Supporting structure for plane grinding of quartz optical window

Abstract

The utility model discloses a quartz optical window plane grinding supporting structure, and particularly relates to the technical field of supporting structures, the quartz optical window plane grinding supporting structure comprises a supporting bottom plate, a supporting plate is arranged at the top of the supporting bottom plate, a horizontal adjusting mechanism is arranged between the supporting bottom plate and the supporting plate, and one end of the top of the supporting plate is fixedly connected with a limiting frame. The combined supporting mode of the rubber column and the suction cup is firstly adopted, flexible supporting of the rubber column can disperse pressure and absorb vibration, the influence of stress concentration and vibration on a window is avoided, vacuum adsorption of the suction cup provides strong and stable adsorption force, it is ensured that the window cannot move in the grinding process, and the suction cup and the suction cup are matched with each other; stable and reliable support is provided for the quartz optical window, the stability in the machining process is remarkably improved, the rejection rate is reduced, the edge position of the placed window can be limited through the arranged limiting frame, the window is prevented from greatly moving in the grinding process, and the using effect is improved.

Description

A support structure for planar grinding of a quartz optical window Technical Field

[0001] This utility model relates to the field of support structure technology, and more specifically, to a support structure for planar grinding of a quartz optical window. Background Technology

[0002] Quartz optical windows are transparent windows made of high-purity quartz glass, mainly used to protect optical instruments, improve imaging quality, and meet the needs of special environments. They are mostly made of high-purity quartz (silicon dioxide) or fused silica, and have high transparency, low dispersion, non-birefringence, high temperature resistance (up to 2000℃ and above), and corrosion resistance. They also have a low coefficient of thermal expansion, which can reduce thermal stress. They are widely used in scientific research experiments, industrial equipment, medical equipment, and precision optical instruments. In the flat grinding process of quartz optical windows, the performance of the supporting structure directly affects the processing accuracy and product quality.

[0003] Traditional support structures for planar grinding of quartz optical windows sometimes employ rigid supports, such as metal clamps directly holding the quartz optical window. This method generates localized stress on the surface of the quartz optical window. Because quartz is brittle and hard, stress concentration can easily lead to defects such as cracks and breakage on the window surface, seriously affecting the product qualification rate. On the other hand, the single vacuum suction cup adsorption method has stringent requirements for the flatness of the window surface. Once there are tiny impurities or unevenness on the surface, the seal will not be tight, resulting in a sharp drop in adsorption force. The window is prone to displacement during grinding, and it is difficult to achieve uniform adsorption. Uneven local stress on the window causes processing errors and seriously affects the grinding accuracy. Therefore, a support structure for planar grinding of quartz optical windows is proposed. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a support structure for planar grinding of quartz optical windows to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a support structure for planar grinding of a quartz optical window, comprising a support base plate, a support plate on top of the support base plate, and a horizontal adjustment mechanism between the support base plate and the support plate. This mechanism allows for easy adjustment of the position of the support plate. A limiting frame is fixedly connected to one end of the top of the support plate for initial positioning of the quartz optical window, preventing significant displacement during grinding. A second through hole is provided in the middle of the support base plate, and multiple rubber pillars and suction cups are provided on the top of the support base plate. The rubber pillars are made of highly elastic rubber material, providing cushioning and shock absorption. During grinding, the rubber pillars absorb vibrations generated by the grinding equipment, reducing the impact of vibrations on the quartz optical window and avoiding processing errors caused by vibrations. Meanwhile, the rubber pillars can also provide flexible support for the quartz optical window, disperse the pressure on the window, and prevent stress concentration. The rubber pillars provide basic flexible support, while the suction cups provide stable adsorption force, achieving dual fixation of the quartz optical window and ensuring that the window will not shift or shake during the grinding process, thus improving processing stability.

[0006] The bottom of the suction cup is fixedly connected to a spring and a connecting hose. The spring provides the suction cup with a certain elastic floating space, which can better adapt to the slight undulations of the quartz optical window surface and ensure that the suction cup fits tightly against the window surface. A connecting pipe is provided in the middle of the support base plate, and an air inlet is provided on one side of the support base plate. An external vacuum device is connected through the air inlet. When the vacuum device is turned on, air is drawn out through the connecting hose and the connecting pipe, creating a negative pressure inside the suction cup, which then adheres to the surface of the quartz optical window. A first through hole is opened on the surface of the support base plate, and mounting ears are symmetrically fixedly connected around the perimeter of the support base plate. The mounting ears facilitate the installation and fixation of the support base plate on the grinding equipment. The second through hole and the first through hole base plate cooperate to provide space for the flow of grinding fluid.

