades to rotate respectively, accelerating the air flow and cooling the two plate-shaped laser crystals; S6: At the same time, start the water pump. The water pump transports the cooling medium in the water tank to the cooling pipe through the first delivery pipe and the second delivery pipe to cool the two plate-shaped laser crystals. At the same time, the cooling medium is returned to the water tank through the collection pipe for convenient recycling and reduction of resource waste; S7: At the same time, the first transmission shaft drives the fifth sprocket to rotate. The fifth sprocket drives the sixth sprocket to rotate through the third chain. The sixth sprocket drives the third transmission shaft to rotate. The third transmission shaft drives the fifth bevel gear to rotate. The fifth bevel gear drives the sixth bevel gear to rotate. The sixth bevel gear drives the worm to rotate. The worm drives the worm wheel to rotate. The worm wheel drives the rotating shaft to rotate, which can reduce the rotating speed of the rotating shaft. The rotating shaft drives a plurality of stirring rollers to rotate to stir and mix the cooling medium in the water tank, facilitating the rapid refrigeration of the cooling medium in the water tank and improving the cooling efficiency; S8: Finally, the two bonded plate-shaped laser crystals can be put into the plasma cleaner again to clean the plate-shaped laser crystals.

[0016] In summary, the present application includes at least one of the following beneficial technical effects: 1. It can drive a plurality of fan blades to rotate respectively through the two rotating shafts, accelerate the air flow, and cool the two plate-shaped laser crystals. The water pump transports the cooling medium in the water tank to the cooling pipe through the first delivery pipe and the second delivery pipe to cool the two plate-shaped laser crystals. At the same time, the cooling medium is returned to the water tank through the collection pipe for convenient recycling and reduction of resource waste; 2. It can clean and activate the bonding surface of the plate-shaped laser crystal through the plasma cleaner, improving the activity and bonding ability of the surface of the plate-shaped laser crystal. Description of the Drawings

[0017] Figure 1 It is a front view structural schematic diagram of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 2 It is a side view structural schematic diagram of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 3 It is a rear view structural schematic diagram of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 4 It is a rear view and side view structural schematic diagram of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 5 It is a front view structural schematic diagram of the outer cavity of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 6 It is a sectional view structural schematic diagram of the outer cavity of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 7 It is a side view sectional view structural schematic diagram of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 8 It is a front view sectional view structural schematic diagram of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 9 It is a structural schematic diagram of the water tank of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 10 It is a sectional view structural schematic diagram of the water tank of a thermal bonding device for a plate-shaped laser crystal in Embodiment 1 of the present application; Figure 11 It is Figure 1 an enlarged schematic diagram of part A; Figure 12 It is Figure 1 an enlarged schematic diagram of part B; Figure 13 It is Figure 3 an enlarged schematic diagram of part C; Figure 14 It is Figure 7 an enlarged schematic diagram of part D; Figure 15 It is Figure 8 an enlarged schematic diagram of part E.

[0018] Reference numerals: 1, bottom plate; 2, boss; 3, fixing frame; 4, workbench; 5, first buffer spring; 6, small ball stud; 7, heat insulation plate; 8, first heater; 9, fixing plate; 10, first fixing column; 11, second fixing column; 12, second buffer spring; 13, fixing table; 14, second heater; 15, outer cavity; 16, support plate; 17, second through hole; 18, third through hole; 19, ventilation opening; 20, lead screw; 21, sealing plate; 22, heat dissipation frame; 23, rotating shaft; 24, installation box; 25, second driving motor; 26, first driving motor; 27, cooling pipe; 28, water tank; 29, collection pipe; 30, water pump; 31, first conveying pipe; 32, second conveying pipe; 33, refrigerator; 34, rotating shaft; 35, first bevel gear; 36, second bevel gear; 37, first transmission shaft; 38, first support frame; 39, second transmission shaft; 40, third bevel gear; 41, fourth bevel gear; 42, first sprocket; 43, first chain; 44, second sprocket; 45, vacuum detection instrument; 46, high-pressure detection instrument; 47, vacuum machine; 48, third sprocket; 49, second chain; 50, fourth sprocket; 51, second support frame; 52, worm; 53, worm gear; 54, third support frame; 55, third transmission shaft; 56, fifth bevel gear; 57, sixth bevel gear; 58, fifth sprocket; 59, third chain; 60, sixth sprocket; 61, plasma cleaner. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Embodiment 1

