Efficient casting part polishing equipment

Abstract

According to the casting piece efficient polishing equipment, a center stand column is arranged on a base plate through a supporting platen, a rotating frame is arranged above the center stand column through a stepping motor, lifting rods are symmetrically arranged at the end of the rotating frame, and casting piece fixing structures are symmetrically arranged below the lifting rods through a rotating disc mechanism; a sand blasting barrel is arranged on one side of the base plate and penetrates through the supporting table plate, sand blasting openings are symmetrically formed in the inner wall of the sand blasting barrel, a sand blasting machine is arranged on one side of the sand blasting barrel on the base plate, a damping base is arranged on the other side of the base plate, a vibration barrel mechanism is arranged on the damping base and penetrates through the supporting table plate, and fine grinding ball materials are arranged in the vibration barrel mechanism. The rotary hanging mechanism capable of rotating and switching is matched with the sand blasting mechanism and the accurate grinding mechanism to conduct fine treatment and accurate grinding on the casting parts, assembly line type production is achieved, the casting parts do not need to be manually taken out, time and labor are saved, the rotary disc mechanism is matched with the multiple casting part fixing structures to rotate, all-directional machining treatment on the multiple casting parts is achieved at the same time, and the machining efficiency is improved. And the production efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of polishing equipment, and in particular to a high-efficiency polishing equipment for castings. Background Art

[0002] Casting can produce parts with complex shapes, especially blanks with complex internal cavities. It also has the characteristics of wide adaptability and a wide range of raw material sources. Therefore, metal castings are widely used in industrial production and manufacturing. After metal castings are cast, they need to be processed by cleaning, polishing and other processes.

[0003] At present, a vibration polishing machine is generally used for polishing castings. The castings are put into the polishing machine in batches and wait for vibration polishing. However, after polishing, the castings need to be taken out manually using auxiliary devices, and assembly line production cannot be achieved. At the same time, the device has a single functionality, and other equipment needs to be used to clean and polish the surface of the casting before polishing. The overall processing efficiency is low. Therefore, the present invention proposes a high-efficiency polishing device for castings to solve the problems existing in the prior art. Summary of the invention

[0004] In view of the above problems, the purpose of the present invention is to propose an efficient polishing equipment for castings, which realizes assembly line production by coordinating a rotating hanging mechanism with a sandblasting mechanism and a fine grinding mechanism to perform fine processing and fine grinding on castings. At the same time, the equipment also realizes multifunctional processing of castings, and there is no need to manually use auxiliary devices to take out the castings, which saves time and effort. Moreover, the turntable mechanism cooperates with the self-rotation of multiple groups of casting fixed structures to realize all-round processing of multiple groups of castings at the same time, greatly improving production efficiency.

[0005] To achieve the purpose of the present invention, the present invention is implemented through the following technical solutions: a high-efficiency polishing equipment for castings, including a base plate, a supporting table, a central column, a rotating hanging mechanism, a sandblasting mechanism and a fine grinding mechanism, the base plate is provided with a central column through the supporting table, the central column is fixedly installed at the center position of the supporting table, the central column is a hollow structure, the rotating hanging mechanism includes a stepping motor, a rotating frame, a lifting rod, a turntable mechanism and a casting fixing structure, a rotating frame is arranged above the central column for rotation by a stepping motor, the upper end of the central column is a groove structure, the stepping motor is located in the groove, the output end is fixedly connected to the rotating frame, the lifting rods are symmetrically fixedly arranged at the ends of the rotating frame, and the telescopic ends are arranged downward, and the lifting rods are symmetrically rotated by the turntable mechanism below A casting fixing structure is provided, the sandblasting mechanism includes a sandblasting bucket, a sandblasting nozzle and a sandblasting machine, a sandblasting bucket is arranged on one side of the base plate through the supporting table plate, the sandblasting bucket is fixed on the base plate, a through groove is arranged on the supporting table plate corresponding to the position of the sandblasting bucket, the sandblasting nozzles are symmetrically installed on the inner wall of the sandblasting bucket, and the sandblasting nozzles are vertical strip structures distributed in four groups, a sandblasting machine is installed on one side of the sandblasting bucket on the base plate, the fine grinding mechanism includes a shock-absorbing base, a vibration barrel mechanism and fine grinding ball material, a shock-absorbing base is arranged on the other side of the base plate, a buffer support is provided below the shock-absorbing base and the middle part of the upper side is a concave structure, a vibration barrel mechanism is arranged on the shock-absorbing base through the supporting table plate, a through groove is also arranged on the supporting table plate corresponding to the position of the vibration barrel mechanism, and fine grinding ball material is arranged in the vibration barrel mechanism.

