Plane polishing machine for optical mold production

Abstract

The invention discloses a plane polishing machine for optical mold production, and belongs to the technical field of optical mold polishing, the plane polishing machine comprises a supporting table, a follow-up dust collection mechanism and an adjusting assembly, the upper surface of the supporting table is provided with a placing plate, the rear end of the upper surface of the supporting table is fixedly connected with a supporting plate, and the supporting plate is provided with a limiting groove; a lead screw is connected into the limiting groove through a bearing. By adjusting the inclination angle of a connecting ring and adjusting an adjustable air valve, the degree that a grinding disc is adsorbed to the surface of a mold can be adjusted, then a connecting cover and a mounting frame can move relatively, the grinding disc can apply certain downward pressure to the surface of the mold, and the situation that in the prior art, the whole polishing structure needs to be pressed to the surface of the mold is avoided; according to the polishing structure, the damage degree of parts of the polishing structure can be reduced, so that the service life of a polishing die is prolonged, in addition, fine chippings generated by polishing can be automatically absorbed in the polishing process through the follow-up dust collection mechanism, and the polishing efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of mold polishing, in particular to a plane polishing machine for producing optical molds. Background Art

[0002] The surface polishing of molds was mainly done manually at first. Craftsmen used simple tools such as sandpaper and oilstone for polishing. In the early stage of industrial development, the precision requirements for mold manufacturing were relatively low, and manual polishing could meet the basic surface flatness and finish requirements. With the large-scale development of the manufacturing industry, the demand for molds has increased dramatically, and the requirements for mold quality and production efficiency have also become higher. Mechanical polishing technology has emerged. Mechanical polishing equipment can polish the mold surface at a relatively stable speed and pressure. The existing plane polishing machine for optical mold production still has the following technical problems when in use, such as: 1. When using the existing plane polishing machine for optical mold production, it is not convenient to clean the fine debris generated by polishing, which easily leads to the problem of over-polishing or under-polishing. In order to solve this problem, the general method is to keep the polishing mechanism away from the mold and continue polishing after cleaning the fine debris. This method will reduce the efficiency of polishing and is not conducive to improving production efficiency; 2. When using the existing flat polishing machine for optical mold production, a certain downward pressure needs to be applied to ensure the normal progress of the polishing operation. The conventional method is to make the entire polishing machine close to the mold, so as to achieve the downward pressure of the polishing structure on the mold. However, this method is easy to cause damage to local parts of the polishing structure, which is not conducive to improving the service life of the polishing structure; Therefore, a plane polishing machine for optical mold production is needed to solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide a plane polishing machine for optical mold production, so as to solve the problem mentioned in the above background technology that the existing polishing machine for mold production is not convenient for improving the polishing efficiency and is not conducive to improving the service life of the polishing structure.

[0004] To achieve the above object, the present invention provides the following technical solutions: A plane polishing machine for optical mold production comprises a support table, a follow-up dust suction mechanism and an adjustment component, wherein a placement plate is provided on the upper surface of the support table, and the rear end of the upper surface of the support table is fixedly connected to the support plate, a limiting groove is provided on the support plate, and a bearing in the limiting groove is connected to a screw rod, the upper end bearing of the screw rod passes through the top of the support plate and is connected to a servo motor 1, and the servo motor 1 is fixedly installed on the upper surface of the support plate, one end of the motor frame is threadedly connected to the screw rod, and a servo motor 2 is installed on the other end of the motor frame, the shaft end of the servo motor 2 is connected to the inner side of a connecting cover through a connecting frame, and the lower end of the connecting cover is slidably connected to a mounting frame, a grinding disc is provided on the lower surface of the mounting frame, and a follow-up dust suction mechanism is provided inside the mounting frame, and an adjustment component is provided on the follow-up dust suction mechanism.

[0005] Preferably, a limiting tube is arranged at equal angles on the inner surface of the installation frame, and the upper end of the limiting tube is movably extended into the limiting rod, a spring is arranged on the outer side of the limiting rod, and the two ends of the spring are respectively connected to the lower surface of the connecting cover and the upper end of the limiting tube, and a process hole is opened on the connecting cover.

