A crystal polishing apparatus

Abstract

The application belongs to the technical field of crystal polishing, and particularly relates to a crystal polishing device, which comprises a machining table, a supporting frame fixedly connected to the upper surface of the machining table, a lifting groove formed in the supporting frame, a lifting plate slidingly connected in the lifting groove, a motor two fixedly connected to the end of the lifting plate, a rotating shaft of the motor two penetrating through the top of the lifting plate and fixedly connected with a rotating rod, the bottom of the rotating rod being fixedly connected with a polishing disc, two limiting tables fixedly connected to the upper surface of the machining table, and a shielding assembly arranged on the upper surface of the machining table. In the process of polishing the end face of the crystal rod by the polishing disc, the shielding assembly is arranged around the upper part of the crystal rod, which is conducive to shielding the upper part of the polishing disc and conducive to avoiding the dust generated in the polishing process of the crystal rod from floating and affecting the air quality of the machining environment.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of crystal polishing, in particular to a crystal polishing device. BACKGROUND

[0002] Silicon carbide single crystal is the third generation of high-temperature wide band gap semiconductor material, silicon carbide has great hardness, excellent thermal conductivity, electrical conductivity, high temperature oxidation resistance, therefore, silicon carbide wafer is widely used in various extreme environments, compared with other materials has irreplaceable advantage.

[0003] At present, in the process of polishing and grinding the end face of the silicon carbide crystal rod, the crystal rod is generally vertically placed on the processing table and fixed, and then the end face of the crystal rod is polished by the polishing wheel to make it smooth.

[0004] However, in the process of polishing and grinding the end face of the silicon carbide crystal rod, there is no protection, so that the polishing and grinding debris splashes everywhere, dust spreads, which affects the air quality of the processing environment of the silicon carbide crystal rod and the respiratory health of the operator.

[0005] Therefore, the present application provides a crystal polishing device. SUMMARY

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0007] The technical scheme adopted by the present application to solve its technical problems is: the crystal polishing device comprises a processing table, the upper surface of the processing table is fixedly connected with a support frame, a lifting groove is formed in the support frame, a lifting plate is slidably connected in the lifting groove, a motor one is fixedly connected to the top of the support frame, a threaded rod is fixedly connected to the rotating shaft of the motor one after penetrating through the top of the support frame, the threaded rod is threadedly connected with the lifting plate, a motor two is fixedly connected to the end of the lifting plate, a rotating rod is fixedly connected to the rotating shaft of the motor two after penetrating through the top of the lifting plate, a polishing disc is fixedly connected to the bottom of the rotating rod, two limiting tables are fixedly connected to the upper surface of the processing table, the two limiting tables are located directly below the polishing disc, a fixing assembly is arranged on the side of the limiting table away from the support frame, the fixing assembly is used for fixing the crystal rod, and a shielding assembly is arranged on the upper surface of the processing table, the shielding assembly is used for shielding the crystal rod.

[0008] Preferably, the fixing assembly comprises a plate frame, the plate frame is fixedly connected to the side wall of the limiting table, a motor three is fixedly connected to the top of the plate frame, two clamping plates are symmetrically slidably connected in the plate frame, a sawtooth part is arranged on each of the two clamping plates, a gear is fixedly connected to the rotating shaft of the motor three after penetrating through the top of the plate frame, and the gear is meshed with the sawtooth parts of the two clamping plates.

[0009] Preferably, the shielding assembly comprises two fixed frames symmetrically fixedly connected to the upper surface of the machining table, a cylinder fixedly connected to each of the two fixed frames, a dust cover fixedly connected to the telescopic rod of the cylinder and penetrating through the fixed frame, a discharging mechanism arranged at the bottom of the dust cover, a cover plate mechanism arranged at the upper portion of the dust cover, and a vibrating mechanism arranged in the dust cover.

[0010] Preferably, the discharging mechanism comprises an ash outlet penetratingly arranged in the middle of the bottom surface of the dust cover, and a conveying pipe fixedly connected to the bottom of the ash outlet and made of flexible material.

[0011] Preferably, the cover plate mechanism comprises a cover plate, an elastic rod arranged at the top of the cover plate and used for maintaining the stability of the cover plate, and an air supply component arranged at the top of the cover plate and used for pumping air into the dust cover.

