CN220613401U - Special-shaped multi-curvature glass convex surface polishing equipment and flat grinder - Google Patents

Abstract

The utility model provides special-shaped multi-curvature glass convex polishing equipment and a flat grinder, which comprise a loose pulley base, a plurality of polishing platforms which are arranged on the loose pulley base and can be used for placing glass, a plurality of movable supports which are detachably arranged on the side edges of the polishing platforms, and polishing sponge used for polishing the glass; the polishing platform comprises a pair of rotary supports fixed on the traveling wheel base, a rotating shaft arranged between the pair of rotary supports and a profiling clamp rotationally connected with the rotary supports through the rotating shaft. According to the special-shaped multi-curvature glass convex polishing device, the polishing sponge can polish glass on the profiling clamp from multiple directions through the first adsorption part on the movable support and the second adsorption part on the profiling clamp. Through can dismantle the connection with the movable support on the loose pulley base to make the profiling clamp can incline different angles, further satisfy the demand of polishing sponge from the glass on the polishing profiling clamp of multiple directions.

Description

Special-shaped multi-curvature glass convex surface polishing equipment and flat grinder

Technical Field

The utility model belongs to the technical field of glass polishing, and particularly relates to special-shaped multi-curvature glass convex surface polishing equipment and a flat grinder.

Background

The glass polishing refers to the step of polishing the surface of a workpiece after finishing the fine grinding in a deeper step so that the surface of the workpiece reaches the surface finish, the surface shape degree, the parallelism and the like required by the drawing, and trace left by the fine grinding is removed in the polishing process, so that dirt, dust, finger marks, roller marks and the like are not left on the surface of the workpiece. Pig brushes are generally adopted in the existing glass polishing equipment as main consumable materials in the polishing process, and the effect of reversely polishing the surface of glass by the brushes is realized through rotation of the upper millstone, the lower millstone and the loose pulley. However, the problem of using the pig brush as a main consumable material in the polishing process is that the storage amount of the polishing liquid is obviously insufficient, so that the contact process of glass and the consumable material is close to dry polishing, the polishing process time of the glass is easy to be longer, and the polishing qualification rate is lower.

In addition, in the process of fixing a workpiece, the existing glass polishing equipment generally needs to fix the profiling clamp and the polishing loose pulley base through pins after the glass is attached to the profiling clamp, and the profiling clamp and the polishing loose pulley base are fixed through rubber bands, so that the time for manually fixing the workpiece is too long, and the direction of the direction clamp needs to be manually adjusted for many times.

Disclosure of Invention

The utility model aims to solve the defects that the existing glass polishing equipment generally adopts a pig brush as a main consumable material in the polishing process, so that the storage amount of polishing liquid is obviously insufficient, the glass polishing process is easy to take longer, the time for manually fixing a workpiece is too long, and the direction of a direction clamp is required to be manually adjusted for many times, and provides special-shaped multi-curvature glass convex polishing equipment.

The technical scheme adopted for solving the technical problems is as follows: the special-shaped multi-curvature glass convex polishing device comprises a loose pulley base, a plurality of polishing platforms which are arranged on the loose pulley base and can be used for placing glass, a plurality of movable supports which are detachably arranged on the side edges of the polishing platforms, and polishing sponge used for polishing the glass;

the polishing platform comprises a pair of rotary supports fixed on the balance wheel base, a rotating shaft arranged between the pair of rotary supports and a profiling clamp rotationally connected with the rotary supports through the rotating shaft;

the movable support is provided with a first adsorption part, two ends of the profiling clamp are provided with second adsorption parts, the first adsorption part in the movable support adsorbs the second adsorption part in the profiling clamp, and the profiling clamp drives the glass to incline and polish the glass through the polishing sponge.

Further, the profiling clamp comprises a fixed base fixedly connected with the rotating shaft and a profiling movable base arranged on the fixed base and used for fixing the glass, a first positioning structure capable of being rotationally connected with the profiling movable base is arranged on the fixed base, and the second adsorption component is arranged on the fixed base.

Further, the first positioning structure comprises a rectangular boss and a rotary positioning column, the rectangular boss is arranged at the center of the fixed base and used for positioning the profiling movable base, the rotary positioning column is arranged at the center of the rectangular boss and used for enabling the profiling movable base to rotate relative to the fixed base, and the profiling movable base surrounds the rotary positioning column to rotate and is clamped and fixed on the rectangular boss.

