A casting surface polishing device

Abstract

The present invention is applicable to the technical field of casting polishing, and provides a casting surface polishing device, including: a polishing assembly, which includes a lifting seat, a driving shaft is rotatably arranged above the lifting seat, a sleeve shaft is rotatably arranged on the driving shaft, two driving members are arranged on the sleeve shaft, a central driven member and a side driven member are sequentially arranged on one side of the driving member, auxiliary members are slidably arranged on both side walls of the bracket, two push plates are slidably arranged on the top surface of the base, a bearing seat is slidably arranged on the base, two clamping plates are slidably arranged on the bearing seat, a bottom driven shaft is rotatably arranged below the lifting seat, a reciprocating seat is arranged on the bottom driven shaft, and a plurality of polishing seats are arranged on the reciprocating seat; a flipping assembly, which includes a threaded shaft, a threaded seat is threadedly connected to the threaded shaft, and a rotating plate is rotatably arranged on the threaded seat. Therefore, the present invention can not only be applicable to castings of different specifications, expanding the application range of the device, but also can automatically polish both sides of the casting, reducing the labor intensity of users and improving the polishing operation efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of casting polishing, and particularly to a casting surface polishing device. Background Art

[0002] Polishing refers to a processing method that uses mechanical, chemical or electrochemical actions to reduce the surface roughness of a workpiece to obtain a bright and flat surface. During the use or processing of some metal castings, it is necessary to polish their surfaces.

[0003] Among the existing various casting polishing devices, for example, a highly automated metal casting polishing device with the publication number of CN220699197U includes a base. Four corners of the lower end of the base are fixedly installed with support legs. Two groups of support plates are fixedly installed on both sides of the upper end of the base. A fixing component is arranged between the two groups of support plates. A polishing table is fixedly installed at the middle position of the upper end of the base. An L-shaped mounting plate is fixedly installed at the rear side of the upper end of the base. An absorption component is arranged at the rear side of the top of the L-shaped mounting plate. Two groups of first hydraulic cylinders are arranged on both sides of the top of the L-shaped mounting plate. A dust suction box is arranged below the two groups of first hydraulic cylinders. A polishing component is arranged inside the dust suction box, and it can collect the debris generated during polishing. However, when the above device is applied to the polishing operation of larger plate-shaped castings, it cannot automatically flip the plate-shaped castings, and manual adjustment of the polishing surface of the plate-shaped castings is required, which increases the labor intensity of the user and is still inconvenient to use.

[0004] In summary, it is obvious that there are inconveniences and defects in the prior art in actual use, so it is necessary to make improvements. Summary of the Invention

[0005] Aiming at the above defects, the purpose of the present invention is to provide a casting surface polishing device, which can not only be applicable to castings with different widths and thicknesses, expanding the application range of the device, but also combine the reciprocating motion and rotation of the polishing disc to polish both sides of the casting, reducing the labor intensity of the user and improving the polishing operation efficiency.

[0006] To achieve the above object, the present invention provides a casting surface polishing device, comprising: a base, in the middle of the top surface of which a bracket is provided, and an inclined convex seat is provided at one end of the top surface of the base; a polishing assembly, which includes a lifting seat and a driving shaft, the lifting seat is slidably arranged on the bracket, a reciprocally rotatable driving shaft is rotatably arranged above the lifting seat, a sleeve shaft and a driving gear are rotatably arranged on the driving shaft, two symmetrical driving members are arranged on the sleeve shaft, a central driven member and a side driven member are sequentially arranged on the side of the driving member away from each other, a translation member is arranged above the adjacent driving member and the central driven member, lifting connecting rods are rotatably arranged between the translation member and the driving member and between the translation member and the central driven member, auxiliary members are slidably arranged on the side walls of both sides of the bracket, clamping connecting rods are rotatably arranged between the adjacent auxiliary members and the side driven members, two push plates are slidably arranged on the top surface of the base, auxiliary connecting rods are rotatably arranged between the adjacent push plates and the auxiliary members, a bearing seat is slidably arranged on the base, two clamping plates are slidably arranged on the bearing seat, connecting plates slidably connected to the push plates are arranged on the clamping plates, a bottom driven shaft is rotatably arranged below the lifting seat, a reciprocating seat is arranged on the bottom driven shaft, a plurality of polishing seats are arranged on the reciprocating seat, and a top driven shaft is rotatably arranged above the lifting seat; a flipping assembly, which includes a threaded shaft and a rotating plate, the threaded shaft is rotatably arranged below the base, a threaded seat is threadedly connected to the threaded shaft, a rotating plate is rotatably arranged on the threaded seat, a side driven shaft is rotatably penetrated through the inclined convex seat, and a flipping plate is arranged on the side driven shaft.