[0012] Preferably, the elastic rod comprises a cylindrical barrel and a cylindrical rod, the cylindrical rod is slidingly connected to the cylindrical barrel, the bottom of the cylindrical rod is fixedly connected to the top of the cover plate, the top of the cylindrical barrel is fixedly connected to the bottom of the lifting plate, the top of the cylindrical rod is fixedly connected to a spring, and the end of the spring away from the cylindrical rod is fixedly connected to the inner cavity top wall of the cylindrical barrel.

[0013] Preferably, the sidewall of the dust cover is fixedly connected to a plurality of heat dissipation strips, and the plurality of heat dissipation strips are evenly and equidistantly arranged.

[0014] Preferably, the vibrating mechanism comprises a plurality of conveying grooves one, a plurality of conveying grooves two, and a conveying ring pipe, the conveying ring pipe is fixedly connected to the top of the dust cover, the plurality of conveying grooves one and the plurality of conveying grooves two are annularly and evenly and equidistantly arranged on the dust cover, the bottom of each of the plurality of conveying grooves one is in communication with the bottom of the corresponding conveying groove two, the top of each of the plurality of conveying grooves two is in communication with the conveying ring pipe through the sidewall of the dust cover, each of the plurality of conveying grooves one is fixedly connected to a plurality of cylindrical shafts, each of the plurality of cylindrical shafts is rotatably connected to a leaf plate, and the end of each of the leaf plates away from the cylindrical shaft is fixedly connected to a knocking block through a rubber strip.

[0015] Preferably, the air supply component comprises an air pump and a circular ring pipe, the circular ring pipe is fixedly connected to the top of the cover plate, the air pump is fixedly connected to the sidewall of the lifting plate, the air outlet end of the air pump is fixedly connected to a conveying pipe, the end of the conveying pipe away from the air pump is fixedly connected to the circular ring pipe, the bottom surface of the cover plate is fixedly connected to a plurality of air outlet pipes two and a plurality of air outlet pipes one, the plurality of air outlet pipes two and the plurality of air outlet pipes one are annularly arranged, the plurality of air outlet pipes two and the plurality of air outlet pipes one are in communication with the circular ring pipe, and the number and position of the air outlet pipes two correspond to those of the conveying grooves one.

[0016] Preferably, the sidewall of the air outlet pipe one is fixedly and obliquely connected to an air outlet pipe three.

[0017] The present application has the following advantages:

[0018] The crystal polishing equipment has the shielding assembly which is arranged on the upper portion of the crystal rod and is used for shielding the upper portion of the polishing disc, so that the dust generated during the polishing process of the crystal rod is prevented from floating and affecting the air quality of the processing environment.

[0019] The crystal polishing equipment has the air supply part, and during the process that the air pump pumps air into the conveying pipe, part of the air enters the conveying groove one through the air outlet pipe two, flows in the conveying groove one, drives the leaf plate to rotate, makes the knocking block knock the dust cover, makes the dust cover vibrate, and is beneficial to promoting the dust on the inner wall of the dust cover to fall to the bottom of the dust cover. BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in combination with the drawings.

[0021] Figure 1 is a schematic diagram of the application;

[0022] Figure 2 is a schematic diagram of the air pump installation of the application;

[0023] Figure 3 is a schematic diagram of the processing table structure of the application;

[0024] Figure 4 is a schematic diagram of the clamping plate structure of the application;

[0025] Figure 5 is a schematic diagram of the dust cover local mechanism of the application; Figure 1 ;

[0026] Figure 6 is a schematic diagram of the dust cover local mechanism of the application; Figure 2 ;

[0027] Figure 7 is a schematic diagram of the cover plate structure of the application;

[0028] Figure 8 is a schematic diagram of the cylindrical barrel of the application.