[0007] Preferably, the second through hole, the rubber column, and the suction cup are misaligned, and the top wall of the rubber column and the top wall of the suction cup are on the same horizontal plane, so that the grinding fluid can flow through the second through hole.

[0008] Preferably, the spring is fixed to the top of the support plate, the inner cavity of the connecting hose is connected to the inner cavity of the connecting pipe, the inner cavity of the connecting pipe is connected to the air inlet, and the air inlet is connected to an external vacuum device. When the vacuum device is turned on, air is drawn out through the connecting hose and the connecting pipe, so that a negative pressure is formed inside the suction cup, thereby adsorbing onto the surface of the quartz optical window.

[0009] Preferably, the rubber columns and suction cups are arranged in an array on the top of the support plate, with each row of rubber columns and support plate spaced apart. During the grinding process, the rubber columns can absorb the vibration generated by the grinding equipment, reduce the impact of vibration on the quartz optical window, and avoid processing errors caused by vibration.

[0010] Preferably, the horizontal adjustment mechanism includes a first limiting slide groove and a second limiting slide groove formed on the top of the support base plate, and a first limiting slider and a second limiting slider are fixedly connected to the bottom of the support plate. The first limiting slider is disposed in the middle of the first limiting slide groove and is adapted to the first limiting slide groove.

[0011] Preferably, the second limiting slider is disposed in the middle of the second limiting groove, and a threaded rod is disposed in the middle of the second limiting groove. One end of the threaded rod extends to one side of the support base plate and is fixedly connected to a turntable. The threaded rod passes through the middle of the second limiting slider and is threadedly connected to the second limiting slider. When the turntable is rotated, the threaded rod rotates accordingly. Due to the principle of threaded transmission, the second limiting slider will move along the axial direction of the threaded rod within the second limiting groove, thereby driving the support plate to make fine adjustments in the horizontal direction. Through the cooperation of the first limiting slider and the second limiting slider, the precise horizontal adjustment of the support plate can be achieved, ensuring that the support plate is in a horizontal state, providing a stable support foundation for the planar grinding of the quartz optical window.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] 1. This utility model firstly utilizes the combined support of rubber columns and suction cups, fully leveraging the advantages of both. The flexible support of the rubber columns disperses pressure and absorbs vibration, preventing stress concentration and the impact of vibration on the window; the vacuum adsorption of the suction cups provides strong and stable adsorption force, ensuring that the window will not shift during the grinding process. The two work together to provide stable and reliable support for the quartz optical window, significantly improving the stability of the processing, reducing the scrap rate, and the included limiting frame can limit the position of the placed window edge, preventing significant displacement of the window during grinding and improving the overall performance.

[0014] 2. This utility model also features a horizontal adjustment mechanism that allows the threaded rod to slide inside the second limiting groove by rotating the turntable, thereby controlling the movement of the support plate on top of the support base plate. This facilitates adjustment of the placement position. Furthermore, the spring-supported suction cup provides cushioning, allowing for fine-tuning of the suction cup angle when the window surface is uneven. This enhances the adhesion strength between the suction cup and the window, improves the adsorption and fixation effect, and makes the product more convenient to use.

[0015] In summary, through the interaction of the above-mentioned multiple functions, a stable and reliable support can be provided for the quartz optical window, and the placement position can be limited and fixed to prevent the window from shifting significantly during the grinding process, thereby improving the performance. Attached Figure Description

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

[0017] Figure 2 is a schematic diagram of the disassembled structure of this utility model.

[0018] Figure 3 is a partially enlarged structural schematic diagram of point A in Figure 2 of this utility model.

[0019] Figure 4 is a schematic diagram of the cross-sectional structure of this utility model.

[0020] Figure 5 is a schematic diagram of the cross-sectional structure of the support base plate of this utility model.