[0007] According to the casting surface polishing device of the present invention, a positive ratchet wheel is arranged on the side wall of one end of the sleeve shaft, a reverse ratchet wheel is arranged on the side wall of one side of the driving gear, a positively rotatable positive pawl and a reverse pawl are rotatably arranged on the driving shaft, and the rotatable directions of the positive pawl and the reverse ratchet wheel are opposite.

[0008] According to the casting surface polishing device of the present invention, a bottom driven gear is arranged on the bottom driven shaft, and a top driven gear is arranged on the top driven shaft.

[0009] According to the casting surface polishing device of the present invention, elastic support plates are rotatably connected to both ends of the bottom driven shaft, the elastic support plates are slidably connected to the side walls of the bracket, fixing plates are arranged on the side walls of the bracket below the elastic support plates, and a plurality of third springs are arranged between the adjacent fixing plates and the elastic support plates.

[0010] According to the casting surface polishing device of the present invention, a first spring is arranged between the adjacent driving member and the central driven member, a second spring is arranged between the adjacent central driven member and the side driven member, and the elastic coefficient of the first spring is greater than that of the second spring.

[0011] For the casting surface polishing device according to the present invention, a first torsion spring is provided at the connection between the rotating plate and the threaded seat, and a second torsion spring is provided between the side driven shaft and the inclined convex seat.

[0012] For the casting surface polishing device according to the present invention, both ends of the side driven shaft are rotatably connected to the vertical plates, the vertical plates are fixedly connected to the base, one end of the side driven shaft is connected to the side driven gear, a transmission gear is connected to the vertical plate through a smooth shaft, and a first belt is provided between the smooth shaft and the top driven shaft.

[0013] For the casting surface polishing device according to the present invention, the transmission gear is provided with a tooth area and a blank area.

[0014] For the casting surface polishing device according to the present invention, a plurality of vertical shafts are rotatably provided on the reciprocating seat, the bottom ends of the vertical shafts are all connected to the polishing seats, a rotating shaft is rotatably provided on the reciprocating seat, an auxiliary gear is connected to the top end of the rotating shaft, a rack is provided on the bottom surface of the base, and a second belt is provided between the rotating shaft and the vertical shafts.

[0015] For the casting surface polishing device according to the present invention, one end of the driving shaft is connected to the output shaft of the main driving member, the main driving member is provided on the lifting seat, one end of the threaded shaft is connected to the output shaft of the auxiliary driving member, and the auxiliary driving member is provided on the base.

[0016] The object of the present invention is to provide a casting surface polishing device, and its beneficial effects are as follows:

[0017] 1. By providing the polishing assembly, it can not only combine the reciprocating motion and rotation of the polishing disc to improve the polishing effect, but also be applicable to castings of different widths and thicknesses, expanding the application range of the device.

[0018] 2. By providing the flipping assembly, it can automatically flip the casting and perform double-sided polishing on the casting, reducing the labor intensity of the user and improving the polishing operation efficiency.