[0006] Preferably, the follow-up dust suction mechanism includes an air bin, a dust suction main pipe, a dust suction hole, an exhaust hole, a connecting pipe, a support ring frame, a connecting pipe, a connecting plate, a vent pipe, a piston pipe, an annular through hole, a piston rod, a top plate, a support ring, a connecting ring, a connecting ring pipe, an air inlet pipe, an adjustable air valve, a limit plate, a water tank and an exhaust pipe. The air bin is arranged in the installation frame, and its lower end passes through the dust suction hole and the exhaust hole to the outside of the installation frame. The upper end bearing seal of the air bin is connected with the connecting plate, and the connecting plate is provided with a dust suction main pipe passing through the air bin. The upper end of the dust suction main pipe is coaxially fixedly connected with the top plate, the lower surface bearing seal of the connecting plate is connected with the support ring frame, and the lower end of the support ring frame passes through the upper end of the connecting pipe, and the lower end of the connecting pipe is through-connected with the exhaust hole. The inner surface of the installation frame is connected with the support ring through an adjusting component, and the upper surface bearing of the support ring is connected with the connecting ring. The upper surface is connected with the lower end of the piston rod through a universal ball shaft, and the upper end of the piston rod is seamlessly slidably connected to the inner side of the lower end of the piston tube, the piston tube is connected with the dust suction main pipe through a ventilation pipe, an annular through hole is provided on the side of the lower surface of the top plate, and each piston tube is connected with the annular through hole through a pipe, the connecting plate is provided with a connecting pipe that passes through the supporting ring frame, and the upper end of the connecting pipe is connected to the connecting ring pipe, the connecting ring pipe is connected with the lower end of the intake pipe, and the upper end of the intake pipe passes through to the top of the top plate, the upper end of the intake pipe is sealed and connected with an adjustable air valve, and the adjustable air valve is installed in the upper middle position of the water tank, the water tank is fixedly connected to the upper surface of the top plate by magnetic attraction, and the upper surface of the top plate limits the water tank by a limiting plate, the upper end of the exhaust pipe is connected to the lower middle position of the water tank, and the lower end of the exhaust pipe is connected to the annular through hole.

[0007] Preferably, the structure formed by the piston tube, ventilation tube, piston rod and universal ball shaft is distributed at equal angles on the upper surface of the connecting ring, and the connecting ring is arranged inclined to the horizontal plane. The connecting ring rotates with the mounting frame to achieve uninterrupted air suction in the dust suction main pipe, thereby facilitating uninterrupted dust suction.

[0008] Preferably, the portion where the pipeline and the piston tube are connected and the portion where the ventilation pipe and the piston tube are connected are respectively installed with a one-way exhaust valve and a one-way intake valve, so that the pipeline only exhausts air to the annular through hole and the ventilation pipe only exhausts air to the piston tube.

[0009] Preferably, the upper surface of the water tank is provided with a filter screen which penetrates the interior thereof, and the upper surface of the water tank is also provided with a water injection hole. The filter screen can reduce the air pressure in the water tank to avoid excessive air pressure in the water tank, and can also prevent dust from entering the water tank.

[0010] Preferably, the adjustment assembly includes a shaft rod, an adjustment rod and a support block, the two support blocks are supported on the inner surface of the mounting frame, and the two support blocks are both connected with shaft rods through bearings, the two support blocks are connected to the support ring through the two shaft rods, and the shaft rods are fixedly connected to the support ring, and the two shaft rods are set at equal angles with respect to the axis of the support ring, one end of the adjustment rod is connected to one of the two shaft rods, and the other end of the adjustment rod is threaded through the mounting frame.

[0011] Preferably, the adjusting rod is composed of two rod structures, namely rod a and rod b, wherein rod a thread passes through the mounting frame, the outer side of rod b and the inner side of one of the two shaft rods are connected by mutually matching twist threads, and rod a and rod b are connected by coaxial bearings, and the outer side of the connecting end of rod b and rod a is connected to the inner side of the mounting frame by a telescopic structure composed of a rod and a tube, so that rod a rotates and rod b moves synchronously with it, and rod b is limited to rotate with rod a by the telescopic structure, so that rod b moves and drives one of the two shaft rods to rotate, and the thread self-locking is used to achieve the purpose of rod a limiting the rotation angle of one of the two shaft rods.

[0012] Preferably, the maximum relative movement distance between the connection cover and the installation frame is smaller than the distance between the adjustment rod and the upper end of the installation frame.

