Polishing device for yttrium aluminum garnet laser crystal

By designing a yttrium aluminum garnet laser crystal grinding device with a hydraulic cylinder, a tensioning assembly, and an infrared ranging sensor, the problem of reduced grinding effect caused by loose grinding belts was solved. The tension adjustment of the grinding belt and the precise fixation of the crystal were achieved, thus improving the grinding quality.

CN223477235UActive Publication Date: 2025-10-28ANHUI BENGHE OPTOELECTRONICS TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202422859071.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-28
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

When grinding yttrium aluminum garnet laser crystals, existing devices cannot effectively tighten the grinding belt, resulting in a decrease in grinding effect and affecting the processing quality of the crystal.

Method used

A yttrium aluminum garnet laser crystal grinding device was designed, which included a hydraulic cylinder, a tensioning assembly, a rotation limit assembly and an infrared ranging sensor. The tension of the grinding belt and the precise fixation of the crystal were achieved through the cooperation of an electric push rod and an electric push rod. An infrared ranging sensor was equipped to monitor the status of the grinding belt.

Benefits of technology

This ensures that the tension of the grinding belt can be adjusted in time when it is relaxed, thereby improving the grinding effect, enhancing the fixation effect of the crystal, and ensuring the grinding quality.

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Abstract

The utility model discloses a yttrium aluminum garnet laser crystal polishing device which comprises a base, a hydraulic cylinder is installed in the base through a bolt, a tensioning assembly is installed at the output end of the hydraulic cylinder through a bolt, and a rotary limiting assembly is installed on the outer wall of one side of the base through a bolt. The tensioning assembly comprises a mounting base, rotating rods are movably mounted on the two sides of the interior of the mounting base through bearings, transmission wheels are mounted on the outer walls of the rotating rods through bolts, and a connecting plate is mounted on the outer wall of the middle of the mounting base through bolts. Through the arranged electric push rod, after the electric push rod is started, the electric push rod can drive the push seat to move, the push seat enables the grinding belt to keep proper tension under the action of the auxiliary wheel, and due to the design, it is ensured that when the grinding belt is loosened, the device can adjust the tension in time, and the situation that the crystal grinding quality is reduced due to loosening of the belt is avoided; and the state of the grinding belt can be effectively monitored.
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Description

Technical Field

[0001] This utility model relates to the field of yttrium aluminum garnet laser crystal technology, and in particular to a grinding device for yttrium aluminum garnet laser crystals. Background Technology

[0002] Yttrium aluminum garnet (YAG) laser crystal is a common laser material. It is a crystal synthesized from yttrium oxide and aluminum oxide in a certain ratio. Due to its excellent physical and chemical properties, such as high thermal conductivity, high laser damage threshold and good chemical stability, YAG crystal is widely used in solid-state lasers to generate laser output. This crystal is particularly suitable for high-power laser systems, such as laser cutting and medical surgery.

[0003] In common commercial devices, grinding belts are typically used to grind yttrium aluminum garnet (YAG) laser crystals. However, over time, the grinding belts may loosen. Existing devices cannot effectively tighten the belts, which reduces the grinding effect on the YAG laser crystals and consequently diminishes the device's practicality. Therefore, there is an urgent need to design a grinding device for YAG laser crystals to address these issues. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing equipment in the prior art, which cannot effectively tighten the grinding belt, and to propose a grinding device for yttrium aluminum garnet laser crystals.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A grinding device for yttrium aluminum garnet laser crystal includes a base, a hydraulic cylinder is bolted inside the base, a tensioning assembly is bolted to the output end of the hydraulic cylinder, and a rotation limiting assembly is bolted to one side of the outer wall of the base.

[0007] The tensioning assembly includes a mounting base. Rotary rods are movably mounted on both sides of the mounting base via bearings. A transmission wheel is bolted to the outer wall of the rotary rod. A connecting plate is bolted to the middle outer wall of the mounting base. An electric actuator is bolted to the bottom outer wall of the connecting plate. A push seat is bolted to the output end of the electric actuator. A grinding belt is sleeved on the outer wall of the transmission wheel. An auxiliary wheel is movably mounted inside the push seat via bearings. The auxiliary wheel is in contact with the grinding belt. The movement of the electric actuator drives the push seat and the auxiliary wheel to move up and down.