[0019] In summary, the beneficial effects of the present invention are: it can be applicable to castings of different widths and thicknesses, expanding the application range of the device, and can combine the reciprocating motion and rotation of the polishing disc to perform double-sided polishing on the casting, reducing the labor intensity of the user and improving the polishing operation efficiency. Description of the Drawings

[0020] Figure 1 is the front schematic diagram of the present invention, Figure 2 is Figure 1 the enlarged schematic diagram of part A structure of Figure 3 is the back schematic diagram of the present invention, Figure 4 is Figure 3 the enlarged schematic diagram of part B structure of Figure 5is a top view sectional view of the present invention, Figure 6 is Figure 5 an enlarged schematic view of the structure of part C of Figure 7 is Figure 5 an enlarged schematic view of the structure of part D of

[0021] In the figure: 1 - base, 11 - bracket, 12 - inclined convex seat, 2 - polishing assembly, 21 - lifting seat, 211 - driving shaft, 212 - main driving member, 213 - driving gear, 22 - sleeve shaft, 23 - driving member, 231 - translating member, 232 - lifting connecting rod, 24 - central driven member, 25 - side driven member, 251 - auxiliary member, 252 - clamping connecting rod, 253 - pushing plate, 254 - auxiliary connecting rod, 26 - bearing seat, 261 - end plate, 262 - clamping plate, 263 - connecting plate, 264 - clamping plate, 27 - reciprocating seat, 271 - vertical shaft, 272 - polishing seat, 273 - auxiliary gear, 28 - bottom driven shaft, 281 - bottom driven gear, 282 - elastic support plate, 29 - top driven shaft, 291 - top driven gear, 3 - flipping assembly, 31 - threaded shaft, 32 - rotating plate, 33 - roller, 34 - side driven shaft, 341 - flipping plate, 342 - side driven gear, 35 - transmission gear. Detailed implementation manners

[0022] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] Refer to Figures 1 to 7 , the present invention provides a casting surface polishing device, including a base 1, a polishing assembly 2 and a flipping assembly 3. The base 1 is arranged on the ground (or other supporting surfaces). A bracket 11 is fixedly connected to the middle of the top surface of the base 1. The polishing assembly 2 is arranged on the bracket 11. An inclined convex seat 12 is fixedly connected to the top surface of the base 1 on one side of the bracket 11. The inclined convex seat 12 is used to assist in flipping the casting.

[0024] Refer to Figures 1 to 7, the polishing assembly 2 includes a lifting seat 21 and a driving shaft 211. The lifting seat 21 is slidably connected to the bracket 11. A driving shaft 211 is rotatably provided above the lifting seat 21. One end of the driving shaft 211 is rotatably connected to the side wall of one end of the lifting seat 21. The other end of the driving shaft 211 is connected to the output shaft of the main driving member 212. The main driving member 212 is installed on the side wall of the other end of the lifting seat 21 (there are various installation methods, such as bolting, clamping, etc.). The main driving member 212 can drive the driving shaft 211 to rotate reciprocally. A sleeve shaft 22 is rotatably sleeved on the driving shaft 211 (that is, the sleeve shaft 22 is rotatably connected to the outside of the driving shaft 211 through a bearing or other structures). A positive ratchet is provided on the side wall of one end of the sleeve shaft 22. The positive ratchet, the sleeve shaft 22 and the driving shaft 211 are concentric. A positively rotatable positive pawl is rotatably provided on the driving shaft 211. When the driving shaft 211 rotates forward, the positive ratchet cooperates with the positive pawl to drive the sleeve shaft 22 to rotate. Two driving members 23 are symmetrically provided on the sleeve shaft 22. The driving members 23 are both slidably connected to the top surface of the lifting seat 21. Two first reciprocating grooves (the structure refers to the reciprocating lead screw) are provided on the sleeve shaft 22. The driving members 23 are in one-to-one correspondence with the first reciprocating grooves. When the sleeve shaft 22 rotates, it can drive the two driving members 23 to move synchronously and in opposite directions. The purpose of setting the first reciprocating grooves is to realize the reciprocating movement of the driving members 23 when the sleeve shaft 22 rotates unidirectionally. Central driven members 24 are provided on the sides of the driving members 23 away from each other. The central driven members 24 all pass through the sleeve shaft 22 and are slidably connected to the lifting seat 21. A first spring is provided between adjacent central driven members 24 and driving members 23. A translation member 231 is provided between adjacent central driven members 24 and driving members 23. The horizontal height of the translation member 231 is higher than the horizontal heights of the driving members 23 and the central driven members 24 (the translation member 231 can be slidably connected to the top surface of the bracket 11). Lifting connecting rods 232 are rotatably provided between the translation member 231 and the driving members 23, and between the translation member 231 and the central driven members 24 (that is, one end of the lifting connecting rod 232 is rotatably connected to the translation member 231, and the other end of the lifting connecting rod 232 is rotatably connected to the driving member 23 or the central driven member 24). When the distance between adjacent driving members 23 and central driven members 24 becomes smaller (that is, the first spring is compressed), under the action of the lifting connecting rod 232, the distance between the translation member 231 and the driving member 23 increases.