[0029] In the figure: 1, processing platform; 2, limiting platform; 3, support frame; 4, lifting groove; 5, lifting plate; 6, motor one; 7, threaded rod; 8, motor two; 9, rotating rod; 10, polishing disc; 11, plate frame; 12, clamping plate; 13, gear; 14, motor three; 15, fixed frame; 16, air cylinder; 17, dust cover; 18, ash outlet; 19, conveying pipe; 20, cover plate; 21, cylindrical cylinder; 22, cylindrical rod; 23, spring; 24, air outlet pipe one; 25, air outlet pipe two; 26, air outlet pipe three; 27, air pump; 28, conveying pipe; 29, circular ring pipe; 30, conveying groove one; 31, conveying groove two; 32, conveying ring pipe; 33, heat dissipation strip; 34, cylindrical shaft; 35, page plate; 36, knocking block; 37, crystal rod. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0031] In conjunction with Figure 1 and Figure 2 It is shown that the crystal polishing equipment described in the embodiments of the present application comprises a processing platform 1, the upper surface of the processing platform 1 is fixedly connected with a support frame 3, the support frame 3 is provided with a lifting groove 4, the lifting groove 4 is slidably connected with a lifting plate 5, the top of the support frame 3 is fixedly connected with a motor one 6, the rotating shaft of the motor one 6 penetrates through the top of the support frame 3 and is then fixedly connected with a threaded rod 7, the threaded rod 7 is threadedly connected with the lifting plate 5, the end of the lifting plate 5 is fixedly connected with a motor two 8, the rotating shaft of the motor two 8 penetrates through the top of the lifting plate 5 and is then fixedly connected with a rotating rod 9, the bottom of the rotating rod 9 is fixedly connected with a polishing disc 10, the upper surface of the processing platform 1 is fixedly connected with two limiting platforms 2, the two limiting platforms 2 are located directly below the polishing disc 10, the side of the limiting platform 2 away from the support frame 3 is provided with a fixing assembly, the fixing assembly is used for fixing the crystal rod 37, the upper surface of the processing platform 1 is provided with a shielding assembly, the shielding assembly is used for surrounding the crystal rod 37; when working, the crystal rod 37 is placed between the limiting platforms 2 during polishing the end face of the crystal rod 37, then the fixing assembly is started to fix the crystal rod 37, which is conducive to improving the stability of the crystal rod 37 during polishing, then the shielding assembly is started to surround the upper part of the crystal rod 37, then the motor one 6 and the motor two 8 are started, the motor one 6 controls the lifting plate 5 to descend through the threaded rod 7, thereby driving the polishing disc 10 to descend, the motor two 8 drives the polishing disc 10 to rotate through the rotating rod 9, the shielding assembly is conducive to surrounding the upper part of the polishing disc 10 during polishing the end face of the crystal rod 37 by the polishing disc 10, which is conducive to avoiding the dust generated during polishing the crystal rod 37 from floating, thereby affecting the air quality of the processing environment.

[0032] In conjunction with Figure 3 andFigure 4 As shown, the fixing assembly comprises a plate frame 11 fixedly connected to the side wall of the limiting table 2, the top of the plate frame 11 is fixedly connected with a motor three 14, the inside of the plate frame 11 is symmetrically and slidingly connected with two clamping plates 12, the two clamping plates 12 are provided with sawtooth portions, the rotating shaft of the motor three 14 penetrates through the top of the plate frame 11 and is fixedly connected with a gear 13, and the gear 13 is meshed with the sawtooth portions of the two clamping plates 12; in work, after the crystal bar 37 is vertically inserted between the two limiting tables 2, the motor three 14 is started, the rotating shaft of the motor three 14 drives the gear 13 to rotate, the gear 13 drives the two clamping plates 12 to approach each other, so that the two clamping plates 12 clamp and fix the crystal bar 37, which is beneficial to improve the stability of the crystal bar 37 in the polishing process.

[0033] In combination Figure 1 and Figure 3 As shown, the shielding assembly comprises two fixed frames 15 fixedly connected to the upper surface of the machining table 1, the two fixed frames 15 are fixedly connected with air cylinders 16, the telescopic rods of the air cylinders 16 are fixedly connected with dust covers 17 after penetrating through the fixed frames 15, the bottoms of the dust covers 17 are provided with discharge mechanisms, the upper portions of the dust covers 17 are provided with cover plate mechanisms, and the dust covers 17 are provided with vibration mechanisms; in work, after the air cylinders 16 push the dust covers 17 to surround the upper portion of the crystal bar 37, the cover plate mechanisms cooperate with the dust covers 17 to form a closed space on the upper portion of the crystal bar 37 during the process that the lifting plate 5 drives the polishing disc 10 to descend and approach the crystal bar 37, which is beneficial to avoid the diffusion and drifting of dust during the polishing process of the polishing disc 10 on the end face of the crystal bar 37, and the dust generated in the polishing process is collected and treated through the discharge mechanisms.