[0021] The attached diagram is labeled as follows: 1. Support base plate; 2. First limiting slide groove; 3. Second limiting slide groove; 4. First through hole; 5. Threaded rod; 6. Turntable; 7. Support plate; 8. Limiting frame; 9. Rubber column; 10. Suction cup; 11. Spring; 12. Connecting hose; 13. Second through hole; 14. First limiting slider; 15. Second limiting slider; 16. Air inlet; 17. Connecting pipe; 18. Mounting ear plate. Detailed Implementation

[0022] 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.

[0023] As shown in Figures 1-5, a support structure for planar grinding of a quartz optical window includes a support base plate 1, a support plate 7 on top of the support base plate 1, and a horizontal adjustment mechanism between the support base plate 1 and the support plate 7. This mechanism allows for easy adjustment of the position of the support plate 7. A limiting frame 8 is fixedly connected to one end of the top of the support plate 7 for initial positioning of the quartz optical window, preventing significant displacement during grinding. A second through hole 13 is provided in the middle of the support base plate 1, and multiple rubber pillars 9 and suction cups 10 are provided on the top of the support base plate 1. The rubber pillars 9 are made of highly elastic rubber material, providing cushioning and shock absorption. During grinding, the rubber pillars 9 absorb vibrations generated by the grinding equipment, reducing the impact of vibrations on the quartz optical window and avoiding processing errors caused by vibrations. Meanwhile, the rubber column 9 can also provide flexible support for the quartz optical window, disperse the pressure on the window, and prevent stress concentration. The rubber column 9 provides basic flexible support, and the suction cup 10 provides stable adsorption force, achieving double fixation of the quartz optical window, ensuring that the window will not shift or shake during the grinding process, and improving processing stability.

[0024] A spring 11 and a connecting hose 12 are fixedly connected to the bottom of the suction cup 10. The spring 11 provides the suction cup 10 with a certain elastic floating space, which can better adapt to the slight undulations of the quartz optical window surface and ensure that the suction cup 10 fits tightly against the window surface. A connecting pipe 17 is provided in the middle of the support base plate 1, and an air inlet 16 is provided on one side of the support base plate 1. An external vacuum device is connected through the air inlet 16. When the vacuum device is turned on, air is drawn out through the connecting hose 12 and the connecting pipe 17, which creates a negative pressure inside the suction cup 10, thereby adsorbing it onto the surface of the quartz optical window. A first through hole 4 is opened on the surface of the support base plate 1, and mounting ears 18 are symmetrically fixedly connected around the support base plate 1. The mounting ears 18 facilitate the installation and fixation of the support base plate 1 on the grinding equipment. The second through hole 13 and the first through hole 4 cooperate with the base plate to provide space for the flow of grinding fluid.

[0025] As shown in Figures 1-4, the second through hole 13, rubber column 9, and suction cup 10 are staggered. The top wall of rubber column 9 and the top wall of suction cup 10 are on the same horizontal plane. Spring 11 is fixed to the top of support plate 7. The inner cavity of connecting hose 12 is connected to the inner cavity of connecting pipe 17. The inner cavity of connecting pipe 17 is connected to air inlet 16. Rubber column 9 and suction cup 10 are arranged in an array on the top of support plate 7. Each row of rubber column 9 and support plate 7 are spaced apart. The second through hole 13 facilitates the flow of polishing fluid. The air inlet 16 connects to an external vacuum device. When the vacuum device is turned on, air is drawn out through connecting hose 12 and connecting pipe 17, so that negative pressure is formed inside suction cup 10, thereby adsorbing onto the surface of quartz optical window. During the polishing process, rubber column 9 can absorb the vibration generated by polishing equipment, reduce the impact of vibration on quartz optical window, and avoid processing errors caused by vibration.

[0026] As shown in Figures 1-5, the horizontal adjustment mechanism includes a first limiting groove 2 and a second limiting groove 3 opened on the top of the support base plate 1. The bottom of the support plate 7 is fixedly connected to a first limiting slider 14 and a second limiting slider 15. The first limiting slider 14 is located in the middle of the first limiting groove 2 and is adapted to the first limiting groove 2. The second limiting slider 15 is located in the middle of the second limiting groove 3. A threaded rod 5 is provided in the middle of the second limiting groove 3. One end of the threaded rod 5 extends to one side of the support base plate 1 and is fixedly connected to a turntable 6. The threaded rod 5 passes through the middle of the second limiting slider 15 and is threadedly connected to the second limiting slider 15. When the turntable 6 is rotated, the threaded rod 5 rotates accordingly. Due to the principle of threaded transmission, the second limiting slider 15 will move in the second limiting groove 3 along the axial direction of the threaded rod 5, thereby driving the support plate 7 to make fine adjustments in the horizontal direction. By cooperating with the first limiting slider 14 and the second limiting slider 15, the support plate 7 can be precisely adjusted horizontally to ensure that the support plate 7 is in a horizontal state, providing a stable support foundation for the planar grinding of the quartz optical window.

