CN117681081A

CN117681081A - Spherical industrial product grinding device for industrial product design

Info

Publication number: CN117681081A
Application number: CN202410077054.1A
Authority: CN
Inventors: 王鹏文; 杨剑威; 张�杰; 李婧
Original assignee: Xijing University
Current assignee: Xijing University
Priority date: 2024-01-18
Filing date: 2024-01-18
Publication date: 2024-03-12

Abstract

The invention relates to the technical field of polishing devices, in particular to a spherical industrial product polishing device for industrial product design, which comprises a workbench, wherein fixing blocks are symmetrically and fixedly arranged at the upper end part of the workbench, driving mechanisms are fixedly arranged on the side walls of the two fixing blocks, each driving mechanism comprises a motor, a first gear is fixedly arranged between each of two first limiting rings and an output shaft of the motor, each of the two first gears is rotatably arranged with a first placing groove, each of the meshed rotating mechanisms further comprises a second limiting ring, a second gear, a thread assembly, a third ring groove, a ring and a rubber clamping plate, and the structure of the device is optimized, so that when the motor is started and the height of the polishing assembly is adjusted to be attached to the surface of a workpiece, the first gears are meshed with the second gears, and a cylinder is driven to drive the thread assembly and the rubber clamping plate to rotate, so that the workpiece rotates and the polishing assembly rubs for polishing.

Description

Spherical industrial product grinding device for industrial product design

Technical Field

The invention relates to the technical field of polishing devices, in particular to a spherical industrial product polishing device for industrial product design.

Background

The polishing is a process for cutting, grinding and polishing surface materials, aims to change the characteristics of surface roughness, shape, smoothness and the like, is widely applied to various industrial fields, such as automobile manufacturing, aerospace, electronics, dies and the like, the quality of polishing can affect the appearance and smoothness of products, production efficiency and durability of workpieces, a perfect spherical shape is difficult to realize in the process of manufacturing spherical workpieces, even if precise processing equipment and processes are used, tiny errors still exist, and due to the special shape of spheres, the errors can lead to the complexity of curved surfaces of the spherical workpieces, and polishing treatment are needed.

1. The existing device is usually used for a sphere workpiece with a specific size, can only adapt to the sphere diameter with a small change size, and if the sphere size is changed greatly, the fixation cannot be carried out, so that the applicability is insufficient and the improvement is needed.

2. The existing device is when polishing the work piece, adopts arc polishing piece or polishing piece to laminate the work piece surface and polish generally to because the spherical work piece surface wall curved surface of the industrial product of waiting to polish is complicated, the marginal portion of arc polishing piece can not carry out abundant contact with spheroid work piece surface generally, so the semi-automatic polishing that usually adopts leads to polishing efficiency lower, and has certain danger.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a spherical industrial product polishing device for industrial product design, which solves the technical problems that the applicability of the existing device needs to be improved, the safety is lower when the existing device is used for polishing a workpiece, and the polishing efficiency is lower because an arc polishing sheet or polishing sheet cannot be fully attached to the surface of the workpiece when the workpiece is polished.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme:

the utility model provides a spherical industrial product grinding device for industrial product design, includes the workstation, fixed mounting has the controller on the workstation lateral wall, the workstation is inside to be fixed mounting respectively hydro-cylinder and motor, two the motor all is located the hydro-cylinder outside, workstation upper end symmetry fixed mounting has the fixed block, two the fixed block is inside has all offered first standing groove, two have all offered first annular on the standing groove lateral wall;

the side walls of the two fixed blocks are fixedly provided with driving mechanisms;

the driving mechanism comprises a motor, first limiting rings are slidably arranged in the two first annular grooves, first gears are fixedly arranged between the two first limiting rings and an output shaft of the motor, the two first gears are rotatably arranged with a first placing groove, through grooves are formed in the two fixing blocks in a penetrating manner, the two through grooves are located above the first placing groove, and second annular grooves are symmetrically formed in the inner walls of the two through grooves;

the two through grooves are internally provided with meshing rotating mechanisms in a rotating way, and the meshing rotating mechanisms comprise cylinders;

the device comprises an oil cylinder, wherein an output shaft of the oil cylinder is provided with a close fitting mechanism, and the close fitting mechanism comprises an arc-shaped base.