[0020] Refer to Figures 1 - 15 , a thermal bonding device for a plate-shaped laser crystal, comprising: Bottom plate 1; Four cushion blocks are provided, and the four cushion blocks are all fixedly installed at the bottom of the bottom plate 1; Boss 2 is fixedly installed on the top of the bottom plate 1, and fixing frames 3 are fixedly installed on both sides of the boss 2. The same workbench 4 is installed on the two fixing frames 3, and a groove is opened at the top of the workbench 4; The outer cavity 15 is fixedly installed on the top of the bottom plate 1. Ventilation openings 19 are formed on both corresponding sides of the outer cavity 15. A first through hole and two second through holes 17 are respectively formed on the other two sides of the outer cavity 15. Two third through holes 18 are formed on the top of the outer cavity 15. A vacuum detection instrument 45 and a high-voltage detection instrument 46 are respectively and fixedly installed in the two third through holes 18. A push rod motor is fixedly installed on the inner wall of the top of the outer cavity 15. The vacuum detection instrument 45 and the high-voltage detection instrument 46 adopt the patent document disclosed with the publication number of CN101332974B; The water tank 28 is fixedly installed on one side of the outer cavity 15. A fourth through hole is formed on one side of the water tank 28; The plasma cleaner 61 is fixedly installed on the top of the bottom plate 1. The plasma cleaner 61 adopts the patent document disclosed with the publication number of CN216606460U; The sealing assembly is fixedly installed on both sides of the outer cavity 15; The heat dissipation assembly is fixedly installed on the two ventilation openings 19; The cooling assembly is fixedly installed in the groove; The stirring assembly is rotatably installed in the third through hole 18.

[0021] Specifically, four counterbores are formed on the top of the boss 2. First buffer springs 5 are fixedly installed on the bottom inner walls of the four counterbores. Ball head studs 6 are installed at one ends of the four first buffer springs 5. The same heat insulation plate 7 is installed on the four ball head studs 6. A first heater 8 is fixedly installed on the top of the heat insulation plate 7. Fixing plates 9 are installed on one side of the two fixing frames 3.

[0022] Specifically, first fixing columns 10 are fixedly installed on the two fixing plates 9. Chutes are formed at one ends of the two first fixing columns 10. Second fixing columns 11 are slidably installed in the two chutes. Second buffer springs 12 are fixedly installed on the bottom inner walls of the two chutes. One ends of the two second buffer springs 12 are fixedly connected to the two second fixing columns 11 respectively. The same fixing table 13 is fixedly installed at one ends of the two second fixing columns 11. A second heater 14 is fixedly installed on the bottom of the fixing table 13. The output shaft of the push rod motor is fixedly connected to the fixing table 13.

[0023] Specifically, the sealing assembly includes two support plates 16, and the two support plates 16 are respectively fixedly installed on both sides of the outer cavity 15. Lead screws 20 are rotatably installed on both support plates 16, and sealing plates 21 are threadedly connected to both lead screws 20. The two sealing plates 21 are respectively slidably installed on the two ventilation openings 19, and a first sprocket 42 is fixedly installed on one of the two lead screws 20. The first sprocket 42 meshes with a first chain 43, and the first chain 43 meshes with a second sprocket 44. The second sprocket 44 is fixedly installed on the other one of the two lead screws 20.

[0024] Specifically, the heat dissipation assembly includes two heat dissipation frames 22, and the two heat dissipation frames 22 are respectively fixedly installed on the two ventilation openings 19. A first driving motor 26 is fixedly installed on one of the two heat dissipation frames 22, and the output shaft of the first driving motor 26 is fixedly connected to one of the two lead screws 20. Fifth through holes are formed on both heat dissipation frames 22, and rotating shafts 23 are rotatably installed in the two fifth through holes. A plurality of fan blades are fixedly installed on both rotating shafts 23, and an installation box 24 is fixedly installed on one of the two heat dissipation frames 22. A second driving motor 25 is fixedly installed on the inner wall of the installation box 24, and the output shaft of the second driving motor 25 is fixedly connected to one of the two rotating shafts 23.