[0008] Preferably, the tensioning assembly further includes an infrared ranging sensor, which is bolted to one side of the bottom outer wall of the connecting plate, and a stepper motor that is connected to the rotating rod is bolted to one side of the outer wall of the mounting base.

[0009] Preferably, a side plate is bolted to one side of the outer wall of the base, and a rotation limiting component is provided on one side of the side plate.

[0010] Preferably, the rotation limiting assembly includes a motor, the output end of which is connected to a transmission rod via a coupling, and one end of the transmission rod is connected to a connecting seat via bolts.

[0011] Preferably, the connecting seat has a limiting seat that is slidably connected inside, and the limiting seat has a moving groove inside, and a sliding plate is slidably connected inside the moving groove.

[0012] Preferably, a mounting plate is bolted to one outer wall of the limiting seat, an electric push rod is bolted to one outer wall of the mounting plate, the output end of the electric push rod is bolted to the outer wall of the limiting seat, and a rubber pad is bolted to the inner wall of the limiting seat.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The electric actuator, once activated, drives the pusher to move. With the help of the auxiliary wheel, the pusher maintains appropriate tension on the grinding belt. This design ensures that the device can adjust the tension in time when the grinding belt becomes loose, preventing a decrease in the quality of crystal grinding due to belt slack. In addition, the device is equipped with an infrared ranging sensor, which can effectively monitor the condition of the grinding belt.

[0015] 2. With the electric push rod in place, once activated, it drives the limiting seat to move. During the movement of the limiting seat, the sliding plate can slide smoothly inside the limiting seat. At the same time, the limiting seat can tightly push the rubber pad to precisely limit the crystal, thereby enhancing the crystal's fixing effect. In addition, through the configuration of the motor and transmission rod, the device can effectively drive the connecting seat to rotate, allowing the operator to precisely fix the crystal as needed. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a grinding device for a yttrium aluminum garnet laser crystal proposed in this utility model;

[0017] Figure 2 This is a schematic cross-sectional view of a grinding device for yttrium aluminum garnet laser crystals proposed in this utility model.

[0018] Figure 3This is a schematic diagram of the cross-sectional structure of the connecting seat and the limiting seat of the grinding device for yttrium aluminum garnet laser crystal proposed in this utility model;

[0019] Figure 4 This is a schematic diagram of the infrared ranging sensor structure of a grinding device for a yttrium aluminum garnet laser crystal proposed in this utility model.

[0020] In the diagram: 1. Base; 2. Hydraulic cylinder; 3. Tensioning assembly; 31. Mounting seat; 32. Rotating rod; 33. Transmission wheel; 34. Connecting plate; 35. Electric actuator; 36. Push seat; 37. Infrared ranging sensor; 38. Auxiliary wheel; 39. Grinding belt; 4. Side plate; 5. Rotation limit assembly; 51. Motor; 52. Transmission rod; 53. Connecting seat; 54. Limit seat; 55. Motion groove; 56. Sliding plate; 57. Mounting plate; 58. Electric actuator; 59. Rubber pad; 6. Stepper motor. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] Please also see Figures 1 to 4A grinding device for yttrium aluminum garnet laser crystal includes a base 1, a hydraulic cylinder 2 is bolted inside the base 1, a tensioning component 3 is bolted to the output end of the hydraulic cylinder 2, and a rotation limiting component 5 is bolted to the outer wall of one side of the base 1.