[0034] In combination Figure 5 and Figure 6 As shown, the discharge mechanism comprises an ash outlet 18 penetratingly provided in the middle of the bottom surface of the dust cover 17, the bottom of the ash outlet 18 is fixedly connected with a conveying pipe 19, and the conveying pipe 19 is made of flexible material; in work, during the polishing process of the crystal bar 37, the dust and debris fall on the bottom of the dust cover 17 and fall into the conveying pipe 19 through the ash outlet 18, which is beneficial to the unified collection of the dust and debris and the avoidance of the diffusion of the dust and debris.

[0035] In combination Figure 2 and Figure 7As shown, the cover plate mechanism comprises a cover plate 20, the top of the cover plate 20 is provided with an elastic rod for maintaining the stability of the cover plate 20, and the top of the cover plate 20 is also provided with an air supply member for pumping air into the dust cover 17; during the process of lowering the polishing disc 10 close to the crystal bar 37 by the lifting plate 5, after the cover plate 20 contacts the top surface of the dust cover 17, the elastic rod makes the cover plate 20 abut against the dust cover 17, which is beneficial to increase the sealing between the dust cover 17 and the cover plate 20, and during the polishing process of the crystal bar 37, the air supply member pumps air into the dust cover 17, which is beneficial to blow the dust and debris at the bottom of the dust cover 17 into the ash outlet 18, and is beneficial to promote the discharge of materials, and on the other hand, it is beneficial to cool the crystal bar 37 and the polishing disc 10.

[0036] In combination Figure 2 and Figure 8 As shown, the elastic rod comprises a cylindrical barrel 21 and a cylindrical rod 22, the cylindrical rod 22 is slidingly connected in the cylindrical barrel 21, the bottom of the cylindrical rod 22 is fixedly connected to the top of the cover plate 20, the top of the cylindrical barrel 21 is fixedly connected to the bottom of the lifting plate 5, the top of the cylindrical rod 22 is fixedly connected with a spring 23, and the end of the spring 23 away from the cylindrical rod 22 is fixedly connected to the inner cavity top wall of the cylindrical barrel 21; during the process of lowering the polishing disc 10 by the lifting plate 5 after the cover plate 20 contacts the top surface of the dust cover 17, the polishing disc 10 contacts the end surface of the crystal bar 37, and during the process of lowering the polishing disc 10 by the lifting plate 5, the cylindrical rod 22 extrudes the spring 23 upwards, and the reaction force of the spring 23 is beneficial to improve the sealing degree of the cover plate 20 and the dust cover 17.

[0037] In combination Figure 1 and Figure 2 As shown, the side wall of the dust cover 17 is fixedly connected with a plurality of heat dissipation strips 33, and the plurality of heat dissipation strips 33 are evenly and equidistantly arrayed; during the polishing process of the crystal bar 37, the heat on the crystal bar 37 is transmitted to the heat dissipation strips 33 through the dust cover 17 by the arrangement of the heat dissipation strips 33, which is beneficial to promote the rapid dissipation of heat, and thus is beneficial to the cooling of the crystal bar 37.

[0038] In combination Figure 5 and Figure 6As shown, the vibrating mechanism comprises a plurality of conveying grooves one 30, a plurality of conveying grooves two 31 and a conveying ring pipe 32, the conveying ring pipe 32 is fixedly connected to the top of the dust cover 17, the plurality of conveying grooves one 30 and the plurality of conveying grooves two 31 are evenly and equidistantly arranged on the dust cover 17 in a ring shape, the bottom of the conveying groove one 30 is communicated with the bottom of the corresponding conveying groove two 31, the top of the plurality of conveying grooves two 31 is communicated with the conveying ring pipe 32 through the side wall of the dust cover 17, a plurality of cylindrical shafts 34 are fixedly connected in the plurality of conveying grooves one 30, a leaf plate 35 is rotatably connected to the cylindrical shaft 34, a knocking block 36 is fixedly connected to the end of the leaf plate 35 away from the cylindrical shaft 34 through a rubber strip; during the process of pumping air into the dust cover 17 by the air supply part, a part of the air enters the conveying groove one 30 to blow the leaf plate 35 to rotate, so that the leaf plate 35 drives the knocking block 36 to knock the dust cover 17, the dust cover 17 vibrates, which is conducive to the dust on the inner wall of the dust cover 17 falling to the bottom of the dust cover 17 and being discharged from the ash outlet 18, the air in the conveying groove one 30 enters the conveying groove two 31 through the bottom of the conveying groove one 30, and enters the conveying ring pipe 32 from the top of the conveying groove two 31, and blows from the bottom of the conveying ring pipe 32 to the heat dissipation strip 33, which is conducive to further promoting the heat dissipation of the heat dissipation strip 33, and further conducive to further promoting the heat dissipation of the crystal rod 37.