[0025] Specifically, the cooling assembly includes a cooling pipe 27, and the cooling pipe 27 is fixedly installed in the groove. The water inlet and the water outlet of the cooling pipe 27 are respectively fixedly installed in the two second through holes 17. A collection port is formed at the top of the water tank 28, and the collection port and the water outlet are fixedly installed with the same collection pipe 29. A discharge hole is formed on one side of the water tank 28, a water pump 30 is fixedly installed on one side of the water tank 28, and the input end of the water pump 30 and the discharge hole are fixedly installed with the same first delivery pipe 31. The output end of the water pump 30 and the water inlet are fixedly installed with the same second delivery pipe 32, and a refrigerator 33 is fixedly installed on the bottom inner wall of the water tank 28.

[0026] Specifically, the stirring assembly includes a rotating shaft 34, and the rotating shaft 34 is rotatably installed in the third through hole 18. A plurality of stirring rollers are fixedly installed on the rotating shaft 34. A vacuum machine 47 is fixedly installed on the other side of the outer cavity 15. A connecting pipe is fixedly installed on the vacuum machine 47, and one end of the connecting pipe is fixedly connected to the first through hole. A first bevel gear 35 is fixedly installed on the output shaft of the second driving motor 25, and the first bevel gear 35 meshes with a second bevel gear 36. A first transmission shaft 37 is fixedly installed on the second bevel gear 36, and the first transmission shaft 37 is rotatably installed on the installation box 24. The vacuum machine 47 adopts the patent document disclosed in the publication number CN101332974B.

[0027] Specifically, a first support frame 38 is fixedly installed on another heat dissipation rack 22 among the two heat dissipation racks 22, a second transmission shaft 39 is rotatably installed on the first support frame 38, a third bevel gear 40 is fixedly installed at one end of the second transmission shaft 39, the third bevel gear 40 meshes with a fourth bevel gear 41, the fourth bevel gear 41 is fixedly installed on another rotating shaft 23 among the two rotating shafts 23, a third sprocket 48 is fixedly installed on the first transmission shaft 37, the third sprocket 48 meshes with a second chain 49, the second chain 49 meshes with a fourth sprocket 50, and the fourth sprocket 50 is fixedly installed on the second transmission shaft 39.

[0028] Specifically, a second support frame 51 and a third support frame 54 are fixedly installed on one side of the water tank 28, a worm 52 is rotatably installed on the second support frame 51, the worm 52 meshes with a worm gear 53, the worm gear 53 is fixedly installed on the rotating shaft 34, a third transmission shaft 55 is rotatably installed on the third support frame 54, a fifth bevel gear 56 is fixedly installed at one end of the third transmission shaft 55, the fifth bevel gear 56 meshes with a sixth bevel gear 57, the sixth bevel gear 57 is fixedly installed on the worm 52, a fifth sprocket 58 is fixedly installed on the first transmission shaft 37, the fifth sprocket 58 meshes with a third chain 59, the third chain 59 meshes with a sixth sprocket 60, and the sixth sprocket 60 is fixedly installed on the third transmission shaft 55.