Further, the bottom of the profiling movable base is provided with a second positioning structure which can be used for inserting and positioning the first positioning structure.

Further, the second positioning structure comprises a rectangular groove matched with the rectangular boss of the fixed base and a positioning groove arranged at the center of the rectangular groove and used for inserting and positioning the rotary positioning column, the rotary positioning column is in clearance fit with the positioning groove, and the rectangular groove is clamped and fixed with the rectangular boss.

Further, a profiling boss matched with the glass is arranged on the profiling movable base, a limiting groove is formed in the profiling boss, and a magnetic component for adsorbing the glass is arranged in the limiting groove.

Further, the magnetic component comprises a circular ring arranged in the limiting groove, a sucker arranged at the top of the circular ring and abutted against the glass, and a third adsorption component for magnetically attracting the circular ring in the limiting groove.

Further, the polishing sponge is an elastic polishing sponge, and a plurality of regular hexagonal grooves are formed in the elastic polishing sponge.

Specifically, the diameter of the regular hexagonal groove is 50mm-70mm.

The utility model also provides a flat grinder, which comprises the special-shaped multi-curvature glass convex surface polishing device.

The special-shaped multi-curvature glass convex polishing equipment and the flat grinder provided by the utility model have the beneficial effects that: through the first adsorption component on the movable support and the second adsorption component on the profiling clamp, the profiling clamp can drive glass to incline relative to the rotary support through the rotating shaft, so that the polishing sponge can polish the glass on the profiling clamp from multiple directions.

In addition, through can dismantle the movable support and connect on the loose pulley base, can change the position of movable support wantonly to make the different angles of profile modeling anchor clamps can incline, thereby further satisfy the demand of polishing sponge from the glass on the polishing profile modeling anchor clamps of multiple directions, and effectively improve polishing sponge polishing glass's qualification rate.

Drawings

FIG. 1 is a schematic diagram of a special-shaped multi-curvature glass convex polishing device;

FIG. 2 is an exploded schematic view of a polishing platform of a special-shaped multi-curvature glass convex polishing device provided by the utility model;

FIG. 3 is a schematic rear view of a contoured mobile base of a profiled multi-curvature glass convex surface polishing apparatus provided by the present utility model;

FIG. 4 is a schematic structural view of a fixing base of a special-shaped multi-curvature glass convex polishing device provided by the utility model;

FIG. 5 is a schematic view of the structure of a movable support of a special-shaped multi-curvature glass convex polishing apparatus according to the present utility model;

FIG. 6 is an exploded view of a magnetic assembly of a special-shaped multi-curvature glass convex polishing apparatus according to the present utility model;

FIG. 7 is a schematic view of the structure of a loose pulley base of a special-shaped multi-curvature glass convex polishing device provided by the utility model;

FIG. 8 is an assembly schematic diagram of a loose pulley base and a fixed base of a special-shaped multi-curvature glass convex polishing device provided by the utility model;

FIG. 9 is a schematic view showing a polishing state of a special-shaped multi-curvature glass convex polishing device provided by the utility model;

FIG. 10 is a rear view of a polishing sponge of a shaped multi-curvature glass convex polishing apparatus provided by the present utility model;

fig. 11 is a schematic structural view of a flat grinder according to the present utility model.

In the figure: 100-special-shaped multi-curvature glass convex surface polishing equipment, 200-flat grinder,

10-a loose pulley base, 20-a polishing platform, 21-a rotary support, 22-a profiling clamp, 221-a fixed base,

2211-a first positioning structure, 2211 a-a rectangular boss, 2211 b-a rotary positioning column,

222-profiling movable base, 2221-profiling boss, 2222-limit groove,

2223-second positioning structure, 2223 a-rectangular groove, 2223 b-positioning groove, 30-movable support,

40-glass, 50-magnetic component, 51-sucker, 52-ring, 53-third adsorption component,

60-polishing sponge, 61-regular hexagonal groove, 70-first adsorption member, 71-second adsorption member,

72-a fourth adsorbent member;

210-driving motor, 220-upper plate, 230-connecting plate, 240-height limiter, 250-thick fiber cement board 250,