[0006] A further improvement is that the turntable mechanism includes a fixed plate, a rotating motor, a rotating sleeve, an outer gear ring, a planetary outer gear and a self-rotating connecting column, a fixed plate is arranged below the lifting rod, the fixed plate is fixedly mounted on the downward telescopic end of the lifting rod, a rotating sleeve is arranged on the lower side of the fixed plate for rotation by the rotating motor, an outer gear ring is fixedly arranged on the outer side of the fixed plate, planetary outer gears are distributed in the inner groove of the rotating sleeve, the planetary outer gears are arranged in the groove in the rotating sleeve through a rotating shaft and the lower end passes through the rotating sleeve, a self-rotating connecting column is arranged below the planetary outer gear and passes through the lower side of the rotating sleeve, and the self-rotating connecting column is fixedly connected to the rotating shaft passing through the lower end of the planetary outer gear.

[0007] A further improvement is that a guide rod is symmetrically arranged between the upper end of the fixed disk and the rotating frame. The guide rod is fixedly and symmetrically arranged on the upper end of the fixed plate and passes through the end of the rotating frame for sliding adaptation. The rotating sleeve is sleeved and adapted with the fixed disk and the multiple sets of planetary external gears inside are rotationally engaged with the external gear ring. The casting fixing structure is fixedly arranged at the lower end of the self-rotating connecting column.

[0008] A further improvement is that a sand filter is provided at the lower end of the sandblasting barrel, the bottom surface of the sandblasting barrel is inclined, and a sand return pipe is provided on the side wall on the lowest side of the inclined surface, the sand return pipe is connected to the sandblasting machine, and the sandblasting port is connected to the sandblasting machine pipeline.

[0009] Further improvements are: the vibration barrel mechanism includes a vibration motor, an eccentric rotating block, a vibration processing barrel, a connecting spring, a pressurizing mechanism and a filter screen; a vibration motor is arranged on the shock-absorbing base, and the vibration motor is located in a recessed structure in the middle of the upper side of the shock-absorbing base; an eccentric rotating block is arranged at the output end of the vibration motor; a vibration processing barrel is fixedly arranged on the vibration motor, the vibration processing barrel is fixedly connected to the vibration motor housing and is not connected to the output end of the vibration motor; connecting springs are symmetrically distributed between the lower bottom surface of the vibration processing barrel and the shock-absorbing base; a pressurizing mechanism is arranged in the vibration processing barrel; a filter screen is arranged on the lower side of the vibration processing barrel to filter and collect metal chips generated by fine grinding of castings; the fine grinding ball material is filled in the vibration processing barrel.

[0010] Further improvement lies in that: the pressurizing mechanism includes a pressurizing gas chamber, an expansion rubber cylinder, an air inlet and a pressurizing air pump; the inner wall of the vibration treatment barrel is provided with a pressurizing gas chamber, the pressurizing gas chamber is separated from the inner cavity of the vibration treatment barrel by the expansion rubber cylinder, that is, the upper and lower ends of the expansion rubber cylinder are distributed and fixed at the upper and lower edges of the pressurizing gas chamber, an air inlet is provided on the side wall of the vibration treatment barrel outside the pressurizing gas chamber, a pressurizing air pump is installed on the base plate, and the pressurizing air pump is connected to the air inlet pipe.

[0011] Further improvements are: the bottom surface of the vibration processing barrel is a sloped structure and a debris discharge pipe is provided on the lowest side, a collection box is provided on the base plate, and the collection box is located at the pipe mouth of the debris discharge pipe to centrally process metal chips, and the opening diameters of the vibration processing barrel and the sandblasting barrel are both larger than the diameter of the turntable mechanism.