[0013] Preferably, the process holes are arranged in one-to-one correspondence with the water tanks, and the structural shape of the process holes is larger than the structural shape of the water tanks, and the lower middle part of the water tank is connected to the upper end of the exhaust pipe by plugging.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the plane polishing machine for optical mold production can adjust the degree of adsorption of the grinding disc on the mold surface by adjusting the inclination angle of the connecting ring and the adjustable air valve, and then the connecting cover and the mounting frame can move relatively, so that the grinding disc can apply a certain downward pressure on the mold surface, avoiding the need to press the entire polishing structure against the mold surface in the past, and can reduce the degree of damage to the polishing structure parts to increase the service life of the polishing mold. In addition, the follow-up dust suction mechanism can realize the automatic absorption of fine debris generated by polishing during the polishing process, which helps to improve the efficiency of polishing: 1. The rotation angle of the shaft can be adjusted by rotating the adjustment rod, thereby changing the rotation angle of the support ring to achieve the purpose of changing the inclination angle of the connecting ring. By changing the inclination angle of the connecting ring, the amount of gas absorbed from the dust suction hole per unit time can be changed, and by adjusting the amount of gas flowing through the adjustable air valve per unit time, the amount of gas discharged from the exhaust hole per unit time can be changed, thereby changing the difference between the gas discharged from the exhaust hole and the gas absorbed by the dust suction hole per unit time. When the content of gas absorbed by the dust suction hole is greater than the content of gas discharged from the exhaust hole, and when the grinding disc rotates, the content of gas flowing into the dust suction hole and the space below the exhaust hole per unit time from the outside is limited, so that the dust suction hole and the space below the exhaust hole can be in a negative pressure state, so that the grinding disc can be adsorbed on the mold surface with a certain downward pressure, and the polishing operation can be ensured without pressing the entire polishing structure to the mold surface, which is beneficial to improving the service life of the polishing structure; 2. During the rotation of the support ring, the connecting ring will swing, and then the structure formed by the piston tube and the piston rod can generate suction in the dust suction hole, thereby absorbing the fine debris generated during the polishing process, avoiding insufficient or excessive polishing caused by the fine debris. In addition, the absorbed fine debris will enter the water tank and be absorbed by the water in the water tank, thereby preventing the fine debris from falling into other unpolished positions of the mold to avoid affecting the subsequent polishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 This is a schematic diagram of the main structure of the connection between the servo motor 2 and the mounting frame of the present invention; Figure 3 This is a bottom view of the structure of the connection between the servo motor 2 and the mounting frame of the present invention; Figure 4 This is a cross-sectional structural diagram of the connection between the servo motor 2 and the mounting frame of the present invention; Figure 5 It is a schematic diagram of the longitudinal section structure of the connection between the servo motor 2 and the mounting frame of the present invention; Figure 6 For the present invention Figure 5A schematic diagram of the enlarged structure of point A; Figure 7 For the present invention Figure 5 A schematic diagram of the enlarged structure of point B in the middle; Figure 8 This is a schematic diagram of the connection structure between the mounting frame and the support ring of the present invention; Fig. 9 It is a schematic diagram of the top view of the structure of the adjusting rod of the present invention.

[0016] In the figure: 1. Support table; 2. Placement plate; 3. Support plate; 4. Limiting groove; 5. Screw rod; 6. Servo motor 1; 7. Motor frame; 8. Servo motor 2; 9. Connecting frame; 10. Connecting cover; 11. Process hole; 12. Mounting frame; 13. Grinding disc; 14. Limiting pipe; 15. Limiting rod; 16. Spring; 17. Air chamber; 18. Dust suction pipe; 19. Dust suction hole; 20. Exhaust hole; 21 , connecting pipe; 22, supporting ring frame; 23, connecting pipe; 24, connecting plate; 25, ventilation pipe; 26, piston tube; 27, annular through hole; 28, piston rod; 29, top plate; 30, shaft rod; 31, supporting ring; 32, connecting ring; 33, adjusting rod; 34, connecting ring pipe; 35, air inlet pipe; 36, adjustable air valve; 37, limit plate; 38, water tank; 39, exhaust pipe; 40, support block. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 9 , the present invention provides the following technical solutions: Embodiment 1: In order to solve the problem that the polishing machine used in the previous mold production is not convenient for cleaning the fine debris generated by polishing, which easily leads to reduced polishing efficiency and may cause over-polishing or under-polishing, the following technical solution is provided, specifically, A plane polishing machine for optical mold production includes a support table 1, a follow-up dust suction mechanism and an adjustment component. A placement plate 2 is provided on the upper surface of the support table 1, and a support plate 3 is fixedly connected to the rear end of the upper surface of the support table 1. A limiting groove 4 is provided on the support plate 3, and a screw rod 5 is connected to a bearing in the limiting groove 4. The upper end bearing of the screw rod 5 passes through the top of the support plate 3 and is connected to a servo motor 1 6, and the servo motor 1 6 is fixedly installed on the upper surface of the support plate 3. One end of a motor frame 7 is threadedly connected to the screw rod 5, and a servo motor 2 8 is installed on the other end of the motor frame 7. The shaft end of the servo motor 2 8 is connected to the inner side of a connecting cover 10 through a connecting frame 9, and the lower end of the connecting cover 10 is slidably connected to a mounting frame 12, a grinding disc 13 is provided on the lower surface of the mounting frame 12, and a follow-up dust suction mechanism is provided inside the mounting frame 12.