[0025] See Figures 1 to 7, on the sides of the central follower 24 that are away from each other, there are edge followers 25 that are slidably connected to the lifting seat 21. The edge followers 25 are all inserted through the sleeve shaft 22. Between adjacent edge followers 25 and the central follower 24, there are second springs (the elastic coefficient of the second spring is less than that of the first spring). On the side walls at both ends of the bracket 11, there are auxiliary members 251 slidably arranged. Between adjacent auxiliary members 251 and the edge followers 25, there are clamping connecting rods 252 rotatably arranged (that is, one end of the clamping connecting rod 252 is rotatably connected to the auxiliary member 251, and the other end of the clamping connecting rod 252 is rotatably connected to the edge follower 25). On both sides of the top surface of the base 1, there are push plates 253 slidably arranged. Between adjacent push plates 253 and the auxiliary members 251, there are auxiliary connecting rods 254 (that is, one end of the auxiliary connecting rod 254 is rotatably connected to the push plate 253, and the other end of the auxiliary connecting rod 254 is rotatably connected to the auxiliary member 251). Then when the two edge followers 25 move away from each other, they can drive the two auxiliary members 251 to move downward synchronously, thereby driving the two push plates 253 to approach each other. In the middle of the top surface of the base 1, there is a chute. In the chute, there is a bearing seat 26 for bearing the casting. At both sides of the top surface of the bearing seat 26, there are end plates 261. On the top surface of the bearing seat 26, there are two symmetric clamping plates 262 slidably arranged. The clamping plates 262 are used to clamp and fix the casting. On the side walls of the clamping plates 262 away from the center of the bearing seat 26, there are connecting plates 263 passing through the end plates 261. The connecting plates 263 are all slidably connected to the push plates 253, enabling the connecting plates 263 to slide reciprocally along the push plates 253 and also to move synchronously with the push plates 253 to complete the clamping of the casting.

[0026] See Figures 1 to 7 , below the lifting seat 21, there is a bottom driven shaft 28. Both ends of the bottom driven shaft 28 are connected to elastic support plates 282. The elastic support plates 282 are all slidably connected to the side walls of the bracket 11. On the side walls of the bracket 11 below the elastic support plates 282, there are fixed plates. Between the fixed plates and the elastic support plates 282, there are third springs. On the bottom driven shaft 28, there is a reciprocating seat 27. On the surface of the bottom driven shaft 28, there is a second reciprocating groove (its structure refers to the reciprocating lead screw) that cooperates with the reciprocating seat 27. At one end of the bottom driven shaft 28, there is a bottom driven gear 281. At one end of the driving shaft 211, there is a driving gear 213 rotatably arranged. The driving gear 213 can mesh with the bottom driven gear 281. On one side wall of the driving gear 213, there is a reverse ratchet. The reverse ratchet, the driving gear 213, and the driving shaft 211 are concentric. On the driving shaft 211, there is a reversely rotatable reverse ratchet pawl rotatably arranged. Since the positive ratchet and the reverse ratchet have opposite directions, the rotatable directions of the positive ratchet pawl and the reverse ratchet pawl are also opposite. When the driving shaft 211 rotates in reverse, the reverse ratchet and the reverse ratchet pawl cooperate to drive the driving gear 213 to rotate. Above the lifting seat 21, there is a top driven shaft 29 rotatably arranged. Both ends of the top driven shaft 29 are respectively rotatably connected to the side walls at both ends of the bracket 11. The top driven shaft 29 passes through the auxiliary member 251. On the top driven shaft 29, there is a top driven gear 291 that can mesh with the driving gear 213.