Preferably: a second placing groove is formed in each through groove, and the two second placing grooves are located between the second annular grooves;

wherein, two second standing grooves are communicated with the first annular groove.

Preferably: the meshing rotating mechanism further comprises a second limiting ring, a second gear, a thread assembly, a third annular groove, a circular ring and a rubber clamping plate, and the two second limiting rings are fixedly installed with the cylinder;

the two second limiting rings are rotatably installed with the second annular grooves, and the two second gears are fixedly installed with the cylinder.

Preferably: the two second gears are positioned between the second limiting rings and are positioned in the second placing grooves;

wherein, two the second gear all with first gear meshing installation, two the screw thread assembly all is located the cylinder is inside, two the screw thread assembly all with the cylinder screw thread installation.

Preferably: the two third ring grooves are arranged on the surface of the side, far away from the motor, of the fixed block, and the two circular rings are slidably arranged with the third ring grooves;

wherein, two the ring all rotates the installation with the cylinder respectively, two rubber splint all are located on the screw assembly lateral wall, two rubber splint all with screw assembly fixed mounting.

Preferably: the surface of each rubber clamping plate is fixedly provided with a concave-convex layer, the close fitting mechanism further comprises first springs, each first spring is positioned between the circular ring and the rubber clamping plate, and each first spring is fixedly arranged with the circular ring and the rubber clamping plate;

wherein, the upper end of the workbench is symmetrically and fixedly provided with a fixing strip.

Preferably: threaded rods are fixedly arranged on output shafts of the two motors, and the two threaded rods are positioned in the fixing bars;

and sliding blocks are arranged on the circumferential surfaces of the two second limiting rings in a threaded manner.

Preferably: the two sliding blocks are both slidably mounted with the fixing strip, and a special-shaped ring is fixedly mounted between the two sliding blocks;

the special-shaped ring is slidably mounted with the output shaft of the oil cylinder.

Preferably: the upper end part of the special-shaped ring is provided with an arc-shaped base, the close fitting mechanism further comprises second springs, each second spring is positioned between the special-shaped ring and the arc-shaped base, and the special-shaped ring, the arc-shaped base and the second springs are fixedly installed;

the arc-shaped base is in threaded installation with an output shaft of the oil cylinder.

Preferably: the upper end part of the arc-shaped base is provided with a polishing assembly;

wherein, the screw is installed with the inside symmetrical screw thread of polishing assembly to arc base.

(III) beneficial effects

1. Screw drive takes place with the cylinder through rotating screw assembly to drive rubber splint and be close to or keep away from, and through opening the hydro-cylinder, can drive arc base and the whole rising of assembly of polishing, thereby can press from both sides tightly and polish the work piece of different diameter sizes, the flexibility is higher, thereby even carries out polishing to the work piece, thereby improves the device's suitability.

2. Through set up a plurality of first springs and set up the second spring on the dysmorphism ring on the ring, can make first spring and second spring produce a thrust to the circular arc limit of rubber splint and arc base respectively all the time to increase the contact surface of rubber splint and arc base to the work piece, because rubber splint and arc base are the rubber material, have certain shaping nature itself, thereby make first spring and second spring can hug closely the work piece surface, thereby additionally increase clamping force and polishing quality.

3. Through optimizing the structure of the device for when opening the motor, and adjust the height of polishing assembly and work piece surface subsides, first gear will produce the meshing with the second gear, thereby drive the cylinder and drive screw assembly and rubber splint rotation, thereby make the work piece rotate and polish the assembly and take place the friction and polish, because do not need any manual contact when polishing, thereby improve the security when the device polishes.

4. Through opening the motor for first spacing ring on the first gear, second spacing ring and ring on the cylinder rotate in first annular, second annular and third annular respectively, can make first gear, cylinder and ring provide extra support and spacing when rotating, make meshing slewing mechanism drive work piece more stable when rotating, avoid rocking.