260-lower disc and 270-boss.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 10, a special-shaped multi-curvature glass convex polishing device 100 provided by the utility model comprises a loose pulley base 10, three polishing platforms 20 which are arranged on the loose pulley base 10 and can be used for placing glass 40, three pairs of movable supports 30 which are detachably arranged on the side edge of each polishing platform 20, and polishing sponge 60 for polishing the glass 40; the special-shaped multi-curvature glass convex polishing device 100 is assembled on a flat grinder 200, a polishing sponge 60 is fixed on an upper disc 220 of the flat grinder 200, and a cruise ship base 10 is fixed on a lower disc 260 of the flat grinder 200. When the convex polishing device 100 for glass 40 with multiple curvatures is needed to perform convex polishing, firstly, the glass 40 is placed on the polishing platform 20, and then the movable support 30 is adsorbed and fixed on one side or two side edges of the polishing platform 20, so that the polishing platform 20 is obliquely or horizontally placed on the base, and the polishing sponge 60 fixed on the upper disc 220 of the flat grinder 200 is abutted against the glass 40 obliquely arranged along with the polishing platform 20. Finally, the upper disc 220 of the flat grinder 200 drives the polishing sponge 60 to rotate and polish the glass 40, and the lower disc 260 drives the loose pulley base 10 to drive the glass 40 on the polishing platform 20 to rotate, so that the convex polishing of the glass 40 is completed. In addition, through the detachable connection of the movable support 30 on the loose pulley base 10, the position of the movable support 30 can be changed at will, so that the profiling clamp 22 can incline at different angles, thereby further meeting the requirement of the polishing sponge 60 for polishing the glass 40 on the profiling clamp 22 from multiple directions and effectively improving the fine rate of the polishing sponge 60 for polishing the glass 40.

As shown in fig. 1, the polishing platform 20 includes a pair of rotary supports 21 fixed to the balance wheel base 10, a rotation shaft 23 provided between the pair of rotary supports 21, and a profiling jig 22 rotatably connected to the rotary supports 21 through the rotation shaft 23. In the embodiment provided by the utility model, three pairs of rotary supports 21 are distributed on the polishing platform 20, and the three pairs of rotary supports 21 are fixedly connected with the balance wheel base 10 through the fourth adsorption component 72 in an adsorption manner. In addition, three rotating shafts are respectively inserted between the three pairs of rotating supports 21, and each rotating shaft is provided with a profiling clamp 22 capable of placing glass 40, so that the processing efficiency of the special-shaped multi-curvature glass convex polishing device 100 is effectively improved. The rotary support 21 can effectively limit the displacement of the profiling clamp 22 when the profiling clamp is inclined along with the rotating shaft, so that the phenomenon that the polishing effect of the convex surface of the glass 40 is affected due to the relative displacement between the profiling clamp 22 and the polishing sponge 60 when the polishing sponge 60 processes the glass 40 on the profiling clamp 22 is avoided.

As shown in fig. 1, 4 and 5, a first adsorption member 70 is provided on the movable support 30, a second adsorption member 71 is provided at both ends of the profiling clamp 22, the first adsorption member 70 in the movable support 30 adsorbs the second adsorption member 71 in the profiling clamp 22, and the profiling clamp 22 drives the glass 40 to incline and polishes the glass 40 through the polishing sponge 60. In the embodiment provided by the utility model, the first adsorption member 70, the second adsorption member 71 and the fourth adsorption member 72 are all magnets, counter sunk holes for fixedly installing the magnets are arranged in the balance wheel base 10, the profiling clamp 22 and the movable support 30, and the magnetism of the magnets in the movable support 30 is different from that of the magnets in the profiling clamp 22. Therefore, when the movable support 30 is fixed on one side edge or two side edges of the profiling clamp 22, the magnet in the movable support 30 adsorbs the magnet in the profiling clamp 22, so that the stability of the movable support 30 when supporting the profiling clamp 22 is effectively ensured, and the relative displacement between the profiling clamp 22 and the polishing sponge 60 is further avoided when the polishing sponge 60 polishes and processes the glass 40 on the profiling clamp 22. The top and the bottom of the movable support 30 are both provided with a first adsorption part 70, the two sides of the movable support 10, which are positioned on the polishing platform 20, are both provided with a fourth adsorption part 72 which is adsorbed and fixed with the movable support 30, and the magnetism of the magnet on the movable support 10 is different from that of the magnet at the bottom of the movable support 30, so that the movable support 30 can be adsorbed and fixed on the movable support 10.