[0012] Further improvements are: the stepper motor is embedded in the upper end of the central column, the rotating frame is cross-shaped and a rotating sleeve is fixedly arranged on the lower side of the central part, the rotating sleeve is rotationally adapted to the upper end of the central column and the output end of the stepper motor is fixedly connected to the top end of the rotating sleeve, which is used to drive the rotating frame to rotate at a 90° angle to switch the processing station.

[0013] A further improvement is that: shock-absorbing rubber blocks are symmetrically arranged below the shock-absorbing base and supported by the shock-absorbing rubber blocks, and the support table is fixed to the base plate through supporting columns.

[0014] The beneficial effects of the present invention are as follows: the present invention realizes assembly line production by coordinating the rotating hanging mechanism with the sandblasting mechanism and the fine grinding mechanism to perform fine processing and fine grinding on the castings, and at the same time the equipment also realizes multifunctional processing of the castings, and there is no need to manually use auxiliary devices to take out the castings, which saves time and effort and solves the defects of the traditional vibration polishing machine. Moreover, the turntable mechanism cooperates with the self-rotation of multiple groups of casting fixed structures to realize all-round processing of multiple groups of castings at the same time, which greatly improves the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the main structural diagram of the present invention.

[0016] Figure 2 It is a cross-sectional structural diagram of the sandblasting mechanism of the present invention.

[0017] Figure 3 It is a cross-sectional structural diagram of the fine grinding mechanism of the present invention.

[0018] Figure 4 This is a diagram of the meshing structure of the outer gear ring and the planetary outer gear of the present invention.

[0019] Figure 5 It is a front and cross-sectional structural diagram of the rotating frame of the present invention.

[0020] Figure 6 It is a top view and cross-sectional structure diagram of the support platform of the present invention.

[0021] Among them: 1. Base plate; 2. Support table; 3. Center column; 4. Stepper motor; 5. Rotating frame; 6. Lifting rod; 7. Casting fixing structure; 8. Sandblasting bucket; 9. Sandblasting port; 10. Sandblasting machine; 11. Shock-absorbing base; 12. Fine grinding ball material; 13. Fixed plate; 14. Rotating motor; 15. Rotating sleeve; 16. External gear ring; 17. Planetary external gear; 18. Self-rotating connecting column; 19. Guide rod; 20. Sand filter net; 21. Return sand pipe; 22. Vibration motor; 23. Eccentric rotating block; 24. Vibration treatment barrel; 25. Connecting spring; 26. Filter net; 27. Pressurized air chamber; 28. Expansion rubber cylinder; 29. ​​Air inlet; 30. Pressurized air pump; 31. Exhaust pipe; 32. Collection box; 33. Rotating sleeve; 34. Shock-absorbing rubber block; 35. Support column. DETAILED DESCRIPTION

[0022] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0023] according to Figure 1-Figure 6As shown, this embodiment provides a high-efficiency polishing equipment for castings, including a base plate 1, a supporting table plate 2, a central column 3, a rotating hanging mechanism, a sandblasting mechanism and a fine grinding mechanism. A central column 3 is arranged on the base plate 1 through the supporting table plate 2. The central column is fixedly installed at the center position of the supporting table plate. The central column is a hollow structure. The rotating hanging mechanism includes a stepping motor 4, a rotating frame 5, a lifting rod 6, a turntable mechanism and a casting fixing structure 7. A rotating frame 5 is arranged above the central column 3 for rotation by the stepping motor 4. The upper end of the central column is a groove structure. The stepping motor is located in the groove, and the output end is fixedly connected to the rotating frame. The lifting rod 6 is symmetrically fixed at the end of the rotating frame 5, and the telescopic end is arranged downward. The casting fixing structure 7 is symmetrically rotated by the turntable mechanism below the lifting rod 6. The sandblasting mechanism includes The invention comprises a sandblasting barrel 8, a sandblasting nozzle 9 and a sandblasting machine 10. A sandblasting barrel 8 is provided on one side of the base plate 1 through the supporting table 2. The sandblasting barrel is fixed on the base plate. A through groove is provided on the supporting table corresponding to the position of the sandblasting barrel. Sandblasting nozzles 9 are symmetrically installed on the inner wall of the sandblasting barrel 8. The sandblasting nozzles are vertical strip structures and are distributed in four groups. A sandblasting machine 10 is installed on one side of the sandblasting barrel 8 on the base plate 1. The fine grinding mechanism includes a shock-absorbing base 11, a vibration barrel mechanism and fine grinding balls 12. A shock-absorbing base 11 is provided on the other side of the base plate 1. The lower part of the shock-absorbing base is a buffer support and the middle part of the upper side is a concave structure. A vibration barrel mechanism is provided on the shock-absorbing base 11 through the supporting table 2. A through groove is also provided on the supporting table corresponding to the position of the vibration barrel mechanism. Fine grinding balls 12 are provided in the vibration barrel mechanism, and fine polishing is performed by the fine grinding balls.