5. Through the unsmooth layer on rubber splint surface for rubber splint when the centre gripping work piece, perhaps when placing the polishing liquid, because the material on rubber splint and unsmooth layer does not absorb any moisture, can avoid skidding, and the tiny particle on the unsmooth layer can additionally provide a plurality of point contacts, thereby increases the frictional force between rubber splint and the spheroid, provides more firm centre gripping effect.

Drawings

The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective exploded view of the present invention;

FIG. 3 is a schematic diagram of a connecting explosion of the fixed block of the present invention;

FIG. 4 is a cross-sectional view of a mounting block of the present invention;

fig. 5 is an exploded view of the threaded assembly connection of the present invention.

Fig. 6 is a cross-sectional view of a second placement groove of the present invention.

Fig. 7 is a diagram of the explosion structure of the shaped ring connection of the present invention.

Fig. 8 is a schematic diagram of an exploded view of the attachment of the sanding assembly of the present invention.

Legend description: 11. a work table; 12. a controller; 13. an oil cylinder; 14. a motor; 15. a fixed block; 16. a first placement groove; 17. a first ring groove; 18. a motor; 19. a first stop collar; 21. a first gear; 22. a through groove; 23. a second ring groove; 24. a second placement groove; 25. a cylinder; 26. a second limiting ring; 27. a second gear; 28. a thread assembly; 29. a third ring groove; 31. a circular ring; 32. a rubber clamping plate; 33. a concave-convex layer; 34. a first spring; 35. a fixing strip; 36. a threaded rod; 37. a slide block; 38. a profiled ring; 39. an arc-shaped base; 41. a second spring; 42. polishing the assembly; 43. and (5) a screw.

Detailed Description

This embodiment is through providing a spherical industrial product grinding device for industrial product design, the effective current device suitability has been solved and to wait to improve and current device is polished again when the security is lower and when polishing the work piece, curved polishing piece or polishing piece can't be to the work piece surface abundant laminating and lead to polishing the lower technical problem of efficiency, take place the screw drive through rotating screw assembly and cylinder, thereby drive the rubber splint and be close to or keep away from, and through opening the hydro-cylinder, can drive arc base and the whole rising of assembly of polishing, thereby can press from both sides tightly and polish the work piece of different diameter sizes, thereby improve the suitability of the device, and through optimizing the structure of this device, and make and open the motor, and adjust when the height of assembly of polishing and work piece surface laminating, first gear will mesh with the second gear, thereby drive cylinder drive screw assembly and rubber splint rotate, thereby make the work piece rotate and polish with polishing the assembly friction, because do not need any manual contact when polishing, thereby improve the security when this device polishes, and through setting up a plurality of special-shaped springs and setting up on the ring and the whole rising, thereby can press from both sides the top of the first spring and the second spring, make the first spring and the second spring can be with the arc base and the same material, thereby make the first spring is all can be attached to the arc base, and the first spring is with the arc base, the first spring is all can be attached to the arc base, and the first spring is contacted with the first spring, and the first spring is all can be with the arc base, and the arc base is stretched, the top is made to the arc base is all can and has the arc spring, and has the same material with the first spring, and has the quality and can and can be polished The second spacing ring and the ring on the cylinder rotate in first annular, second annular and third annular respectively, can be so that first gear, cylinder and ring provide extra support and spacing when rotating to and provide extra stability through the unsmooth layer on rubber splint surface for rubber splint when the centre gripping work piece, or when placing the polishing liquid, because the material on rubber splint and unsmooth layer does not absorb any moisture, can avoid skidding, and the tiny particle on the unsmooth layer can additionally provide a plurality of point contacts, thereby increase the frictional force between rubber splint and the spheroid, provide more firm centre gripping effect.