As shown in fig. 2, the profiling clamp 22 includes a fixed base 221 fixedly connected to the rotating shaft 23, and a profiling movable base 222 disposed on the fixed base 221 for fixing the glass 40, the fixed base 221 is provided with a first positioning structure 2211 rotatably connected to the profiling movable base 222, and the second adsorption member 71 is disposed on the fixed base 221. The glass 40 is placed on the profiling movable base 222, so that the convex polishing operation of the glass 40 is completed under the double extrusion force of the polishing sponge 60 and the profiling boss 2221. The fixed base 221, the loose pulley base 10 and the movable support 30 are all provided with blind holes for embedding magnets, so that the stability of embedding the magnets in the fixed base 221, the loose pulley base 10 and the movable support 30 is effectively ensured.

As shown in fig. 2, the first positioning structure 2211 includes a rectangular boss 2211a disposed at the center of the fixed base 221 and used for positioning the profiling movable base 222, and a rotation positioning column 2211 disposed at the center of the rectangular boss 2211a and used for rotating the profiling movable base 222 relative to the fixed base 221, where the profiling movable base 222 rotates around the rotation positioning column 2211b and is fastened and fixed on the rectangular boss 2211 a. After the profiling clamp 22 is inclined on one side and the convex surface on one side of the glass 40 is machined by the polishing sponge 60 through the movable support 30, an operator slightly lifts the profiling movable base 222 upwards, rotates the movable support 30 around the rotary positioning column 2211b by 180 degrees, clamps and fixes the bottom of the profiling movable base 222 on the rectangular boss 2211a, so that the unprocessed surface on the other side of the glass 40 is abutted against the polishing sponge 60, and then the polishing sponge 60 is utilized to carry out convex polishing machining operation on the other side of the glass 40, so that the convex surface machining operation on two ends of the glass 40 is completed, and relative displacement is issued between the profiling movable base 222 and the fixed base 221 when the convex surfaces on two sides of the glass 40 are effectively avoided when the polishing sponge 60 is used for machining the convex surfaces on two sides of the glass 40, and the convex polishing machining precision of the glass 40 is ensured.

As shown in fig. 3, the bottom of the profiling movable base 222 is provided with a second positioning structure 2223 into which the first positioning structure 2211 of the fixed base 221 is inserted and positioned. The second positioning structure 2223 includes a rectangular groove 2223a configured at the bottom of the movable base 222 and matched with the rectangular boss 2211a, and a positioning groove 2223b configured at the center of the rectangular groove 2223a and used for inserting and positioning the rotary positioning column 2211b, where the rotary positioning column 2211b and the positioning groove 2223b are in clearance fit, and the rectangular groove 2223a is fastened and fixed with the rectangular boss 2211 a. In the process of clamping and fixedly connecting the profiling movable base 222 and the fixed base 221, through the clamping connection of the rectangular groove 2223a at the bottom of the profiling movable base 222 and the rectangular boss 2211a on the fixed base 221, the relative position between the profiling movable base 222 and the fixed base 221 can be limited while the connection stability of the profiling movable base 222 and the fixed base 221 is ensured, and the relative displacement between the profiling movable base 222 and the fixed base 221 is limited in the polishing process of the polishing sponge 60, so that the polishing precision of the polishing sponge 60 is influenced.

As shown in fig. 2, a profiling boss 2221 adapted to the glass 40 is provided on the profiling movable base 222, a limit groove 2222 is provided on the profiling boss 2221, and a magnetic component 50 for adsorbing the glass 40 is provided in the limit groove 2222. The contour of the profiling boss 2221 is matched with the contour of the glass 40, and in the polishing process, the glass 40 is placed on the profiling boss 2221 through the square, so that the bottom of the glass 40 is abutted against the magnetic component 50, the magnetic component 50 is utilized to stably adsorb the glass 40, the stability of placing the glass 40 on the profiling boss 2221 is ensured, the relative displacement generated between the polishing sponge 60 and the glass 40 under the action of friction force in the polishing process is avoided, and even the glass 40 falls off from the profiling boss 2221, so that the polishing precision of the polishing sponge 60 is influenced or the glass 40 is scrapped.