[0029] This embodiment also proposes a thermal bonding method for a thermal bonding device of a plate-shaped laser crystal, including the following steps: S1: During use, first place the plate-shaped laser crystal into the plasma cleaner 61, and clean and activate the bonding surface of the plate-shaped laser crystal through the plasma cleaner 61 to improve the activity and bonding ability of the surface of the plate-shaped laser crystal. S2: Then place the processed plate-shaped laser crystal on the workbench 4. At this time, start the push rod motor. The push rod motor drives the fixed platform 13 to move, the fixed platform 13 drives the second heater 14 to move, and at the same time the fixed platform 13 drives the two second fixing columns 11 to move synchronously. The two second fixing columns 11 respectively drive the workbench 4 to move by squeezing the two second buffer springs 12. The workbench 4 drives the heat insulation plate 7 to move, and the heat insulation plate 7 drives the four ball head studs 6 to squeeze the four first buffer springs 5 respectively, so that the first heater 8, the second heater 14 and the workbench 4 are evenly pressed together, realizing the uniform close fitting between the two plate-shaped laser crystals. S3: At this time, start the vacuum machine 47. The vacuum machine 47 forms a vacuum in the outer cavity 15 through the connecting pipe, and monitors the outer cavity 15 through the vacuum detection instrument 45 and the high-voltage detection instrument 46. When the required environment is reached in the outer cavity 15, turn off the vacuum machine 47. S4: At this time, start the first heater 8 and the second heater 14, and perform thermal bonding on the two plate-shaped laser crystals at a set temperature through the first heater 8 and the second heater 14. After the thermal bonding is completed, turn off the first heater 8 and the second heater 14; S5: Start the cooler 33 to cool the cooling medium in the water tank 28 through the cooler 33. At the same time, start the first driving motor 26. The first driving motor 26 drives one of the two lead screws 20 to rotate. One of the two lead screws 20 drives the first sprocket 42 to rotate. The first sprocket 42 drives the second sprocket 44 to rotate through the first chain 43. The second sprocket 44 drives the other of the two lead screws 20 to rotate. The two lead screws 20 respectively drive the two sealing plates 21 to move. The two sealing plates 21 respectively open the two ventilation openings 19. At the same time, start the second driving motor 25. The second driving motor 25 drives one of the two rotating shafts 23 to rotate. The second driving motor 25 drives the first bevel gear 35 to rotate. The first bevel gear 35 drives the second bevel gear 36 to rotate. The second bevel gear 36 drives the first transmission shaft 37 to rotate. The first transmission shaft 37 drives the third sprocket 48 to rotate. The third sprocket 48 drives the fourth sprocket 50 to rotate through the second chain 49. The fourth sprocket 50 drives the second transmission shaft 39 to rotate. The second transmission shaft 39 drives the third bevel gear 40 to rotate. The third bevel gear 40 drives the fourth bevel gear 41 to rotate. The fourth bevel gear 41 drives the other of the two rotating shafts 23 to rotate. The two rotating shafts 23 respectively drive a plurality of fan blades to rotate, accelerating the air flow to cool the two plate-shaped laser crystals; S6: At the same time, start the water pump 30. The water pump 30 transports the cooling medium in the water tank 28 into the cooling pipe 27 through the first delivery pipe 31 and the second delivery pipe 32 to cool the two plate-shaped laser crystals. At the same time, the cooling medium is returned to the water tank 28 through the collection pipe 29 for convenient recycling and reduction of resource waste; S7: At the same time, the first transmission shaft 37 drives the fifth sprocket 58 to rotate. The fifth sprocket 58 drives the sixth sprocket 60 to rotate through the third chain 59. The sixth sprocket 60 drives the third transmission shaft 55 to rotate. The third transmission shaft 55 drives the fifth bevel gear 56 to rotate. The fifth bevel gear 56 drives the sixth bevel gear 57 to rotate. The sixth bevel gear 57 drives the worm 52 to rotate. The worm 52 drives the worm gear 53 to rotate. The worm gear 53 drives the rotating shaft 34 to rotate, which can reduce the rotation speed of the rotating shaft 34. The rotating shaft 34 drives a plurality of stirring rollers to rotate to stir and mix the cooling medium in the water tank 28, facilitating the rapid refrigeration of the cooling medium in the water tank 28 and improving the cooling efficiency; S8: Finally, the two bonded plate-shaped laser crystals can be put into the plasma cleaner 61 again to clean the plate-shaped laser crystals. Embodiment 2

[0030] The difference between this embodiment and the first embodiment is as follows: Two electric telescopic rods are fixedly installed on the workbench 4, and two moving blocks are installed at the top of the workbench 4. The output shafts of the two electric telescopic rods are respectively fixedly connected to the two moving blocks. By starting the two electric telescopic rods, the two electric telescopic rods respectively drive the two moving blocks to move relatively, which is convenient for clamping and fixing the two plate-shaped laser crystals, avoiding the shaking of the two plate-shaped laser crystals and affecting the work quality. Embodiment Three

[0031] The difference between this embodiment and the first embodiment is as follows: Fans are fixedly installed on the top of the heat insulation plate 7 and the bottom of the fixed table 13. By starting the two fans, the heat generated by the first heater 8 and the second heater 14 can be evenly distributed in the outer cavity 15 to ensure that the same heat can be obtained in each area, achieving the effect of uniform heating and further improving the work efficiency.