Examples

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, and fig. 8, the technical scheme in the embodiment of the application is to effectively solve the technical problems that the applicability of the existing device needs to be improved, the safety is lower when the existing device is used for polishing a workpiece, and when the workpiece is polished, an arc polishing sheet or polishing sheet cannot be fully attached to the surface of the workpiece, so that the polishing efficiency is lower, and the overall thought is as follows:

aiming at the problems existing in the prior art, the invention provides a spherical industrial product polishing device for industrial product design, which comprises a workbench 11, wherein a controller 12 is fixedly arranged on the side wall of the workbench 11, an oil cylinder 13 and a motor 14 are respectively and fixedly arranged in the workbench 11, the two motors 14 are positioned outside the oil cylinder 13, fixed blocks 15 are symmetrically and fixedly arranged at the upper end part of the workbench 11, first placing grooves 16 are respectively arranged in the two fixed blocks 15, and first annular grooves 17 are respectively arranged on the side walls of the two first placing grooves 16;

the side walls of the two fixed blocks 15 are fixedly provided with driving mechanisms;

the driving mechanism comprises a motor 18, first limiting rings 19 are slidably arranged in two first annular grooves 17, first gears 21 are fixedly arranged between the two first limiting rings 19 and an output shaft of the motor 18, the two first gears 21 are rotatably arranged with a first annular groove 16, through grooves 22 are formed in two fixed blocks 15 in a penetrating manner, the two through grooves 22 are positioned above the first annular groove 16, second annular grooves 23 are symmetrically formed in the inner walls of the two through grooves 22, an engagement rotating mechanism is rotatably arranged in the two through grooves 22, the engagement rotating mechanism comprises a cylinder 25, a close fitting mechanism is arranged on the output shaft of the oil cylinder 13 and comprises an arc-shaped base 39, second annular grooves 24 are formed in the two through grooves 22, the two second annular grooves 24 are positioned between the second annular grooves 23, the two second annular grooves 24 are communicated with the first annular grooves 17, the meshing rotation mechanism further comprises a second limiting ring 26, a second gear 27, a thread assembly 28, a third annular groove 29, a circular ring 31 and a rubber clamping plate 32, wherein the two second limiting rings 26 are fixedly installed with the cylinder 25, the two second limiting rings 26 are rotatably installed with the second annular groove 23, the two second gears 27 are fixedly installed with the cylinder 25, the two second gears 27 are positioned between the second limiting rings 26, the two second gears 27 are positioned in the second placing groove 24, the two second gears 27 are meshed with the first gear 21, the two thread assemblies 28 are positioned in the cylinder 25, the two thread assemblies 28 are installed with the cylinder 25 in a threaded manner, when the meshing rotation mechanism is used, firstly, a thread column in the thread assembly 28 (the thread assembly 28 consists of the thread column and an anti-reflection nut) can be rotated, at the moment, the thread assembly 28 and the cylinder 25 are in a threaded transmission manner, the two screw assemblies 28 will drive the rubber clamping plates 32 away from each other and simultaneously drive the rings 31 to rotate in the third ring grooves 29 until the distance between the rubber clamping plates 32 is slightly larger than the diameter of the workpiece, then the workpiece can be placed between the two rubber clamping plates 32, then the screw assemblies 28 can be screwed again, and at this time, the direction of screwing each screw assembly 28 is opposite to the first time, at this time, the two screw assemblies 28 will drive the rubber clamping plates 32 to get close to each other until the concave-convex layers 33 on the rubber clamping plates 32 are attached to the surface of the workpiece, then the anti-reflection nuts on the screw assemblies 28 can be screwed until the anti-reflection nuts on the two screw assemblies 28 are attached to the surface of the cylinder 25, at this time, the fixing is completed, the two third ring grooves 29 are all located on the surface of the fixed block 15 away from the side of the motor 18, the two rings 31 are all slidably mounted with the third ring grooves 29, the two circular rings 31 are respectively rotatably mounted with the cylinder 25, the two rubber clamping plates 32 are respectively positioned on the side wall of the screw assembly 