[0027] See Figures 1 to 7 As shown in Figures 1 to 7 , the flipping assembly 3 includes a threaded shaft 31 and a rotating plate 32. The threaded shaft 31 is rotatably arranged below the base 1. One end of the threaded shaft 31 is rotatably connected to the side wall of the base 1, and the other end of the threaded shaft 31 is connected to the output shaft of the secondary driving member. The secondary driving member is arranged on the side wall at the other end of the base 1. A threaded seat (not shown in the figure) is threadedly connected to the threaded shaft 31. The top surface of the threaded seat is rotatably connected to the rotating plate 32. First torsion springs are arranged at the joints between the rotating plate 32 and the threaded seat. When the first torsion springs are in the natural state, the rotating plate 32 is in the vertical state. The top end of the rotating plate 32 passes through the bearing seat 26. An avoidance groove that can cooperate with the rotating plate 32 is arranged on the bearing seat 26. One end of the avoidance groove close to the inclined convex seat 12 is open. When the casting is fixed on the bearing seat 26, under the action of the rotating plate 32, the threaded seat can drive the bearing seat 26 and the casting to reciprocate. A side driven shaft 34 is rotatably penetrated through the inclined convex seat 12. Both ends of the side driven shaft 34 are rotatably connected to the vertical plates. The vertical plates are fixedly connected to the base 1. A flipping plate 341 is fixedly connected to the side driven shaft 34. Second torsion springs are arranged at the joints between the side driven shaft 34 and the inclined convex seat 12. When the second torsion springs are in the natural state, the flipping plate 341 does not cooperate with the casting. One end of the side driven shaft 34 is connected to a side driven gear 342. A smooth shaft is rotatably arranged on the vertical plate close to the side driven gear 342. A transmission gear 35 that can mesh with the side driven gear 342 is arranged on the smooth shaft. A first belt is arranged between the smooth shaft and the top driven shaft 29.

[0028] See Figures 1 to 7 As shown in Figures 1 to 7 , preferably, the top surface of the polishing seat 272 is rotatably connected to an auxiliary gear 273 through a rotating shaft. Second belts are arranged between the rotating shaft and the vertical shaft 271 (users can adjust the wrap angle of the second belt or replace the second belt with a chain according to the prior art to ensure good transmission efficiency. This is the prior art, so it will not be elaborated here). A rack that can mesh with the auxiliary gear 273 is arranged on the bottom surface of the lifting seat 21. When the lifting seat 21 descends until the polishing seat 272 abuts against the surface of the casting, the driving gear 213 meshes with the bottom driven gear 281, and the auxiliary gear 273 meshes with the rack, enabling the polishing seat 272 to rotate self - sufficiently during the reciprocating movement of the reciprocating seat 27 (by adjusting the tooth density on the auxiliary gear 273 and the rack, the high - speed rotation of the polishing seat 272 can be achieved. Alternatively, the arrangement of the auxiliary gear 273 and the rack can be cancelled, and a small motor can be used to directly drive the polishing seat 272 to rotate. These are all prior arts, so they will not be elaborated here), thereby improving the polishing efficiency.

[0029] See Figures 1 to 7 As shown in Figures 1 to 7 , preferably, a guide groove that cooperates with the connecting plate 263 is arranged on the pushing plate 253, and a clamping plate 264 that can cooperate with the pushing plate 253 is arranged on the connecting plate 263, improving the smoothness of the movement of the connecting plate 263.

[0030] SeeFigures 1 to 7 , preferably, a plurality of rollers 33 are rotatably provided on one side of the rotating plate 32 close to the inclined convex seat 12. The rollers 33 can reduce the friction between the rotating plate 32 and the casting and provide protection for the casting.

[0031] See Figures 1 to 7 , preferably, both the main driving member 212 and the auxiliary driving member are rotating motors, which can provide sufficient power.

[0032] See Figures 1 to 7 , preferably, the surface of the transmission gear 35 is provided with a tooth area and a blank area. When the tooth area meshes with the side driven gear 342, the transmission gear 35 can drive the side driven gear 342 to rotate. When the blank area cooperates with the side driven gear 342, the side driven shaft 34 can be automatically rotated and reset under the action of the second torsion spring.