[0032] The above are all the preferred embodiments of this application. The protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A thermal bonding device for a plate-shaped laser crystal, characterized in that: include: Bottom plate (1); There are four cushion blocks, and the four cushion blocks are all fixedly mounted on the bottom of the base plate (1); The boss (2) is fixedly mounted on the top of the bottom plate (1), and fixing frames (3) are fixedly mounted on both sides of the boss (2), and the same workbench (4) is mounted on the two fixing frames (3), and a groove is formed on the top of the workbench (4); An outer cavity (15) is fixedly mounted on the top of the bottom plate (1), and ventilation holes (19) are provided on two corresponding sides of the outer cavity (15), a first through hole and two second through holes (17) are respectively provided on the other two sides of the outer cavity (15), and two third through holes (18) are provided on the top of the outer cavity (15), a vacuum detection instrument (45) and a high-pressure detection instrument (46) are respectively fixedly mounted in the two third through holes (18), and a push rod motor is fixedly mounted on the inner wall of the top of the outer cavity (15); A water tank (28) is fixedly mounted on one side of the outer cavity (15), and a fourth through hole is formed on one side of the water tank (28); A plasma cleaning machine (61) is fixedly mounted on the top of the base plate (1); A sealing assembly fixedly mounted on both sides of the outer cavity (15); A heat dissipation component, fixedly mounted on the two vents (19); A cooling assembly is fixedly installed in the groove; The stirring assembly is rotatably mounted in the third through hole (18).

2. The thermal bonding device for a plate-shaped laser crystal according to claim 1, characterized in that: Four countersunk holes are formed on the top of the boss (2), and first buffer springs (5) are fixedly mounted on the inner walls of the bottoms of the four countersunk holes. Ball head columns (6) are mounted on one end of the four first buffer springs (5), and the same heat insulation board (7) is mounted on the four ball head columns (6). A first heater (8) is fixedly mounted on the top of the heat insulation board (7), and a fixing plate (9) is mounted on one side of the two fixing frames (3).

3. The thermal bonding device for a plate-shaped laser crystal according to claim 2, characterized in that: A first fixed column (10) is fixedly mounted on the two fixed plates (9), and a slide groove is provided at one end of the two first fixed columns (10), a second fixed column (11) is slidably mounted in the two slide grooves, and a second buffer spring (12) is fixedly mounted on the bottom inner wall of the two slide grooves, one end of the two second buffer springs (12) is respectively fixedly connected to the two second fixed columns (11), and a same fixed platform (13) is fixedly mounted on one end of the two second fixed columns (11), a second heater (14) is fixedly mounted on the bottom of the fixed platform (13), and the output shaft of the push rod motor is fixedly connected to the fixed platform (13).

4. The thermal bonding device for a plate-shaped laser crystal according to claim 3, characterized in that: The sealing assembly comprises two support plates (16), and the two support plates (16) are respectively fixedly mounted on two sides of the outer cavity (15), the two support plates (16) are rotatably mounted with screw rods (20), and the two screw rods (20) are respectively threadedly connected with sealing plates (21), the two sealing plates (21) are respectively slidably mounted on the two vents (19), and a first sprocket (42) is fixedly mounted on one of the two screw rods (20), the first sprocket (42) is meshed with a first chain (43), and the first chain (43) is meshed with a second sprocket (44), and the second sprocket (44) is fixedly mounted on the other of the two screw rods (20).

5. The thermal bonding device for a plate-shaped laser crystal according to claim 4, characterized in that: The heat dissipation assembly comprises two heat dissipation frames (22), and the two heat dissipation frames (22) are respectively fixedly mounted on the two vents (19); a first drive motor (26) is fixedly mounted on one of the two heat dissipation frames (22), and an output shaft of the first drive motor (26) is fixedly connected to one of the two screw rods (20); a fifth through hole is provided on each of the two heat dissipation frames (22), and a rotating shaft (23) is rotatably mounted in each of the two fifth through holes; a plurality of fan blades are fixedly mounted on each of the two rotating shafts (23); a mounting box (24) is fixedly mounted on one of the two heat dissipation frames (22), a second drive motor (25) is fixedly mounted on an inner wall of the mounting box (24), and an output shaft of the second drive motor (25) is fixedly connected to one of the two rotating shafts (23).