[0019] A limiting tube 14 is arranged at an equal angle on the inner surface of the mounting frame 12, and the upper end of the limiting tube 14 is movably extended into the limiting rod 15, and a spring 16 is arranged on the outer side of the limiting rod 15, whose two ends are respectively connected to the lower surface of the connecting cover 10 and the upper end of the limiting tube 14, and a process hole 11 is opened on the connecting cover 10, and the follow-up dust suction mechanism includes an air bin 17, a dust suction main pipe 18, a dust suction hole 19, an exhaust hole 20, a connecting pipe 21, a support ring frame 22, a connecting pipe 23, a connecting plate 24, a vent pipe 25, a piston pipe 26, an annular through hole 27, a piston rod 28, a top plate 29, a support ring 31, a connecting ring 32, a connecting ring pipe 34, an air inlet pipe 35, an adjustable air valve 36, a limiting plate 37, a water tank 38 and an exhaust pipe 39, and the air bin 17 is arranged in the mounting frame 12, and its lower The end is connected to the outside of the mounting frame 12 through the dust suction hole 19 and the exhaust hole 20, the upper end of the air bin 17 is sealed with a connecting plate 24, and a dust suction pipe 18 that passes through the air bin 17 is arranged on the connecting plate 24, the upper end of the dust suction pipe 18 is coaxially fixedly connected with a top plate 29, the lower surface of the connecting plate 24 is sealed with a supporting ring frame 22, and the lower end of the supporting ring frame 22 is connected with the upper end of the connecting pipe 21, and the lower end of the connecting pipe 21 is connected with the exhaust hole 20, the inner surface of the mounting frame 12 is connected with the supporting ring 31 through the adjusting component, and the upper surface of the supporting ring 31 is connected with the connecting ring 32 through the bearing, the upper surface of the connecting ring 32 is connected with the lower end of the piston rod 28 through the universal ball shaft, and the upper end of the piston rod 28 is seamlessly slidably connected to On the inner side of the lower end of the piston tube 26, the piston tube 26 is connected to the dust suction main pipe 18 through the ventilation pipe 25, and an annular through hole 27 is provided on the side of the lower surface of the top plate 29, and each piston tube 26 is connected to the annular through hole 27 through a pipeline, and a connecting pipe 23 that is connected to the support ring frame 22 is provided on the connecting plate 24, and the upper end of the connecting pipe 23 is connected to the connecting ring pipe 34, and the lower end of the air intake pipe 35 is connected to the connecting ring pipe 34, and the upper end of the air intake pipe 35 passes through the top of the top plate 29, and the upper end of the air intake pipe 35 is sealed and connected with an adjustable air valve 36, and the adjustable air valve 36 is installed in the upper middle part of the water tank 38, and the water tank 38 is fixedly connected to the upper surface of the top plate 29 by magnetic attraction, and the upper surface of the top plate 29 is fixed by a limit plate 37 limits the water tank 38, the lower middle part of the water tank 38 is connected with the upper end of the exhaust pipe 39, and the lower end of the exhaust pipe 39 is connected to the annular through hole 27, and the servo motor 16 drives the screw 5 to rotate, so that the motor frame 7 drives the servo motor 28 to move along the axis of the screw 5, thereby achieving the purpose of adjusting the position of the grinding disc 13, and after the grinding disc 13 contacts the surface of the optical mold, the servo motor 28 is started, and the servo motor 28 drives the connecting cover 10 to rotate through the connecting frame 9, and under the limiting action of the limiting tube 14 and the limiting rod 15, the connecting cover 10 drives the installation frame 12 to rotate synchronously, and during the rotation of the installation frame 12, the connecting ring 32 is rotated through the adjusting component, so as to achieve the purpose of driving the piston rod 28 to move in the piston tube 26,When the piston rod 28 moves in the piston tube 26, the gas in the dust suction pipe 18 is extracted and transported to the water tank 38. In other words, the fine debris generated during the polishing process can be sucked through the dust suction hole 19, so that the fine debris enters the dust suction pipe 18 together with the gas, and then enters the water tank 38 to be absorbed by the water, thereby avoiding the problem of excessive or insufficient polishing caused by fine debris. The structure composed of the piston tube 26, the vent pipe 25, the piston rod 28 and the universal ball shaft is distributed at equal angles on the upper surface of the connecting ring 32, and the connecting ring 32 is arranged inclined to the horizontal plane. The support ring 31 rotates with the mounting frame 12, driving it The connecting ring 32 connected by the bearing swings to realize uninterrupted suction of the dust suction main pipe 18, thereby facilitating uninterrupted dust suction. The connection part between the pipeline and the piston pipe 26 and the connection part between the vent pipe 25 and the piston pipe 26 are respectively installed with a one-way exhaust valve and a one-way air intake valve, so that the pipeline can only exhaust air to the annular through hole 27, and the vent pipe 25 can only exhaust air to the piston pipe 26. The upper surface of the water tank 38 is provided with a filter screen that penetrates the interior thereof, and the upper surface of the water tank 38 is also provided with a water injection hole. The air pressure in the water tank 38 can be reduced through the filter screen to avoid excessive air pressure in the water tank 38, and dust can also be prevented from entering the water tank 38.