As shown in fig. 6, the magnetic attraction assembly 50 includes a circular ring 52 disposed in the limit groove 2222, a suction cup 51 disposed on the top of the circular ring 52 and abutted against the glass 40, and a pair of fourth attraction members 53 magnetically attracting the circular ring 52 in the limit groove 2222. In the embodiment provided by the utility model, the fourth adsorption component is a magnet, the magnet is arranged in the limit groove 2222, and the magnet with magnetism different from that of the magnet in the limit groove 2222 is arranged at the bottom of the circular ring 52, so that the circular ring 52 is magnetically fixed in the limit groove 2222. The glass 40 is adsorbed by the sucker 51, so that the stability of adsorption connection between the glass 40 and the profiling boss 2221 can be effectively ensured, and after polishing processing is finished, the suction force of the sucker 51 is larger than that of the magnet at the bottom of the circular ring 52, so that when an operator separates the processed glass 40 from the profiling boss 2221, the magnetic component 50 is separated from the limiting groove 2222 along with the glass 40, and the operator separates the magnetic component 50 from the glass 40 and then places the magnetic component 50 into the limiting groove 2222, thereby effectively improving the convenience of the operator for picking up the glass 40 after the processing of the glass 40 is finished.

The polishing sponge 60 is an elastic sponge, and the inside of the polishing sponge 60 is provided with regular hexagonal grooves 61, and the diameter of the regular hexagonal grooves 61 is 50mm-70mm. In the embodiment provided by the utility model, the inscribed circle diameter of the regular hexagonal groove 61 formed inside the polishing sponge 60 is 60mm, thereby effectively increasing the edge removal amount of the glass 40. And the amount of edge removal of the glass 40 can be further increased by changing the rotational direction of the upper and lower grinding disks of the flat grinder 200 during the polishing of the polishing sponge 60. By adopting the elastic polishing sponge 60 as the polishing sponge 60, the conservation amount of the grinding water in the polishing sponge 60 can be effectively improved, so that the thickness removal efficiency in the polishing and polishing process is obviously increased. And a large amount of grinding fluid can be stored in the elastic polishing sponge 60, and in the process of contacting with the glass 40, a large amount of grinding water is always arranged on the surface of the glass 40, and the elastic polishing sponge 60 is used as a carrier for storing the grinding fluid, so that physical cutting and chemical reaction between the grinding fluid and the glass 40 can be effectively accelerated, and the polishing effect of the polishing sponge 60 is further improved.

The utility model provides a special-shaped multi-curvature glass convex polishing device 100 which is assembled on a flat grinder 200, and comprises the following specific working procedures:

s1, firstly, fixing the movable support 30 on the left side edge of the profiling clamp 22, enabling the profiling clamp 22 to be obliquely arranged and fixed on the balance wheel base 10 in a left-high right-low anticlockwise mode, then placing the magnetic attraction assembly 50 in the limit groove 2222 of the profiling movable base 222, placing the glass 40 on the profiling movable base 222 to abut against the magnetic attraction assembly 50, and finally fixedly connecting the profiling movable base 222 with the fixed base 221.

And S2, adjusting the pressing amount of the polishing sponge 60.

As shown in fig. 10, the polishing sponge 60 is fixedly connected with an upper plate 220 of the flat grinder 200, and a driving motor 210 and a connecting plate 230 for connecting the upper plate 220 and the driving motor 210 in a transmission manner are arranged at the top of the upper plate 220;

the lower disc 260 of the flat grinder 200 is uniformly provided with the loose pulley base 10, the center of the lower disc 260 is provided with a boss 270, the boss 270 is provided with a height limiter 240 in threaded connection with the boss, the top of the height limiter 240 is provided with a thick fiber cement plate 250 for limiting the descending height of the connecting plate 230, and the thickness of the thick fiber cement plate is 20mm.

After the height limiter 240 and the boss 270 are adjusted to a proper position and the thick fiber cement plate 250 is placed on top of the boss 270, the driving motor 210 drives the connecting plate 230 to descend and contact with the thick fiber cement plate 250, and the polishing sponge 60 fixed on the upper plate 220 contacts with the glass 40 on the profiling clamp 22. The operator then withdraws the thick fiber cement plate 250 and the drive motor 210 continues to drive the connection plate 230 downward and against the top of the boss 270, thereby allowing a 20mm hold down between the polishing sponge 60 and the glass 40 on the profiling clamp 22.