28, the two rubber clamping plates 32 are respectively fixedly mounted with the screw assembly 28, the surface of the two rubber clamping plates 32 are respectively fixedly provided with a concave-convex layer 33, the close fitting mechanism further comprises a first spring 34, each first spring 34 is respectively positioned between the circular ring 31 and the rubber clamping plates 32, each first spring 34 is fixedly mounted with the circular ring 31 and the rubber clamping plates 32, the upper end part of the workbench 11 is symmetrically and fixedly provided with a fixing strip 35, the output shafts of the two motors 14 are respectively fixedly provided with a threaded rod 36, the two threaded rods 36 are respectively positioned inside the fixing strip 35, the circumferential surfaces of the two second limiting rings 26 are respectively provided with a sliding block 37 in a threaded manner, the two sliding blocks 37 are respectively slidably mounted with the fixing strip 35, a special-shaped ring 38 is fixedly mounted between the two sliding blocks 37, the special-shaped ring 38 is slidably mounted with the output shaft of the oil cylinder 13, the upper end of the special-shaped ring 38 is provided with an arc-shaped base 39, the close fitting mechanism further comprises second springs 41, each second spring 41 is located between the special-shaped ring 38 and the arc-shaped base 39, the special-shaped ring 38 and the arc-shaped base 39 are fixedly installed with the second springs 41, the arc-shaped base 39 is in threaded installation with an output shaft of the oil cylinder 13, a polishing assembly 42 is arranged at the upper end of the arc-shaped base 39, screws 43 are symmetrically arranged in the arc-shaped base 39 and the polishing assembly 42 in a threaded manner, after the surface of a workpiece is fixed, the controller 12 can be started at the moment to start the oil cylinder 13 in the workbench 11, the oil cylinder 13 can drive the arc-shaped base 39 and the polishing assembly 42 to integrally ascend until the polishing assembly 42 is fitted with the surface of the workpiece, meanwhile, the second springs 41 can be stretched, then the motor 14 can be started to rotate positively, the motor 14 can drive the threaded rod 36 to rotate, the threaded rod 36 can transmit threaded transmission with the sliding block 37 at the moment, at this point, the two sliders 37 will slide upwards in the fixing bar 35, with the profiled ring 38 being driven upwards, until it is observed that the second spring 41 is compressed to 2cm-5cm, whereupon the motor 14 can be turned off, at which point the motor 18 can be turned on, at which point the motor 18 will drive the first gear 21 to rotate inside the first groove 16, at which point the first gear 21 will drive the first stop ring 19 to rotate inside the first groove 17, and at which point the first gear 21 will engage with the second gear 27, at which point the second gear 27 will rotate inside the second groove 24, and drive the cylinder 25 to rotate inside the through groove 22, at which point the cylinder 25 will drive the second stop ring 26 to rotate inside the second groove 23, and at which point the screw assembly 28 will rotate with the cylinder 25 due to the screw-fitting of the screw-on cylinder 25, and locking by the anti-back nut, simultaneously because the screw assembly 28 rotates, the screw assembly 28 will drive the rubber clamping plate 32 to rotate, two rubber clamping plates 32 will drive the work piece together to rotate, because the rotation of the rubber clamping plate 32, the rubber clamping plate 32 will drive the ring 31 in the third annular groove 29 internal rotation, at this moment, because the work piece is in contact with the surface of the polishing assembly 42, at this moment, the polishing assembly 42 will send friction with the surface of the work piece to polish, and simultaneously because a plurality of second springs 41 push the thrust of arc edges of the arc base 39, can make the surface of the polishing assembly 42 send friction with the work piece to polish, after polishing is accomplished, through opening the motor 18, make the first gear 21 will mesh with the second gear 27, thereby drive the cylinder 25 to drive the screw assembly 28 and the rubber clamping plate 32 to rotate, thereby make the work piece rotate and polish with the polishing assembly 42 friction, because no hand contact is required during polishing, safety during polishing is improved, through opening the motor 18, and adjusting the height of the polishing assembly 42, make the first gear 21 will mesh with the second gear 27, thereby drive the cylinder 25 and drive the cylinder assembly 28 and the work piece to rotate, thereby the safety of polishing assembly is improved during polishing.