[0020] Embodiment 2: To solve the problem that in the past, when using an optical mold polishing machine, the entire polishing mechanism needs to be pressed against the mold, which easily causes damage to local components and thus reduces the service life, the following technical solution is provided, specifically, an adjustment component is provided on the follow-up dust collection mechanism.

[0021] The adjustment assembly includes a shaft rod 30, an adjustment rod 33 and a support block 40. The two support blocks 40 are supported on the inner surface of the mounting frame 12, and the two support blocks 40 are both connected with the shaft rod 30 through bearings. The two support blocks 40 are connected to the support ring 31 through the two shaft rods 30, and the shaft rod 30 is fixedly connected to the support ring 31, and the two shaft rods 30 are arranged at equal angles with respect to the axis of the support ring 31. One end of the adjustment rod 33 is connected to one of the two shaft rods 30, and the other end of the adjustment rod 33 is threadedly arranged through the mounting frame 12. By rotating the adjustment rod 33, it can be moved relative to the shaft rod 30, and then the shaft rod 30 can be rotated. During the rotation of the shaft 30, the path length of the piston rod 28 moving in the piston tube 26 can be adjusted, and then the rotation angle of the support ring 31 can be adjusted, thereby changing the inclination of the connecting ring 32. The adjusting rod 33 changes the inclination of the connecting ring 32, and then changes the suction volume of the piston rod 28. The adjustable air valve 36 adjusts its ventilation volume. By adjusting the two, the negative pressure between the grinding disc and the mold surface can be changed, so that the device can be relatively adsorbed on the surface of the mold. If the conventional pressing method is used to make the device close to the mold surface, the degree of downward pressure is difficult to control. Insufficient downward pressure can easily lead to insufficient polishing. Excessive downward pressure can cause the polishing to be insufficient. It is easy to cause over-polishing, and adsorption is performed through negative pressure. Since the degree of negative pressure is adjustable, it can be adjusted to an appropriate size to avoid the problem of over-polishing or under-polishing. In addition, since it belongs to the principle of negative pressure suction, the debris generated by polishing can be cleaned more thoroughly. The adjusting rod 33 is composed of two rod structures, namely rod a and rod b, wherein the thread of rod a passes through the mounting frame 12, the outer side of rod b and the inner side of one of the two shaft rods 30 are connected by mutually matching twist threads, and rod a and rod b are connected by coaxial bearings, and the outer side of the connecting end of rod b and rod a is connected to the inner side of the mounting frame 12 through a telescopic structure composed of a rod and a tube. The connection can realize the purpose of the rotation of rod a and the synchronous movement of rod b therewith, and the rod b is limited to rotate together with rod a through the telescopic structure, so that the rod b moves, driving one of the two shafts 30 to rotate, and the purpose of the rod a limiting the rotation angle of one of the two shafts 30 is achieved through the self-locking of the thread. The maximum distance of relative movement of the connecting cover 10 and the mounting frame 12 is less than the distance between the adjusting rod 33 and the upper end of the mounting frame 12, the process hole 11 is arranged in a one-to-one correspondence with the water tank 38, and the structural shape of the process hole 11 is larger than the structural shape of the water tank 38, and the lower middle part of the water tank 38 is connected to the upper end of the exhaust pipe 39 by plugging.