[0033] During the implementation of the present invention: The user places the casting on the top surface of the bearing seat 26, starts the main driving member 212, and the main driving member 212 rotates forward. At this time, the positive ratchet wheel cooperates with the positive ratchet pawl, and the reverse ratchet wheel does not cooperate with the reverse ratchet pawl. The sleeve shaft 22 rotates, and the driving gear 213 does not rotate. The two driving members 23 move away from each other, thereby driving the two side driven members 25 to move away from each other, causing the auxiliary member 251 to descend. The two push plates 253 move closer to each other (during this period, the first spring does not deform), so that the clamping plate 262 clamps the casting. Then the two driving members 23 continue to move away from each other until the first spring is compressed, and the distance between the adjacent driving member 23 and the central driven member 24 is reduced. Under the action of the lifting connecting rod 232, the lifting seat 21 descends, causing the driving gear 213 to mesh with the bottom driven gear 281, and the auxiliary gear 273 to mesh with the rack (if the polishing seat 272 does not abut against the casting at this time, the lifting seat 21 can continue to descend, and the third spring is compressed). When the polishing seat 272 abuts against the casting, the main driving member 212 rotates in reverse. At this time, the positive ratchet wheel does not cooperate with the positive ratchet pawl, and the reverse ratchet wheel cooperates with the reverse ratchet pawl. The sleeve shaft 22 does not rotate, and the driving gear 213 drives the bottom driven shaft 28 to rotate, so that the reciprocating seat 27 reciprocates, driving the polishing seat 272 to rotate and reciprocate at the same time, polishing the surface of the casting. During this period, the auxiliary driving member is started to drive the threaded shaft 31 to rotate, and the threaded seat drives the rotating plate 32 to move. The rotating plate 32 pushes the casting to move. When one side surface of the casting is polished, the bearing seat 26 is located at one end of the sliding groove close to the inclined convex seat 12. The main driving member 212 rotates forward to raise the lifting seat 21 until the driving gear 213 meshes with the top driven gear 291. At this time, the clamping plate 262 is disengaged from the casting. Then the auxiliary driving member drives the threaded shaft 31 to rotate, so that the rotating plate 32 pushes the casting to move alone and cooperate with the inclined convex seat 12, and the casting changes from a horizontal state to an inclined state. Then the main driving member 212 rotates in reverse to rotate the top driven shaft 29, and the top driven shaft 29 drives the optical shaft to rotate. At this time, the tooth area of the transmission gear 35 meshes with the side driven gear 342, causing the side driven shaft 34 to drive the turning plate 341 to rotate. During this process, the casting is located between the turning plate 341 and the rotating plate 32. When the turning plate 341 rotates to the horizontal state, the casting is turned over. At this time, the rotating plate 32 is located below the casting, the rotating plate 32 is in a horizontal state and the rollers 33 thereon abut against the casting. The auxiliary driving member rotates in reverse to make the threaded seat move in the reverse direction until the rotating plate 32 is disengaged from the casting. Under the action of the first torsion spring, the rotating plate 32 resets. Then the main driving member 212 rotates in reverse to make the blank area of the transmission gear 35 cooperate with the side driven gear 342, and the turning plate 341 rotates and resets. Then the main driving member 212 rotates forward to lower the lifting seat 21, and the polishing seat 272 can polish the surface of the casting after turning over. The auxiliary driving member is started to drive the casting to move until both sides of the casting are polished.

[0034] The present invention provides a device for polishing the surface of a casting, and its beneficial effects are as follows:

[0035] 1. By setting up the polishing component, it can not only combine the reciprocating motion and rotation of the polishing disc to improve the polishing effect, but also be applicable to castings with different widths and thicknesses, expanding the application range of the device.

[0036] 2. By setting up the flipping component, it can automatically flip the casting and perform double-sided polishing on the casting, reducing the labor intensity of the user and improving the polishing operation efficiency.

[0037] In summary, the beneficial effects of the present invention are as follows: it can not only be applicable to castings with different widths and thicknesses, expanding the application range of the device, but also combine the reciprocating motion and rotation of the polishing disc to perform double-sided polishing on the casting, reducing the labor intensity of the user and improving the polishing operation efficiency.

[0038] Of course, the present invention can also have multiple embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art can make corresponding changes and deformations according to the present invention. However, these corresponding changes and deformations should all fall within the protection scope of the appended claims of the present invention.