[0024] The turntable mechanism includes a fixed plate 13, a rotating motor 14, a rotating sleeve 15, an outer gear ring 16, a planetary outer gear 17 and a self-rotation connecting column 18. The fixed plate 13 is arranged below the lifting rod 6, and the fixed plate is fixedly installed at the telescopic end of the lifting rod facing downward. The rotating sleeve 15 is arranged on the lower side of the fixed plate 13 for rotation by the rotating motor 14. The outer gear ring 16 is fixedly arranged on the outer side of the fixed plate 13. Planetary outer gears 17 are distributed in the inner groove of the rotating sleeve 15. The planetary outer gears are arranged in the groove in the rotating sleeve through a rotating shaft and the lower end passes through the rotating sleeve. A self-rotation connecting column 18 is arranged below the planetary outer gear 17 and passes through the lower side of the rotating sleeve 15. The self-rotation connecting column is fixedly connected to the rotating shaft passing through the lower end of the planetary outer gear.

[0025] A guide rod 19 is symmetrically arranged between the upper end of the fixed plate 13 and the rotating frame 5. The guide rod is fixedly and symmetrically arranged on the upper end of the fixed plate and penetrates the end of the rotating frame for sliding adaptation. The rotating sleeve 15 is sleeved and adapted with the fixed plate 13, and the internal multiple sets of planetary external gears 17 are rotationally engaged with the external gear ring 16. The casting fixing structure 7 is fixedly arranged at the lower end of the rotating connecting column 18. The casting fixing structure is detachable and can be replaced with a suitable casting fixing structure according to castings of different structures.

[0026] A sand filter net 20 is provided at the lower end of the sandblasting barrel 8. The bottom surface of the sandblasting barrel 8 is inclined and a sand return pipe 21 is provided on the side wall on the lowest side of the inclined surface. The sand return pipe 21 is connected to the sandblasting machine 10 and is used to screen and recycle the sand and debris removed from the surface of the casting. The sandblasting port 9 is connected to the sandblasting machine 10 through a pipeline.

[0027] The vibration barrel mechanism includes a vibration motor 22, an eccentric rotating block 23, a vibration treatment barrel 24, a connecting spring 25, a pressurizing mechanism and a filter 26. The vibration motor 22 is arranged on the shock-absorbing base 11. The vibration motor is located in a recessed structure in the middle of the upper side of the shock-absorbing base. An eccentric rotating block 23 is arranged at the output end of the vibration motor 22. A vibration treatment barrel 24 is fixedly arranged on the vibration motor 22. The vibration treatment barrel is fixedly connected to the vibration motor housing and is not connected to the output end of the vibration motor. Connecting springs 25 are symmetrically distributed between the lower bottom surface of the vibration treatment barrel 24 and the shock-absorbing base 11. A pressurizing mechanism is arranged in the vibration treatment barrel 24. A filter 26 is arranged on the lower side of the vibration treatment barrel 24 to filter and collect metal chips generated by fine grinding of castings. The fine grinding ball material 12 is filled in the vibration treatment barrel 24.

[0028] The pressurizing mechanism includes a pressurizing gas chamber 27, an expansion rubber cylinder 28, an air inlet 29 and a pressurizing air pump 30. The inner wall of the vibration treatment barrel 24 is provided with a pressurizing gas chamber 27. The pressurizing gas chamber 27 is separated from the inner cavity of the vibration treatment barrel 24 by the expansion rubber cylinder 28, that is, the upper and lower ends of the expansion rubber cylinder are distributed and fixed at the upper and lower edges of the pressurizing gas chamber. An air inlet 29 is provided on the side wall of the vibration treatment barrel 24 outside the pressurizing gas chamber 27. A pressurizing air pump 30 is installed on the base plate 1. The pressurizing air pump 30 is connected to the air inlet 29 through a pipeline. By controlling the inflation to increase the pressure of the fine grinding ball material in the vibration treatment barrel on the surface polishing of the casting, control of different polishing accuracies can be achieved.