[0022] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plane polishing machine for optical mold production, comprising a support table (1), a follow-up dust suction mechanism and an adjustment component, characterized in that: The upper surface of the support platform (1) is provided with a placement plate (2), and the rear end of the upper surface of the support platform (1) is fixedly connected to the support plate (3), the support plate (3) is provided with a limit groove (4), and the bearing in the limit groove (4) is connected to a screw rod (5), the upper end bearing of the screw rod (5) passes through the upper part of the support plate (3) and is connected to a servo motor 1 (6), and the servo motor 1 (6) is fixedly installed on the upper surface of the support plate (3), one end of the motor frame (7) is threadedly connected to the screw rod (5), and the other end of the motor frame (7) is installed with a servo motor 2 (8), the shaft end of the servo motor 2 (8) is connected to the inner side of the connecting cover (10) through a connecting frame (9), and the lower end of the connecting cover (10) is slidably connected to a mounting frame (12), the lower surface of the mounting frame (12) is provided with a grinding disc (13), and a follow-up dust suction mechanism is provided inside the mounting frame (12), and an adjustment component is provided on the follow-up dust suction mechanism.

2. The surface polishing machine for optical mold production according to claim 1, characterized in that: The inner surface of the installation frame (12) is provided with a limit tube (14) at an equal angle, and the upper end of the limit tube (14) movably extends into the limit rod (15), and the outer side of the limit rod (15) is provided with a spring (16) whose two ends are respectively connected to the lower surface of the connection cover (10) and the upper end of the limit tube (14), and the connection cover (10) is provided with a process hole (11).

3. The surface polishing machine for optical mold production according to claim 2, characterized in that: The follow-up dust suction mechanism comprises an air bin (17), a dust suction main pipe (18), a dust suction hole (19), an exhaust hole (20), a connecting pipe (21), a support ring frame (22), a connecting pipe (23), a connecting plate (24), a vent pipe (25), a piston pipe (26), an annular through hole (27), a piston rod (28), a top plate (29), a support ring (31), a connecting ring (32), a connecting ring pipe (34), an air inlet pipe (35), an adjustable air valve (36), a limit plate (37), a water tank (38) and an exhaust pipe (39). The air bin (17) is arranged in the installation frame (12), and its lower end is connected to the dust suction hole (19) and the exhaust hole (20). The gas chamber (17) is connected to the outside of the installation frame (12); the upper end of the gas chamber (17) is sealed with a connecting plate (24) through a bearing, and a dust collecting pipe (18) is provided on the connecting plate (24) through the gas chamber (17); the upper end of the dust collecting pipe (18) is coaxially fixedly connected with a top plate (29); the lower surface of the connecting plate (24) is sealed with a supporting ring frame (22) through a bearing, and the lower end of the supporting ring frame (22) is connected through the upper end of the connecting pipe (21), and the lower end of the connecting pipe (21) is connected through the exhaust hole (20); the inner surface of the installation frame (12) is connected to the supporting ring (31) through an adjusting component, and the upper surface of the supporting ring (31) is axially The bearing is connected with a connecting ring (32), the upper surface of the connecting ring (32) is connected to the lower end of the piston rod (28) through a universal ball shaft, and the upper end of the piston rod (28) is seamlessly slidably connected to the inner side of the lower end of the piston tube (26), the piston tube (26) is connected to the dust suction main pipe (18) through a ventilation pipe (25), an annular through hole (27) is provided on the side of the lower surface of the top plate (29), and each piston tube (26) is connected to the annular through hole (27) through a pipeline, and a connecting pipe (23) is provided on the connecting plate (24) and is connected to the supporting ring frame (22), and the upper end of the connecting pipe (23) is connected to the connecting ring pipe (34), so that The connecting ring pipe (34) is connected to the lower end of the air intake pipe (35), and the upper end of the air intake pipe (35) extends to the top of the top plate (29). The upper end of the air intake pipe (35) is connected to the adjustable air valve (36) in a sealing manner, and the adjustable air valve (36) is installed at a position close to the middle of the water tank (38). The water tank (38) is fixedly connected to the upper surface of the top plate (29) by magnetic attraction, and the upper surface of the top plate (29) limits the water tank (38) by a limiting plate (37). The upper end of the exhaust pipe (39) is connected to the lower middle of the water tank (38), and the lower end of the exhaust pipe (39) is connected to the annular through hole (27).