[0025] The tensioning assembly 3 includes a mounting base 31. Rotary rods 32 are movably mounted on both sides of the mounting base 31 via bearings. A transmission wheel 33 is bolted to the outer wall of the rotary rod 32. A connecting plate 34 is bolted to the middle outer wall of the mounting base 31. An electric actuator 35 is bolted to the bottom outer wall of the connecting plate 34. A push seat 36 is bolted to the output end of the electric actuator 35. A grinding belt 39 is sleeved on the outer wall of the transmission wheel 33. An auxiliary wheel 38 is movably mounted inside the push seat 36 via bearings. The auxiliary wheel 38 is in contact with the grinding belt 39. The movement of the electric actuator 35 drives the push seat 36 and the auxiliary wheel 38 to move up and down. When the infrared ranging sensor 37 detects that the grinding belt 39 is loose, the infrared ranging sensor 37 uses the electrical connection of the electric actuator 35 to make the electric actuator 35 move. The electric actuator 35 drives the push seat 36 to move, and the push seat 36 can drive the auxiliary wheel 39 to move. When wheel 38 moves, auxiliary wheel 38 pushes the grinding belt 39 to tighten. This structure allows the grinding belt 39 to be tightened when it becomes slack. When hydraulic cylinder 2 is activated, hydraulic cylinder 2 drives mounting base 31 to move, so that the device can easily grind the crystal. The connection between infrared ranging sensor 37 and electric push rod 35 is a common technical field in the market, so it is not described in detail. The tensioning assembly 3 also includes infrared ranging sensor 37, which is bolted to one side of the bottom outer wall of connecting plate 34. A stepper motor 6, which is connected to rotating rod 32, is bolted to one side of the outer wall of mounting base 31. When stepper motor 6 is activated, stepper motor 6 can drive rotating rod 32 to rotate transmission wheel 33 through transmission connection with rotating rod 32. Transmission wheel 33 will drive grinding belt 39 to rotate.

[0026] See Figure 1 , Figure 2 and Figure 3 A side plate 4 is bolted to one side of the outer wall of the base 1. A rotation limiting component 5 is provided on one side of the side plate 4. The side plate 4 provides an installation position for the rotation limiting component 5 and helps to fix the crystal. The rotation limiting component 5 includes a motor 51. The output end of the motor 51 is connected to a transmission rod 52 via a coupling. One end of the transmission rod 52 is bolted to a connecting seat 53. When the motor 51 is started, the motor 51 can use the transmission connection with the transmission rod 52 to drive the connecting seat 53 to rotate. The connecting seat 53 can drive the crystal to rotate, which facilitates the operator's grinding of the crystal.

[0027] See Figure 2 and Figure 3 The connecting seat 53 has a sliding connection inside which are equidistantly arranged ring-shaped limiting seats 54. Each limiting seat 54 has a moving groove 55 inside, and a sliding plate 56 is slidably connected inside the moving groove 55. When the limiting seat 54 moves, it can limit and fix the crystal. During the movement of the limiting seat 54, it drives the moving groove 55 to move. The moving groove 55, through its sliding connection with the sliding plate 56, allows the sliding plate 56 to move within the moving groove 55. The limiting seat 54 is mounted on one outer wall by bolts. There is a mounting plate 57, and an electric push rod 58 is bolted to one outer wall of the mounting plate 57. The output end of the electric push rod 58 is fixed to the outer wall of the limiting seat 54 by bolts. A rubber pad 59 is bolted to the inner wall of the limiting seat 54. When the electric push rod 58 is started, the electric push rod 58 will use the connection between its output end and the limiting seat 54 to make the limiting seat 54 move. During the movement of the limiting seat 54, the limiting seat 54 can drive the rubber pad 59 to move. The rubber pad 59 uses its plasticity to improve the crystal limiting and fixing effect.

[0028] Using the above-described method, the electric push rod 58, once activated, drives the limiting seat 54 to move. During the movement of the limiting seat 54, the sliding plate 56 can slide smoothly inside the limiting seat 54. At the same time, the limiting seat 54 can tightly push the rubber pad 59 to precisely limit the crystal, thereby enhancing the crystal's fixing effect. In addition, through the configuration of the motor 51 and the transmission rod 52, the device can effectively drive the connecting seat 53 to rotate, allowing the operator to precisely fix the crystal as needed.