[0029] The inner bottom surface of the vibration treatment barrel 24 is a sloped structure and a debris discharge pipe 31 is provided on the lowest side. A collection box 32 is provided on the base plate 1. The collection box 32 is located at the pipe mouth of the debris discharge pipe 31 to centrally process metal chips. The opening diameters of the vibration treatment barrel 24 and the sandblasting barrel 8 are both larger than the diameter of the turntable mechanism.

[0030] The stepper motor 4 is embedded in the upper end of the central column 3, the rotating frame 5 is cross-shaped and a rotating sleeve 33 is fixedly arranged on the lower side of the central part, the rotating sleeve 33 is rotatably adapted to the upper end of the central column 3 and the output end of the stepper motor 4 is fixedly connected to the top inner end of the rotating sleeve 33, which is used to drive the rotating frame to rotate at a 90° angle to switch the processing station.

[0031] A shock-absorbing rubber block 34 is symmetrically arranged below the shock-absorbing base 11 and supported by the shock-absorbing rubber block 34 . The support platform 2 is fixed on the base plate 1 through a support column 35 .

[0032] When the high-efficiency casting polishing equipment is used, multiple groups of castings are first fixed on the casting fixed structure at the station before the sandblasting mechanism, and then the stepper motor drives the rotating frame to rotate 90 degrees, and the turntable mechanism with the casting fixed is switched to the top of the sandblasting mechanism, and then the lifting rod drives the turntable mechanism and the fixed multiple groups of castings to move down and extend into the sandblasting barrel, and the rotating sleeve is driven to rotate by the rotating motor. While the rotating sleeve rotates, due to the meshing of the planetary outer gear and the outer gear ring, the casting fixed structure at the lower end of the planetary outer gear rotates synchronously, and then the surface of the casting is sandblasted and cleaned by sandblasting through the sandblasting port. After the sandblasting treatment is completed, the lifting rod retracts to lift the sandblasted casting, and the stepper motor rotates 90 degrees again to rotate the sandblasted casting to the top of the vibration barrel mechanism. The lifting rod descends to insert the casting into the fine grinding ball material in the vibration treatment barrel, and the vibration motor generates vibration to make the fine grinding ball material finely polish the surface of the casting. After the polishing is completed, the lifting rod rises and lifts the polished casting, and the stepper motor rotates again to the next station for unloading, completing a round of processing.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A high-efficiency polishing equipment for castings, characterized by: The invention comprises a base plate (1), a support plate (2), a central column (3), a rotating material hanging mechanism, a sandblasting mechanism and a fine grinding mechanism, wherein the base plate (1) is provided with a central column (3) via the support plate (2), the rotating material hanging mechanism comprises a stepping motor (4), a rotating frame (5), a lifting rod (6), a turntable mechanism and a casting fixing structure (7), a rotating frame (5) is provided above the central column (3) via the stepping motor (4), lifting rods (6) are symmetrically provided at the ends of the rotating frame (5), and a casting fixing structure (7) is symmetrically provided below the lifting rods (6) via the turntable mechanism, and the sandblasting machine The structure comprises a sandblasting bucket (8), a sandblasting port (9) and a sandblasting machine (10); a sandblasting bucket (8) is provided on one side of the base plate (1) through the support plate (2); the sandblasting port (9) is symmetrically provided on the inner wall of the sandblasting bucket (8); a sandblasting machine (10) is provided on one side of the sandblasting bucket (8) on the base plate (1); the fine grinding mechanism comprises a shock-absorbing base (11), a vibration barrel mechanism and fine grinding balls (12); a shock-absorbing base (11) is provided on the other side of the base plate (1); a vibration barrel mechanism is provided on the shock-absorbing base (11) through the support plate (2); and fine grinding balls (12) are provided in the vibration barrel mechanism.