4. The surface polishing machine for optical mold production according to claim 3, characterized in that: The structure formed by the piston tube (26), the vent tube (25), the piston rod (28) and the universal ball shaft is distributed at equal angles on the upper surface of the connecting ring (32), and the connecting ring (32) is arranged to be inclined with respect to the horizontal plane. The connecting ring (32) rotates together with the mounting frame (12), thereby achieving uninterrupted air suction by the dust suction main tube (18), thereby facilitating uninterrupted dust suction.

5. The surface polishing machine for optical mold production according to claim 4, characterized in that: A one-way exhaust valve and a one-way intake valve are respectively installed at the connection point between the pipeline and the piston tube (26) and the connection point between the ventilation pipe (25) and the piston tube (26), so that the pipeline only exhausts air to the annular through hole (27), and the ventilation pipe (25) only exhausts air to the piston tube (26).

6. The surface polishing machine for optical mold production according to claim 5, characterized in that: The upper surface of the water tank (38) is provided with a filter screen which penetrates the interior thereof, and the upper surface of the water tank (38) is also provided with a water injection hole. The filter screen can reduce the air pressure in the water tank (38), thereby preventing the air pressure in the water tank (38) from being too high, and can also prevent dust from entering the water tank (38).

7. The surface polishing machine for optical mold production according to claim 6, characterized in that: The adjustment assembly comprises a shaft rod (30), an adjustment rod (33) and a support block (40); two of the support blocks (40) are supported on the inner surface of the mounting frame (12); and the two support blocks (40) are both connected to the shaft rod (30) through a bearing; the two support blocks (40) are connected to a support ring (31) through the two shaft rods (30); the shaft rod (30) and the support ring (31) are fixedly connected; and the two shaft rods (30) are arranged at equal angles with respect to the axis of the support ring (31); one end of the adjustment rod (33) is connected to one of the two shaft rods (30); and the other end of the adjustment rod (33) is threadedly arranged to penetrate the mounting frame (12).

8. The surface polishing machine for optical mold production according to claim 7, characterized in that: The adjusting rod (33) is composed of two rod structures, namely, rod a and rod b, wherein the thread of rod a penetrates the mounting frame (12), the outer side of rod b and the inner side of one of the two shaft rods (30) are connected by mutually matching twist threads, and rod a and rod b are connected by coaxial bearings, and the outer side of the connecting end of rod b and rod a is connected to the inner side of the mounting frame (12) by a telescopic structure composed of a rod and a tube, so that the purpose of rod a rotating and rod b moving synchronously with it can be achieved, and rod b is limited to rotate with rod a by the telescopic structure, thereby achieving the purpose of rod b moving and driving one of the two shaft rods (30) to rotate, and the purpose of rod a limiting the rotation angle of one of the two shaft rods (30) is achieved by thread self-locking.

9. The surface polishing machine for optical mold production according to claim 8, characterized in that: The maximum distance of relative movement between the connection cover (10) and the mounting frame (12) is less than the distance between the adjustment rod (33) and the upper end of the mounting frame (12).

10. The surface polishing machine for optical mold production according to claim 9, characterized in that: The process holes (11) and the water tank (38) are arranged in a one-to-one correspondence, and the structural shape of the process holes (11) is larger than the structural shape of the water tank (38), and the lower middle portion of the water tank (38) is connected to the upper end of the exhaust pipe (39) by plugging.

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