S3, setting processing parameters for setting the rotating speed of the upper disc 220 of the flat grinder 200 for driving the polishing sponge 60 to rotate, the rotating speed of the lower disc 260 for driving the loose pulley base 10 to rotate clockwise, the rotating speed of the loose pulley base to rotate and the processing time

And S4, after finishing processing, the glass 40 is taken off from the profiling movable base 222 and cleaned. The processing of the profiled multi-curvature glass convex surface processing apparatus 100 is complete and ready for the next cycle.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The special-shaped multi-curvature glass convex polishing device is characterized by comprising a loose pulley base (10), a plurality of polishing platforms (20) which are arranged on the loose pulley base (10) and can be used for placing glass (40), a plurality of movable supports (30) which are detachably arranged on the side edges of the polishing platforms (20) and polishing sponge (60) for polishing the glass (40);

the polishing platform (20) comprises a pair of rotary supports (21) fixed on the balance wheel base (10), a rotating shaft (23) arranged between the pair of rotary supports (21) and a profiling clamp (22) rotationally connected with the rotary supports (21) through the rotating shaft (23);

the movable support (30) is provided with a first adsorption part (70), two ends of the profiling clamp (22) are provided with a second adsorption part (71), the first adsorption part (70) in the movable support (30) adsorbs the second adsorption part (71) in the profiling clamp (22), the profiling clamp (22) inclines the glass (40) through the movable support (30), and the polishing sponge (60) is abutted with the glass (40) and polishes the glass (40).

2. The special-shaped multi-curvature glass convex polishing device according to claim 1, wherein the profiling clamp (22) comprises a fixed base (221) fixedly connected with the rotating shaft (23) and a profiling movable base (222) arranged on the fixed base (221) and used for fixing the glass (40), a first positioning structure (2211) capable of being clamped and fixed with the profiling movable base (222) is arranged on the fixed base (221), and the second adsorption component (71) is arranged on the fixed base (221).

3. The profiled multiple curvature glass convex surface polishing apparatus as defined in claim 2, wherein the first positioning structure (2211) comprises a rectangular boss (2211 a) disposed at a center of the fixed base (221) and used for positioning the profiled movable base (222), and a rotation positioning post (2211 b) disposed at a center of the rectangular boss (2211 a) and used for rotating the profiled movable base (222) relative to the fixed base (221), wherein the profiled movable base (222) rotates around the rotation positioning post (2211 b) and is fastened and fixed on the rectangular boss (2211 a).

4. A profiled multiple curvature glass convex surface polishing apparatus as claimed in claim 3, characterized in that the bottom of the profiled movable base (222) is provided with a second positioning structure (2223) into which the first positioning structure (2211) of the fixed base (221) is inserted and positioned.

5. The special-shaped multi-curvature glass convex polishing device according to claim 4, wherein the second positioning structure (2223) comprises a rectangular groove (2223 a) matched with a rectangular boss (2211 a) of the fixed base (221) and a positioning groove (2223 b) arranged at the center of the rectangular groove (2223 a) and used for inserting and positioning the rotary positioning column (2211 b), the rotary positioning column (2211 b) is in clearance fit with the positioning groove (2223 b), and the rectangular groove (2223 a) is clamped and fixed with the rectangular boss (2211 a).

6. The special-shaped multi-curvature glass convex polishing device according to claim 5, wherein a profiling boss (2221) matched with the glass (40) is arranged on the profiling movable base (222), a limit groove (2222) is arranged on the profiling boss (2221), and a magnetic component (50) for adsorbing the glass (40) is arranged in the limit groove (2222).

7. The profiled multiple curvature glass convex surface polishing apparatus as defined in claim 6, wherein the magnetic attraction assembly (50) comprises a circular ring (52) disposed in a limit groove (2222), a suction cup (51) disposed on top of the circular ring (52) and abutted against the glass (40), and a pair of third suction members (53) magnetically attracting the circular ring (52) in the limit groove (2222).

8. The special-shaped multi-curvature glass convex polishing device according to claim 1, wherein the polishing sponge (60) is an elastic polishing sponge, and a plurality of regular hexagonal grooves (61) are formed in the elastic polishing sponge.

9. The shaped multi-curvature glass convex polishing apparatus as claimed in claim 8, wherein the diameter of the regular hexagonal grooves (61) is 50mm to 70mm.

10. A flat grinder (200), characterized by comprising a profiled multi-curvature glass convex polishing device (100) according to any one of claims 1 to 9.