Working principle:

in the first step, when in use, the threaded column in the threaded assembly 28 (the threaded assembly 28 is composed of the threaded column and the anti-reflection nut) can be firstly rotated, and the two threaded assemblies 28 are rotated in opposite directions, at the moment, the threaded assembly 28 and the cylinder 25 are in threaded transmission, the two threaded assemblies 28 can drive the rubber clamping plates 32 to be separated from each other, and simultaneously drive the circular ring 31 to rotate in the third annular groove 29 until the distance between the rubber clamping plates 32 is adjusted to be slightly larger than the diameter of a workpiece, then the workpiece can be placed between the two rubber clamping plates 32, then the threaded assemblies 28 can be rotated again, at the moment, the direction of rotating each threaded assembly 28 is opposite to that of the first time, at the moment, the two threaded assemblies 28 can drive the rubber clamping plates 32 to be close to each other until the concave-convex layer 33 on the rubber clamping plates 32 is attached to the surface of the workpiece, then the anti-reflection nut on the threaded assembly 28 can be rotated, until the anti-reflection nuts on the two screw assemblies 28 are attached to the surface of the cylinder 25, fixing is completed, then, as the first spring 34 always generates a pushing force to the rubber clamping plate 32, the rubber clamping plate 32 drives the surface of the concave-convex layer 33 (both the rubber clamping plate 32 and the concave-convex layer 33 are arc-shaped and made of rubber) to be tightly attached to the surface of the workpiece, after the surface of the workpiece is fixed, the controller 12 can be started to start the oil cylinder 13 inside the workbench 11, the oil cylinder 13 drives the arc-shaped base 39 and the polishing assembly 42 to be integrally lifted until the polishing assembly 42 is attached to the surface of the workpiece, and meanwhile, the second spring 41 is stretched, then the motor 14 can be started to rotate positively, the motor 14 can drive the threaded rod 36 to rotate, the threaded rod 36 can transmit screw transmission with the sliding blocks 37, at the moment, the two sliding blocks 37 can slide upwards in the fixing strip 35, at the same time, the profiled ring 38 is brought up until the second spring 41 is observed to be compressed to 2cm-5cm, after which the motor 14 can be turned off.

The second step is to turn on the motor 18, the motor 18 will drive the first gear 21 to rotate in the first slot 16, the first gear 21 will drive the first stop collar 19 to rotate in the first ring slot 17, the first gear 21 will mesh with the second gear 27, the second gear 27 will rotate in the second slot 24, the cylinder 25 will rotate in the through slot 22, the cylinder 25 will drive the second stop collar 26 to rotate in the second ring slot 23, and since the screw assembly 28 is screw-mounted in the cylinder 25 and locked by the anti-back nut, the screw assembly 28 will rotate with the cylinder 25, and since the screw assembly 28 rotates, the screw assembly 28 will drive the rubber clamping plates 32 to rotate, the two rubber clamping plates 32 will drive the workpiece to rotate, and since the rubber clamping plates 32 rotate, the rubber clamping plates 32 will drive the ring 31 to rotate in the third ring slot 29.

Third, at this time, because the workpiece is attached to the surface of the polishing assembly 42, the polishing assembly 42 will send friction to polish the surface of the workpiece, and at the same time, because of the pushing forces of the plurality of second springs 41 to the arc edges of the arc-shaped base 39, the surface of the polishing assembly 42 can be sufficiently rubbed against the surface of the workpiece, after polishing is completed, the screw assembly 28 can be rotated at this time, so that the two rubber clamping plates 32 are not in contact with the workpiece, and then the two sides of the workpiece to be clamped can be clamped, and then the workpiece can be polished, and after polishing is completed, the workpiece can be taken out.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims

1. The utility model provides a spherical industrial product grinding device for industrial product design, includes workstation (11), fixed mounting has controller (12) on workstation (11) lateral wall, the inside hydro-cylinder (13) and motor (14) that are respectively fixed mounting of workstation (11), two motor (14) all are located the hydro-cylinder (13) outside, the symmetry fixed mounting of workstation (11) upper end has fixed block (15), its characterized in that, two first standing groove (16) have all been seted up to fixed block (15) inside, two first annular (17) have all been seted up on the lateral wall of first standing groove (16);

the side walls of the two fixed blocks (15) are fixedly provided with driving mechanisms;