6. The thermal bonding device for a plate-shaped laser crystal according to claim 5, characterized in that: The cooling assembly comprises a cooling pipe (27), and the cooling pipe (27) is fixedly installed in the groove, the water inlet and the water outlet of the cooling pipe (27) are respectively fixedly installed in the two second through holes (17), and a collecting port is provided at the top of the water tank (28), the collecting port and the water outlet are fixedly installed with the same collecting pipe (29), and a discharge hole is provided on one side of the water tank (28), a water pump (30) is fixedly installed on one side of the water tank (28), and the input end of the water pump (30) and the discharge hole are fixedly installed with the same first delivery pipe (31), the output end of the water pump (30) and the water inlet are fixedly installed with the same second delivery pipe (32), and a refrigerator (33) is fixedly installed on the inner wall of the bottom of the water tank (28).

7. The thermal bonding device for a plate-shaped laser crystal according to claim 6, characterized in that: The stirring assembly comprises a rotating shaft (34), and the rotating shaft (34) is rotatably mounted in the third through hole (18); a plurality of stirring rollers are fixedly mounted on the rotating shaft (34); a vacuum machine (47) is fixedly mounted on the other side of the outer cavity (15); a connecting pipe is fixedly mounted on the vacuum machine (47), and one end of the connecting pipe is fixedly connected to the first through hole; a first bevel gear (35) is fixedly mounted on the output shaft of the second drive motor (25), and the first bevel gear (35) is meshed with a second bevel gear (36); a first transmission shaft (37) is fixedly mounted on the second bevel gear (36), and the first transmission shaft (37) is rotatably mounted on the mounting box (24).

8. The thermal bonding device for a plate-shaped laser crystal according to claim 7, characterized in that: A first support frame (38) is fixedly mounted on the other of the two heat dissipation frames (22), and a second transmission shaft (39) is rotatably mounted on the first support frame (38), a third bevel gear (40) is fixedly mounted on one end of the second transmission shaft (39), and the third bevel gear (40) is meshed with a fourth bevel gear (41), the fourth bevel gear (41) is fixedly mounted on the other of the two rotating shafts (23), and a third sprocket (48) is fixedly mounted on the first transmission shaft (37), the third sprocket (48) is meshed with a second chain (49), and the second chain (49) is meshed with a fourth sprocket (50), and the fourth sprocket (50) is fixedly mounted on the second transmission shaft (39).

9. The thermal bonding device for a plate-shaped laser crystal according to claim 8, characterized in that: A second support frame (51) and a third support frame (54) are fixedly mounted on one side of the water tank (28), and a worm (52) is rotatably mounted on the second support frame (51), the worm (52) is meshed with a worm wheel (53), and the worm wheel (53) is fixedly mounted on the rotating shaft (34); a third transmission shaft (55) is rotatably mounted on the third support frame (54), and a fifth bevel gear (56) is fixedly mounted on one end of the third transmission shaft (55), the fifth bevel gear (56) is meshed with a sixth bevel gear (57), and the sixth bevel gear (57) is fixedly mounted on the worm (52); a fifth sprocket (58) is fixedly mounted on the first transmission shaft (37), the fifth sprocket (58) is meshed with a third chain (59), the third chain (59) is meshed with a sixth sprocket (60), and the sixth sprocket (60) is fixedly mounted on the third transmission shaft (55).