[0029] Working principle: In use, first, the crystal is inserted into the connector 53. Then, the electric push rod 58 is activated, which drives the limit seat 54 to move. During operation, the limit seat 54 drives the rubber pad 59 to move, and in doing so, it drives the internal motion groove 55 to move. The motion groove 55 slides against the sliding plate 56, allowing the sliding plate 56 to move. At this point, the user can start the motor 51 according to the crystal polishing requirements. The motor 51 drives the transmission rod 52 to rotate, which in turn drives the connector 53 to rotate. Then, the user can proceed as required. Hydraulic cylinder 2 drives mounting base 31 to move. When mounting base 31 is raised or lowered to a designated position, stepper motor 6 is started, which drives rotating rod 32 to rotate. During the rotation of rotating rod 32, rotating rod 32 drives transmission wheel 33 to rotate. Transmission wheel 33 can drive the grinding belt 39 on its outer wall to rotate. At this time, infrared distance sensor 37 will detect the distance of grinding belt 39. Infrared distance sensor 37 can transmit data to electric push rod 35 to move. Electric push rod 35 will drive push seat 36 to move. Push seat 36 will drive auxiliary wheel 38 inside to move. Auxiliary wheel 38 can fit against grinding belt 39, so that auxiliary wheel 38 can tension grinding belt 39.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A polishing device for yttrium aluminum garnet laser crystals, comprising a base (1), characterized in that, A hydraulic cylinder (2) is installed inside the base (1) by bolts. A tensioning assembly (3) is installed at the output end of the hydraulic cylinder (2) by bolts. A rotation limiting assembly (5) is installed on one side of the outer wall of the base (1) by bolts. The tensioning assembly (3) includes a mounting base (31). A rotating rod (32) is movably mounted on both sides of the inner side of the mounting base (31) via bearings. A transmission wheel (33) is bolted to the outer wall of the rotating rod (32). A connecting plate (34) is bolted to the middle outer wall of the mounting base (31). An electric actuator (35) is bolted to the bottom outer wall of the connecting plate (34). A push seat (36) is bolted to the output end of the electric actuator (35). A grinding belt (39) is sleeved on the outer wall of the transmission wheel (33). An auxiliary wheel (38) is movably mounted inside the push seat (36) via bearings. The auxiliary wheel (38) is in contact with the grinding belt (39). The movement of the electric actuator (35) drives the push seat (36) and the auxiliary wheel (38) to move up and down.

2. The grinding device for a yttrium aluminum garnet laser crystal according to claim 1, characterized in that, The tensioning assembly (3) also includes an infrared ranging sensor (37), which is bolted to one side of the bottom outer wall of the connecting plate (34). A stepper motor (6) that is connected to the rotating rod (32) is bolted to one side of the outer wall of the mounting base (31).

3. The grinding device for a yttrium aluminum garnet laser crystal according to claim 2, characterized in that, A side plate (4) is bolted to one side of the outer wall of the base (1), and a rotation limiting component (5) is provided on one side of the side plate (4).

4. The grinding device for a yttrium aluminum garnet laser crystal according to claim 1, characterized in that, The rotation limiting assembly (5) includes a motor (51), and a transmission rod (52) is mounted on the output end of the motor (51) via a coupling. A connecting seat (53) is mounted on one end of the transmission rod (52) via bolts.

5. The grinding device for a yttrium aluminum garnet laser crystal according to claim 4, characterized in that, The connecting seat (53) is slidably connected to a limiting seat (54) that is distributed in a ring structure at equal intervals. The limiting seat (54) is provided with a motion groove (55), and a sliding plate (56) is slidably connected to the inside of the motion groove (55).

6. The grinding device for a yttrium aluminum garnet laser crystal according to claim 5, characterized in that, An mounting plate (57) is bolted to one side of the outer wall of the limiting seat (54), and an electric push rod (58) is bolted to one side of the outer wall of the mounting plate (57). The output end of the electric push rod (58) is bolted to the outer wall of the limiting seat (54), and a rubber pad (59) is bolted to the inner wall of the limiting seat (54).