[0039] In combination Figure 2 and Figure 8 As shown, the air supply part comprises a gas pump 27 and a circular ring pipe 29, the circular ring pipe 29 is fixedly connected to the top of the cover plate 20, the gas pump 27 is fixedly connected to the side wall of the lifting plate 5, the gas outlet end of the gas pump 27 is fixedly connected with a conveying pipe 28, the end of the conveying pipe 28 away from the gas pump 27 is fixedly connected with the circular ring pipe 29, the bottom surface of the cover plate 20 is fixedly connected with a plurality of air outlet pipes two 25 and a plurality of air outlet pipes one 24, the plurality of air outlet pipes two 25 and the plurality of air outlet pipes one 24 are arranged in a ring shape, the plurality of air outlet pipes two 25 and the plurality of air outlet pipes one 24 are communicated with the circular ring pipe 29, the air outlet pipe two 25 corresponds in number and position to the conveying groove one 30; when the cover plate 20 contacts the top surface of the dust cover 17, the air outlet pipe two 25 is inserted into the conveying groove one 30, and the air outlet pipe one 24 is placed in the dust cover 17, during the process of pumping air into the conveying pipe 28 by the gas pump 27, a part of the air enters the conveying groove one 30 through the air outlet pipe two 25, the air flows in the conveying groove one 30 to drive the leaf plate 35 to rotate, so that the knocking block 36 knocks the dust cover 17, the dust cover 17 vibrates, which is conducive to promoting the dust on the inner wall of the dust cover 17 to fall to the bottom of the dust cover 17, the other part of the air blows into the dust cover 17 through the air outlet pipe one 24, on the one hand, the polishing disc 10 and the crystal rod 37 are cooled, on the other hand, the dust in the dust cover 17 is discharged after entering the ash outlet 18.

[0040] In combination Figure 1 and Figure 2As shown, the side wall of the air outlet pipe one 24 is fixedly connected with the air outlet pipe three 26. During work, the air outlet pipe three 26 is beneficial to air blowing on the upper surface of the polishing disc 10, and is beneficial to avoiding dust remaining on the upper surface of the polishing disc 10.

[0041] Working principle:

[0042] During polishing of the end surface of the crystal rod 37, the crystal rod 37 is placed between the limiting tables 2, the motor three 14 is started, the rotating shaft of the motor three 14 drives the gear 13 to rotate, the gear 13 drives the two clamping plates 12 to move close to each other, so that the two clamping plates 12 clamp and fix the crystal rod 37, which is beneficial to improving the stability of the crystal rod 37 during polishing.

[0043] After the crystal rod 37 is fixed, the air cylinder 16 pushes the dust cover 17 to surround the upper part of the crystal rod 37, the lifting plate 5 drives the polishing disc 10 to descend and approach the crystal rod 37, after the cover plate 20 contacts the top surface of the dust cover 17, the cover plate 20 cooperates with the dust cover 17 to form a closed space on the upper part of the crystal rod 37

[0044] After the cover plate 20 contacts the top surface of the dust cover 17, the air outlet pipe two 25 is inserted into the conveying groove one 30, and the air outlet pipe one 24 is placed in the dust cover 17,

[0045] During polishing of the end surface of the crystal rod 37 by the polishing disc 10, during pumping of air into the conveying pipe 28 by the air pump 27, part of the air enters the conveying groove one 30 through the air outlet pipe two 25, the air flows in the conveying groove one 30, drives the leaf plate 35 to rotate, so that the knocking block 36 knocks the dust cover 17, so that the dust cover 17 vibrates, which is beneficial to promoting the dust on the inner wall of the dust cover 17 to fall to the bottom of the dust cover 17, and the other part of the air blows into the dust cover 17 through the air outlet pipe one 24, which on the one hand cools the polishing disc 10 and the crystal rod 37, and on the other hand promotes the dust in the dust cover 17 to be discharged after entering the dust outlet 18.