Claims

1. A casting surface polishing device, characterized in that, Comprising: A base, in the middle of the top surface of which there is a bracket, and at one end of the top surface of the base there is an inclined convex seat; A polishing assembly, which includes a lifting seat and a driving shaft. The lifting seat is slidably arranged on the bracket. Above the lifting seat, there is a driving shaft that can rotate reciprocally. On the driving shaft, there are a sleeve shaft and a driving gear rotatably arranged. On the sleeve shaft, there are two symmetrical driving members. On one side of each driving member away from each other, there are a central driven member and a side driven member in sequence. Above the adjacent driving member and the central driven member, there is a translation member. Between the translation member and the driving member, and between the translation member and the central driven member, there are lifting connecting rods rotatably arranged. On both side walls of the bracket, there are auxiliary members slidably arranged. Between the adjacent auxiliary members and the side driven members, there are clamping connecting rods rotatably arranged. On the top surface of the base, there are two push plates slidably arranged. Between the adjacent push plates and the auxiliary members, there are auxiliary connecting rods rotatably arranged. On the base, there is a bearing seat slidably arranged. On the bearing seat, there are two clamping plates slidably arranged. On the clamping plates, there are connecting plates slidably connected to the push plates. Below the lifting seat, there is a bottom driven shaft rotatably arranged. On the bottom driven shaft, there is a reciprocating seat. On the reciprocating seat, there are several polishing seats. Above the lifting seat, there is a top driven shaft; A flipping assembly, which includes a threaded shaft and a rotating plate. The threaded shaft is rotatably arranged below the base. On the threaded shaft, there is a threaded seat threadedly connected. On the threaded seat, there is a rotating plate rotatably arranged. Through the inclined convex seat, there is a side driven shaft rotatably arranged. On the side driven shaft, there is a flipping plate; On one side wall of one end of the sleeve shaft, there is a positive ratchet wheel. On one side wall of the driving gear, there is a reverse ratchet wheel. On the driving shaft, there are a positive pawl and a reverse pawl rotatably arranged that can rotate unidirectionally. The rotatable directions of the positive pawl and the reverse ratchet wheel are opposite; On the bottom driven shaft, there is a bottom driven gear. On the top driven shaft, there is a top driven gear; Both ends of the side driven shaft are rotatably connected to vertical plates, and the vertical plates are fixedly connected to the base. One end of the side driven shaft is connected to a side driven gear. On the vertical plates, there is a transmission gear connected through a light shaft. Between the light shaft and the top driven shaft, there is a first belt; On the transmission gear, there are a tooth area and a blank area; 2. The casting surface polishing device according to claim 1, characterized in that, Both ends of the bottom driven shaft are rotatably connected to elastic support plates, and the elastic support plates are slidably connected to the side walls of the bracket. On the side walls of the bracket below the elastic support plates, there are fixed plates. Between the adjacent fixed plates and the elastic support plates, there are several third springs; 3. The casting surface polishing device according to claim 1, wherein Between the adjacent driving members and the central driven members, there are first springs. Between the adjacent central driven members and the side driven members, there are second springs. The elastic coefficient of the first spring is greater than that of the second spring; 4. The casting surface polishing device according to claim 1, characterized in that, At the connection between the rotating plate and the threaded seat, there is a first torsion spring. Between the side driven shaft and the inclined convex seat, there is a second torsion spring; 5. The casting surface polishing device according to claim 1, characterized in that, On the reciprocating seat, there are several vertical shafts rotatably arranged. The bottom ends of the vertical shafts are all connected to the polishing seats. On the reciprocating seat, there is a rotating shaft rotatably arranged. The top end of the rotating shaft is connected to an auxiliary gear. On the bottom surface of the base, there is a rack. Between the rotating shaft and the vertical shafts, there are second belts.

6. The casting surface polishing device according to claim 1, characterized in that, One end of the driving shaft is connected to the output shaft of the main driving member, the main driving member is arranged on the lifting seat, one end of the threaded shaft is connected to the output shaft of the auxiliary driving member, and the auxiliary driving member is arranged on the base.

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