10. A thermal bonding method for a thermal bonding device for a plate-shaped laser crystal, wherein the thermal bonding device for a plate-shaped laser crystal is a thermal bonding device for a plate-shaped laser crystal according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: When in use, firstly, the plate-shaped laser crystal is placed in a plasma cleaning machine (61), and the plate-shaped laser crystal is cleaned and the bonding surface is activated by the plasma cleaning machine (61), thereby improving the activity and bonding ability of the surface of the plate-shaped laser crystal; S2: Then the processed plate-shaped laser crystal is placed on the workbench (4), and the push rod motor is started at this time. The push rod motor drives the fixed table (13) to move, and the fixed table (13) drives the second heater (14) to move. At the same time, the fixed table (13) drives the two second fixed columns (11) to move synchronously. The two second fixed columns (11) respectively drive the workbench (4) to move by squeezing the two second buffer springs (12). The workbench (4) drives the heat insulation board (7) to move. The heat insulation board (7) respectively drives the four ball head small columns (6) to squeeze the four first buffer springs (5) so that the first heater (8), the second heater (14) and the workbench (4) are evenly pressed together, so as to achieve even tight contact between the two plate-shaped laser crystals; S3: At this time, the vacuum machine (47) is started, and the vacuum machine (47) forms a vacuum in the outer chamber (15) through the connecting pipe, and the outer chamber (15) is monitored by the vacuum detection instrument (45) and the high-voltage detection instrument (46). When the outer chamber (15) reaches the required environment, the vacuum machine (47) is turned off; S4: At this time, the first heater (8) and the second heater (14) are started, and the two plate-shaped laser crystals are thermally bonded at a set temperature by the first heater (8) and the second heater (14). When the thermal bonding is completed, the first heater (8) and the second heater (14) are turned off; S5: Start the refrigerator (33), cool the cooling medium in the water tank (28) through the refrigerator (33), and start the first drive motor (26) at the same time. The first drive motor (26) drives one of the two screw rods (20) to rotate. One of the two screw rods (20) drives the first sprocket (42) to rotate. The first sprocket (42) drives the second sprocket (44) to rotate through the first chain (43). The second sprocket (44) drives the other of the two screw rods (20) to rotate. The two screw rods (20) respectively drive the two sealing plates (21) to move. The two sealing plates (21) respectively open the two vents (19). At the same time, start the second drive motor (25). The second drive motor (25) drives one of the two rotating shafts (23). The rotating shaft (23) rotates, the second drive motor (25) drives the first bevel gear (35) to rotate, the first bevel gear (35) drives the second bevel gear (36) to rotate, the second bevel gear (36) drives the first transmission shaft (37) to rotate, the first transmission shaft (37) drives the third sprocket (48) to rotate, the third sprocket (48) drives the fourth sprocket (50) to rotate via the second chain (49), the fourth sprocket (50) drives the second transmission shaft (39) to rotate, the second transmission shaft (39) drives the third bevel gear (40) to rotate, the third bevel gear (40) drives the fourth bevel gear (41) to rotate, the fourth bevel gear (41) drives the other of the two rotating shafts (23) to rotate, the two rotating shafts (23) respectively drive the plurality of fan blades to rotate, thereby accelerating air flow and cooling the two plate-shaped laser crystals; S6: simultaneously starting the water pump (30), the water pump (30) conveys the cooling medium in the water tank (28) to the cooling pipe (27) through the first conveying pipe (31) and the second conveying pipe (32), so as to cool the two plate-shaped laser crystals, and at the same time, the cooling medium is returned to the water tank (28) through the collecting pipe (29), so as to facilitate recycling and reduce resource waste; S7: At the same time, the first transmission shaft (37) drives the fifth sprocket (58) to rotate, the fifth sprocket (58) drives the sixth sprocket (60) to rotate through the third chain (59), the sixth sprocket (60) drives the third transmission shaft (55) to rotate, the third transmission shaft (55) drives the fifth bevel gear (56) to rotate, the fifth bevel gear (56) drives the sixth bevel gear (57) to rotate, the sixth bevel gear (57) drives the worm (52) to rotate, the worm (52) drives the worm wheel (53) to rotate, the worm wheel (53) drives the rotating shaft (34) to rotate, the rotating shaft (34) reduces the rotation speed, the rotating shaft (34) drives the plurality of stirring rollers to rotate, and the cooling medium in the water tank (28) is stirred and mixed, so that the cooling medium in the water tank (28) can be quickly cooled and the cooling efficiency can be improved; S8: Finally, the two bonded plate-shaped laser crystals are placed into the plasma cleaning machine (61) again to clean the plate-shaped laser crystals.

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