[0046] The air in the conveying groove one 30 enters the conveying groove two 31 through the bottom of the conveying groove one 30, and enters the conveying ring pipe 32 from the top of the conveying groove two 31, and blows from the bottom of the conveying ring pipe 32 to the heat dissipation strip 33, which is beneficial to further promoting heat dissipation of the heat dissipation strip 33, and further promoting heat dissipation of the crystal rod 37.

[0047] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A crystalline polishing apparatus, characterized by: The utility model provides a polishing device for crystal rod, including processing platform (1), the upper surface of processing platform (1) is fixedly connected with support frame (3), is seted up in support frame (3) on the upper surface of processing platform (1) and is fixedly connected with lifting plate (5) in lifting groove (4) of setting up, the top of support frame (3) is fixedly connected with motor one (6), the rotating shaft of motor one (6) is fixedly connected with threaded rod (7) after the top of support frame (3) is penetrated, threaded rod (7) is fixedly connected with lifting plate (5) with screw thread, the end of lifting plate (5) is fixedly connected with motor two (8), the rotating shaft of motor two (8) is fixedly connected with rotating rod (9) after the top of lifting plate (5) is penetrated, the bottom of rotating rod (9) is fixedly connected with polishing disc (10), the upper surface of processing platform (1) is fixedly connected with two limit platform (2), two limit platform (2) are located the just below of polishing disc (10), and the side of limit platform (2) away from support frame (3) is provided with fixed subassembly, and fixed subassembly is used for fixing crystal rod (37), and the upper surface of processing platform (1) is provided with shielding subassembly, and shielding subassembly is used for surrounding the barrier of crystal rod (37); The shielding subassembly includes two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), the upper surface of processing platform (1) is fixedly connected with two fixed frames (15), ​ ​ ​ The air supply component includes an air pump (27) and a circular pipe (29). The circular pipe (29) is fixedly connected to the top of the cover plate (20). The air pump (27) is fixedly connected to the side wall of the lifting plate (5). The air outlet end of the air pump (27) is fixedly connected to a conveying pipe (28). The end of the conveying pipe (28) away from the air pump (27) is fixedly connected to the circular pipe (29). The bottom surface of the cover plate (20) is fixedly connected to multiple second air outlet pipes (25) and multiple first air outlet pipes (24). The multiple second air outlet pipes (25) and multiple first air outlet pipes (24) are arranged in a circular array. The multiple second air outlet pipes (25) and multiple first air outlet pipes (24) are connected to the circular pipe (29). The number and position of the second air outlet pipes (25) correspond to the first conveying trough (30).

2. The crystal polishing apparatus of claim 1, wherein: The fixing assembly includes a plate frame (11), which is fixedly connected to the side wall of the limiting platform (2). A motor three (14) is fixedly connected to the top of the plate frame (11). Two clamping plates (12) are symmetrically slidably connected inside the plate frame (11). Both clamping plates (12) are provided with serrated parts. The rotating shaft of the motor three (14) passes through the top of the plate frame (11) and is fixedly connected to a gear (13). The gear (13) meshes with the serrated parts of the two clamping plates (12).

3. A crystal polishing apparatus as claimed in claim 2, wherein: The elastic rod includes a cylindrical tube (21) and a cylindrical rod (22). The cylindrical rod (22) is slidably connected inside the cylindrical tube (21). The bottom of the cylindrical rod (22) is fixedly connected to the top of the cover plate (20). The top of the cylindrical tube (21) is fixedly connected to the bottom of the lifting plate (5). A spring (23) is fixedly connected to the top of the cylindrical rod (22). The end of the spring (23) away from the cylindrical rod (22) is fixedly connected to the top wall of the inner cavity of the cylindrical tube (21).

4. The crystal polishing apparatus of claim 3, wherein: The side wall of the dust cover (17) is fixedly connected with multiple heat dissipation strips (33), which are evenly and equidistantly arranged.

5. The crystal polishing apparatus of claim 4, wherein: An air outlet pipe three (26) is fixedly and obliquely connected to the side wall of the air outlet pipe one (24).

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