[0027] The working principle of this utility model is as follows: When in use, the support base plate 1 is fixedly installed on the worktable of the grinding equipment through the mounting ear plate 18 to ensure that the installation is firm. Then, the turntable 6 can be rotated to control the support plate 7 to move on the support base plate 1, thereby adjusting the position of the support plate 7 at the bottom of the grinding mechanism.

[0028] Place the quartz optical window on the support plate 7, ensuring one side aligns with the limiting frame 8 to complete the initial positioning. Turn on the external vacuum equipment and extract the air from the suction cup 10 through the air inlet 16, causing the suction cup 10 to adhere to the surface of the quartz optical window. At the same time, the rubber pillar 9 provides flexible support for the window, ensuring that the window is stably fixed on the support plate 7.

[0029] During the grinding process, the rubber column 9 absorbs the vibration generated by the grinding equipment, reducing the impact of vibration on the window; the suction cup 10 maintains a stable suction force through the buffer of the spring 11 and the connecting hose 12, preventing the window from shifting; the grinding liquid flows smoothly and is discharged through the first through hole 4 on the support base plate 1 and the second through hole 13 on the support plate 7, avoiding the accumulation of grinding liquid and affecting the processing quality.

[0030] After the grinding process is completed, turn off the external vacuum equipment to remove the suction force of the suction cup 10. Carefully remove the quartz optical window from the support plate 7 to complete the disassembly of the workpiece.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A support structure for planar grinding of a quartz optical window, comprising a support base plate (1), characterized in that: The top of the support base plate (1) is provided with a support plate (7), and a horizontal adjustment mechanism is provided between the support base plate (1) and the support plate (7). A limit frame (8) is fixedly connected to one end of the top of the support plate (7). A second through hole (13) is opened in the middle of the support base plate (1). Multiple rubber columns (9) and suction cups (10) are provided on the top of the support base plate (1). A spring (11) and a connecting hose (12) are fixedly connected to the bottom of the suction cup (10). A connecting pipe (17) is provided in the middle of the support base plate (1). An air inlet (16) is provided on one side of the support base plate (1). A first through hole (4) is opened on the surface of the support base plate (1). Mounting ear plates (18) are symmetrically fixedly connected around the support base plate (1).

2. The support structure for planar grinding of a quartz optical window according to claim 1, characterized in that: The second through hole (13), the rubber column (9), and the suction cup (10) are misaligned with each other, and the top wall of the rubber column (9) and the top wall of the suction cup (10) are on the same horizontal plane.

3. The support structure for planar grinding of a quartz optical window according to claim 1, characterized in that: The spring (11) is fixed to the top of the support plate (7), the inner cavity of the connecting hose (12) is connected to the inner cavity of the connecting pipe (17), and the inner cavity of the connecting pipe (17) is connected to the air inlet (16).

4. The support structure for planar grinding of a quartz optical window according to claim 1, characterized in that: The rubber columns (9) and suction cups (10) are arranged in an array on the top of the support plate (7), with each row of rubber columns (9) and support plate (7) spaced apart.

5. The support structure for planar grinding of a quartz optical window according to claim 1, characterized in that: The horizontal adjustment mechanism includes a first limiting groove (2) and a second limiting groove (3) opened on the top of the support base plate (1). The bottom of the support plate (7) is fixedly connected to a first limiting slider (14) and a second limiting slider (15). The first limiting slider (14) is located in the middle of the first limiting groove (2) and is adapted to the first limiting groove (2).

6. The support structure for planar grinding of a quartz optical window according to claim 5, characterized in that: The second limiting slider (15) is located in the middle of the second limiting groove (3). A threaded rod (5) is provided in the middle of the second limiting groove (3). One end of the threaded rod (5) extends to one side of the support base plate (1) and is fixedly connected to a turntable (6). The threaded rod (5) passes through the middle of the second limiting slider (15) and is threadedly connected to the second limiting slider (15).

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