the driving mechanism comprises a motor (18), wherein first limiting rings (19) are slidably arranged in the two first annular grooves (17), first gears (21) are fixedly arranged between the two first limiting rings (19) and an output shaft of the motor (18), the two first gears (21) are rotatably arranged with first placing grooves (16), through grooves (22) are formed in the two fixing blocks (15) in a penetrating mode, the two through grooves (22) are located above the first placing grooves (16), and second annular grooves (23) are symmetrically formed in the inner walls of the two through grooves (22);

wherein, the inside of the two through grooves (22) is rotatably provided with a meshing rotating mechanism which comprises a cylinder (25);

the device is characterized in that a close fitting mechanism is arranged on an output shaft of the oil cylinder (13) and comprises an arc-shaped base (39).

2. A spherical industrial product polishing device for industrial product design according to claim 1, characterized in that the two through grooves (22) are provided with second placing grooves (24) inside, and the two second placing grooves (24) are positioned between the second ring grooves (23);

wherein, two second standing grooves (24) are communicated with the first annular groove (17).

3. A spherical industrial product polishing device for industrial product design according to claim 2, wherein the meshing rotation mechanism further comprises a second limiting ring (26), a second gear (27), a screw assembly (28), a third ring groove (29), a circular ring (31) and a rubber clamping plate (32), and both the second limiting rings (26) are fixedly installed with the cylinder (25);

wherein, two second spacing ring (26) all rotate with second annular (23) and install, two second gear (27) all with cylinder (25) fixed mounting.

4. A spherical industrial product grinding device for industrial product design according to claim 3, characterized in that both said second gears (27) are located between the second stop collars (26), both said second gears (27) being located inside the second placement groove (24);

wherein, two second gear (27) all with first gear (21) meshing installation, two screw thread assembly (28) all are located cylinder (25) inside, two screw thread assembly (28) all with cylinder (25) screw thread installation.

5. A spherical industrial product polishing device for industrial product design according to claim 4, wherein both of the third ring grooves (29) are located on the surface of the side of the fixed block (15) away from the motor (18), and both of the circular rings (31) are slidably installed with the third ring grooves (29);

wherein, two ring (31) all rotate with cylinder (25) respectively and install, two rubber splint (32) all are located on screw assembly (28) lateral wall, two rubber splint (32) all with screw assembly (28) fixed mounting.

6. A spherical industrial product polishing device for industrial product design according to claim 5, wherein the surface of each of the two rubber clamping plates (32) is fixedly provided with a concave-convex layer (33), the close fitting mechanism further comprises first springs (34), each of the first springs (34) is positioned between the circular ring (31) and the rubber clamping plate (32), and each of the first springs (34) is fixedly provided with the circular ring (31) and the rubber clamping plate (32);

wherein, fixed strips (35) are symmetrically and fixedly arranged at the upper end part of the workbench (11).

7. A spherical industrial product polishing device for industrial product design according to claim 6, characterized in that the output shafts of both motors (14) are fixedly provided with threaded rods (36), and both threaded rods (36) are positioned inside the fixed bars (35);

the sliding blocks (37) are arranged on the circumferential surfaces of the two second limiting rings (26) in a threaded mode.

8. A spherical industrial product grinding device for industrial product design according to claim 7, characterized in that both of the sliding blocks (37) are slidably mounted with the fixing strip (35), and a profiled ring (38) is fixedly mounted between both sliding blocks (37);

wherein, special-shaped ring (38) and the output shaft sliding installation of hydro-cylinder (13).

9. A spherical industrial product polishing device for industrial product design according to claim 8, characterized in that the upper end of the profiled ring (38) is provided with an arc-shaped base (39), the close fitting mechanism further comprises second springs (41), each second spring (41) is located between the profiled ring (38) and the arc-shaped base (39), and the profiled ring (38) and the arc-shaped base (39) are fixedly mounted with the second springs (41);

wherein, arc base (39) and the output shaft screw thread installation of hydro-cylinder (13).

10. A spherical industrial product grinding device for industrial product design according to claim 9, characterized in that the upper end of the arc-shaped base (39) is provided with a grinding assembly (42);

wherein, screw (43) is installed to arc base (39) and the inside symmetry screw thread of polishing assembly (42).