2. The high-efficiency casting polishing equipment according to claim 1 is characterized in that: The turntable mechanism comprises a fixed disk (13), a rotating motor (14), a rotating sleeve (15), an outer gear ring (16), a planetary outer gear (17) and a self-rotating connecting column (18); a fixed disk (13) is provided below the lifting rod (6); a rotating sleeve (15) is provided on the lower side of the fixed disk (13) via the rotating motor (14); an outer gear ring (16) is provided on the outer side of the fixed disk (13); planetary outer gears (17) are distributed in the inner groove of the rotating sleeve (15); and a self-rotating connecting column (18) is provided below the planetary outer gear (17) and passes through the lower side of the rotating sleeve (15).

3. The high-efficiency casting polishing equipment according to claim 2 is characterized in that: A guide rod (19) is symmetrically provided between the upper end of the fixed disk (13) and the rotating frame (5); the rotating sleeve (15) is sleeved and matched with the fixed disk (13); and the multiple sets of planetary external gears (17) inside are rotationally meshed with the external gear ring (16); and the casting fixing structure (7) is fixedly arranged at the lower end of the self-rotating connecting column (18).

4. The high-efficiency casting polishing equipment according to claim 1, characterized in that: A sand filter net (20) is provided at the lower end of the sandblasting barrel (8); the bottom surface of the sandblasting barrel (8) is in the shape of an inclined surface, and a sand return pipe (21) is provided on the side wall at the lowest side of the inclined surface; the sand return pipe (21) is connected to the sandblasting machine (10); and the sandblasting port (9) is connected to a pipeline of the sandblasting machine (10).

5. The high-efficiency casting polishing equipment according to claim 1 is characterized in that: The vibration barrel mechanism comprises a vibration motor (22), an eccentric rotating block (23), a vibration treatment barrel (24), a connecting spring (25), a pressurizing mechanism and a filter (26); the vibration motor (22) is provided on the shock absorbing base (11); an eccentric rotating block (23) is provided at the output end of the vibration motor (22); a vibration treatment barrel (24) is fixedly provided on the vibration motor (22); connecting springs (25) are symmetrically distributed between the bottom surface of the vibration treatment barrel (24) and the shock absorbing base (11); a pressurizing mechanism is provided inside the vibration treatment barrel (24); a filter (26) is provided on the lower side of the vibration treatment barrel (24); and the fine grinding ball material (12) is filled in the vibration treatment barrel (24).

6. The high-efficiency casting polishing equipment according to claim 5, characterized in that: The pressurizing mechanism comprises a pressurizing gas chamber (27), an expansion rubber cylinder (28), an air inlet (29) and a pressurizing air pump (30); the inner wall of the vibration treatment barrel (24) is provided with a pressurizing gas chamber (27); the pressurizing gas chamber (27) is separated from the inner cavity of the vibration treatment barrel (24) by the expansion rubber cylinder (28); the side wall of the vibration treatment barrel (24) outside the pressurizing gas chamber (27) is provided with an air inlet (29); the base plate (1) is provided with a pressurizing air pump (30); the pressurizing air pump (30) is connected to the air inlet (29) by a pipeline.

7. The high-efficiency casting polishing equipment according to claim 5, characterized in that: The inner bottom surface of the vibration treatment barrel (24) is an inclined structure and a debris discharge pipe (31) is provided on the lowest side. A collection box (32) is provided on the base plate (1). The collection box (32) is located at the pipe opening of the debris discharge pipe (31). The diameters of the openings on the vibration treatment barrel (24) and the sandblasting barrel (8) are both larger than the diameter of the turntable mechanism.

8. The high-efficiency casting polishing equipment according to claim 1, characterized in that: The stepper motor (4) is embedded in the upper end of the central column (3); the rotating frame (5) is cross-shaped and a rotating sleeve (33) is provided at the lower side of the central part; the rotating sleeve (33) is rotationally adapted to the upper end of the central column (3); and the output end of the stepper motor (4) is fixedly connected to the inner top of the rotating sleeve (33).

9. The high-efficiency casting polishing equipment according to claim 1, characterized in that: A shock-absorbing rubber block (34) is symmetrically arranged below the shock-absorbing base (11) and supported by the shock-absorbing rubber block (34); the support platform (2) is fixed to the base plate (1) via a support column (35).

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